mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-11-23 12:31:07 +01:00
651 lines
34 KiB
Go
651 lines
34 KiB
Go
package vmstorage
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import (
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"errors"
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"flag"
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"fmt"
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"io"
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"net/http"
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"strings"
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"sync"
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"time"
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"github.com/VictoriaMetrics/metrics"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/encoding"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/fasttime"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/mergeset"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/querytracer"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/storage"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/stringsutil"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/syncwg"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/timeutil"
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)
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var (
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retentionPeriod = flagutil.NewRetentionDuration("retentionPeriod", "1", "Data with timestamps outside the retentionPeriod is automatically deleted. The minimum retentionPeriod is 24h or 1d. See also -retentionFilter")
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snapshotAuthKey = flagutil.NewPassword("snapshotAuthKey", "authKey, which must be passed in query string to /snapshot* pages. It overrides -httpAuth.*")
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forceMergeAuthKey = flagutil.NewPassword("forceMergeAuthKey", "authKey, which must be passed in query string to /internal/force_merge pages. It overrides -httpAuth.*")
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forceFlushAuthKey = flagutil.NewPassword("forceFlushAuthKey", "authKey, which must be passed in query string to /internal/force_flush pages. It overrides -httpAuth.*")
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snapshotsMaxAge = flagutil.NewRetentionDuration("snapshotsMaxAge", "0", "Automatically delete snapshots older than -snapshotsMaxAge if it is set to non-zero duration. Make sure that backup process has enough time to finish the backup before the corresponding snapshot is automatically deleted")
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_ = flag.Duration("snapshotCreateTimeout", 0, "Deprecated: this flag does nothing")
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precisionBits = flag.Int("precisionBits", 64, "The number of precision bits to store per each value. Lower precision bits improves data compression at the cost of precision loss")
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// DataPath is a path to storage data.
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DataPath = flag.String("storageDataPath", "victoria-metrics-data", "Path to storage data")
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_ = flag.Duration("finalMergeDelay", 0, "Deprecated: this flag does nothing")
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_ = flag.Int("bigMergeConcurrency", 0, "Deprecated: this flag does nothing")
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_ = flag.Int("smallMergeConcurrency", 0, "Deprecated: this flag does nothing")
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retentionTimezoneOffset = flag.Duration("retentionTimezoneOffset", 0, "The offset for performing indexdb rotation. "+
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"If set to 0, then the indexdb rotation is performed at 4am UTC time per each -retentionPeriod. "+
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"If set to 2h, then the indexdb rotation is performed at 4am EET time (the timezone with +2h offset)")
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logNewSeries = flag.Bool("logNewSeries", false, "Whether to log new series. This option is for debug purposes only. It can lead to performance issues "+
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"when big number of new series are ingested into VictoriaMetrics")
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denyQueriesOutsideRetention = flag.Bool("denyQueriesOutsideRetention", false, "Whether to deny queries outside the configured -retentionPeriod. "+
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"When set, then /api/v1/query_range would return '503 Service Unavailable' error for queries with 'from' value outside -retentionPeriod. "+
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"This may be useful when multiple data sources with distinct retentions are hidden behind query-tee")
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maxHourlySeries = flag.Int("storage.maxHourlySeries", 0, "The maximum number of unique series can be added to the storage during the last hour. "+
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"Excess series are logged and dropped. This can be useful for limiting series cardinality. See https://docs.victoriametrics.com/#cardinality-limiter . "+
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"See also -storage.maxDailySeries")
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maxDailySeries = flag.Int("storage.maxDailySeries", 0, "The maximum number of unique series can be added to the storage during the last 24 hours. "+
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"Excess series are logged and dropped. This can be useful for limiting series churn rate. See https://docs.victoriametrics.com/#cardinality-limiter . "+
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"See also -storage.maxHourlySeries")
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minFreeDiskSpaceBytes = flagutil.NewBytes("storage.minFreeDiskSpaceBytes", 10e6, "The minimum free disk space at -storageDataPath after which the storage stops accepting new data")
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cacheSizeStorageTSID = flagutil.NewBytes("storage.cacheSizeStorageTSID", 0, "Overrides max size for storage/tsid cache. "+
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"See https://docs.victoriametrics.com/single-server-victoriametrics/#cache-tuning")
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cacheSizeIndexDBIndexBlocks = flagutil.NewBytes("storage.cacheSizeIndexDBIndexBlocks", 0, "Overrides max size for indexdb/indexBlocks cache. "+
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"See https://docs.victoriametrics.com/single-server-victoriametrics/#cache-tuning")
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cacheSizeIndexDBDataBlocks = flagutil.NewBytes("storage.cacheSizeIndexDBDataBlocks", 0, "Overrides max size for indexdb/dataBlocks cache. "+
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"See https://docs.victoriametrics.com/single-server-victoriametrics/#cache-tuning")
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cacheSizeIndexDBTagFilters = flagutil.NewBytes("storage.cacheSizeIndexDBTagFilters", 0, "Overrides max size for indexdb/tagFiltersToMetricIDs cache. "+
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"See https://docs.victoriametrics.com/single-server-victoriametrics/#cache-tuning")
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)
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// CheckTimeRange returns true if the given tr is denied for querying.
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func CheckTimeRange(tr storage.TimeRange) error {
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if !*denyQueriesOutsideRetention {
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return nil
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}
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minAllowedTimestamp := int64(fasttime.UnixTimestamp()*1000) - retentionPeriod.Milliseconds()
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if tr.MinTimestamp > minAllowedTimestamp {
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return nil
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}
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return &httpserver.ErrorWithStatusCode{
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Err: fmt.Errorf("the given time range %s is outside the allowed -retentionPeriod=%s according to -denyQueriesOutsideRetention", &tr, retentionPeriod),
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StatusCode: http.StatusServiceUnavailable,
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}
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}
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// Init initializes vmstorage.
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func Init(resetCacheIfNeeded func(mrs []storage.MetricRow)) {
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if err := encoding.CheckPrecisionBits(uint8(*precisionBits)); err != nil {
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logger.Fatalf("invalid `-precisionBits`: %s", err)
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}
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resetResponseCacheIfNeeded = resetCacheIfNeeded
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storage.SetLogNewSeries(*logNewSeries)
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storage.SetRetentionTimezoneOffset(*retentionTimezoneOffset)
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storage.SetFreeDiskSpaceLimit(minFreeDiskSpaceBytes.N)
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storage.SetTSIDCacheSize(cacheSizeStorageTSID.IntN())
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storage.SetTagFiltersCacheSize(cacheSizeIndexDBTagFilters.IntN())
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mergeset.SetIndexBlocksCacheSize(cacheSizeIndexDBIndexBlocks.IntN())
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mergeset.SetDataBlocksCacheSize(cacheSizeIndexDBDataBlocks.IntN())
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if retentionPeriod.Duration() < 24*time.Hour {
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logger.Fatalf("-retentionPeriod cannot be smaller than a day; got %s", retentionPeriod)
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}
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logger.Infof("opening storage at %q with -retentionPeriod=%s", *DataPath, retentionPeriod)
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startTime := time.Now()
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WG = syncwg.WaitGroup{}
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strg := storage.MustOpenStorage(*DataPath, retentionPeriod.Duration(), *maxHourlySeries, *maxDailySeries)
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Storage = strg
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initStaleSnapshotsRemover(strg)
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var m storage.Metrics
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strg.UpdateMetrics(&m)
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tm := &m.TableMetrics
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partsCount := tm.SmallPartsCount + tm.BigPartsCount
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blocksCount := tm.SmallBlocksCount + tm.BigBlocksCount
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rowsCount := tm.SmallRowsCount + tm.BigRowsCount
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sizeBytes := tm.SmallSizeBytes + tm.BigSizeBytes
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logger.Infof("successfully opened storage %q in %.3f seconds; partsCount: %d; blocksCount: %d; rowsCount: %d; sizeBytes: %d",
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*DataPath, time.Since(startTime).Seconds(), partsCount, blocksCount, rowsCount, sizeBytes)
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// register storage metrics
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storageMetrics = metrics.NewSet()
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storageMetrics.RegisterMetricsWriter(func(w io.Writer) {
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writeStorageMetrics(w, strg)
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})
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metrics.RegisterSet(storageMetrics)
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}
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var storageMetrics *metrics.Set
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// Storage is a storage.
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//
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// Every storage call must be wrapped into WG.Add(1) ... WG.Done()
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// for proper graceful shutdown when Stop is called.
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var Storage *storage.Storage
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// WG must be incremented before Storage call.
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//
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// Use syncwg instead of sync, since Add is called from concurrent goroutines.
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var WG syncwg.WaitGroup
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// resetResponseCacheIfNeeded is a callback for automatic resetting of response cache if needed.
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var resetResponseCacheIfNeeded func(mrs []storage.MetricRow)
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// AddRows adds mrs to the storage.
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//
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// The caller should limit the number of concurrent calls to AddRows() in order to limit memory usage.
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func AddRows(mrs []storage.MetricRow) error {
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if Storage.IsReadOnly() {
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return errReadOnly
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}
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resetResponseCacheIfNeeded(mrs)
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WG.Add(1)
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Storage.AddRows(mrs, uint8(*precisionBits))
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WG.Done()
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return nil
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}
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var errReadOnly = errors.New("the storage is in read-only mode; check -storage.minFreeDiskSpaceBytes command-line flag value")
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// RegisterMetricNames registers all the metrics from mrs in the storage.
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func RegisterMetricNames(qt *querytracer.Tracer, mrs []storage.MetricRow) {
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WG.Add(1)
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Storage.RegisterMetricNames(qt, mrs)
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WG.Done()
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}
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// DeleteSeries deletes series matching tfss.
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//
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// Returns the number of deleted series.
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func DeleteSeries(qt *querytracer.Tracer, tfss []*storage.TagFilters, maxMetrics int) (int, error) {
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WG.Add(1)
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n, err := Storage.DeleteSeries(qt, tfss, maxMetrics)
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WG.Done()
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return n, err
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}
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// SearchMetricNames returns metric names for the given tfss on the given tr.
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func SearchMetricNames(qt *querytracer.Tracer, tfss []*storage.TagFilters, tr storage.TimeRange, maxMetrics int, deadline uint64) ([]string, error) {
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WG.Add(1)
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metricNames, err := Storage.SearchMetricNames(qt, tfss, tr, maxMetrics, deadline)
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WG.Done()
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return metricNames, err
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}
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// SearchLabelNamesWithFiltersOnTimeRange searches for tag keys matching the given tfss on tr.
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func SearchLabelNamesWithFiltersOnTimeRange(qt *querytracer.Tracer, tfss []*storage.TagFilters, tr storage.TimeRange, maxTagKeys, maxMetrics int, deadline uint64) ([]string, error) {
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WG.Add(1)
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labelNames, err := Storage.SearchLabelNamesWithFiltersOnTimeRange(qt, tfss, tr, maxTagKeys, maxMetrics, deadline)
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WG.Done()
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return labelNames, err
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}
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// SearchLabelValuesWithFiltersOnTimeRange searches for label values for the given labelName, tfss and tr.
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func SearchLabelValuesWithFiltersOnTimeRange(qt *querytracer.Tracer, labelName string, tfss []*storage.TagFilters,
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tr storage.TimeRange, maxLabelValues, maxMetrics int, deadline uint64,
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) ([]string, error) {
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WG.Add(1)
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labelValues, err := Storage.SearchLabelValuesWithFiltersOnTimeRange(qt, labelName, tfss, tr, maxLabelValues, maxMetrics, deadline)
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WG.Done()
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return labelValues, err
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}
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// SearchTagValueSuffixes returns all the tag value suffixes for the given tagKey and tagValuePrefix on the given tr.
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//
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// This allows implementing https://graphite-api.readthedocs.io/en/latest/api.html#metrics-find or similar APIs.
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func SearchTagValueSuffixes(qt *querytracer.Tracer, tr storage.TimeRange, tagKey, tagValuePrefix string, delimiter byte, maxTagValueSuffixes int, deadline uint64) ([]string, error) {
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WG.Add(1)
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suffixes, err := Storage.SearchTagValueSuffixes(qt, tr, tagKey, tagValuePrefix, delimiter, maxTagValueSuffixes, deadline)
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WG.Done()
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return suffixes, err
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}
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// SearchGraphitePaths returns all the metric names matching the given Graphite query.
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func SearchGraphitePaths(qt *querytracer.Tracer, tr storage.TimeRange, query []byte, maxPaths int, deadline uint64) ([]string, error) {
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WG.Add(1)
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paths, err := Storage.SearchGraphitePaths(qt, tr, query, maxPaths, deadline)
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WG.Done()
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return paths, err
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}
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// GetTSDBStatus returns TSDB status for given filters on the given date.
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func GetTSDBStatus(qt *querytracer.Tracer, tfss []*storage.TagFilters, date uint64, focusLabel string, topN, maxMetrics int, deadline uint64) (*storage.TSDBStatus, error) {
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WG.Add(1)
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status, err := Storage.GetTSDBStatus(qt, tfss, date, focusLabel, topN, maxMetrics, deadline)
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WG.Done()
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return status, err
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}
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// GetSeriesCount returns the number of time series in the storage.
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func GetSeriesCount(deadline uint64) (uint64, error) {
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WG.Add(1)
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n, err := Storage.GetSeriesCount(deadline)
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WG.Done()
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return n, err
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}
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// Stop stops the vmstorage
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func Stop() {
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// deregister storage metrics
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metrics.UnregisterSet(storageMetrics, true)
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storageMetrics = nil
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logger.Infof("gracefully closing the storage at %s", *DataPath)
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startTime := time.Now()
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WG.WaitAndBlock()
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stopStaleSnapshotsRemover()
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Storage.MustClose()
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logger.Infof("successfully closed the storage in %.3f seconds", time.Since(startTime).Seconds())
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logger.Infof("the storage has been stopped")
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}
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// RequestHandler is a storage request handler.
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func RequestHandler(w http.ResponseWriter, r *http.Request) bool {
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path := r.URL.Path
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if path == "/internal/force_merge" {
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if !httpserver.CheckAuthFlag(w, r, forceMergeAuthKey) {
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return true
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}
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// Run force merge in background
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partitionNamePrefix := r.FormValue("partition_prefix")
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go func() {
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activeForceMerges.Inc()
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defer activeForceMerges.Dec()
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logger.Infof("forced merge for partition_prefix=%q has been started", partitionNamePrefix)
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startTime := time.Now()
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if err := Storage.ForceMergePartitions(partitionNamePrefix); err != nil {
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logger.Errorf("error in forced merge for partition_prefix=%q: %s", partitionNamePrefix, err)
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}
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logger.Infof("forced merge for partition_prefix=%q has been successfully finished in %.3f seconds", partitionNamePrefix, time.Since(startTime).Seconds())
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}()
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return true
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}
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if path == "/internal/force_flush" {
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if !httpserver.CheckAuthFlag(w, r, forceFlushAuthKey) {
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return true
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}
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logger.Infof("flushing storage to make pending data available for reading")
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Storage.DebugFlush()
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return true
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}
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prometheusCompatibleResponse := false
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if path == "/api/v1/admin/tsdb/snapshot" {
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// Handle Prometheus API - https://prometheus.io/docs/prometheus/latest/querying/api/#snapshot .
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prometheusCompatibleResponse = true
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path = "/snapshot/create"
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}
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if !strings.HasPrefix(path, "/snapshot/") {
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return false
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}
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if !httpserver.CheckAuthFlag(w, r, snapshotAuthKey) {
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return true
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}
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path = path[len("/snapshot"):]
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switch path {
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case "/create":
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snapshotsCreateTotal.Inc()
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w.Header().Set("Content-Type", "application/json")
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snapshotPath, err := Storage.CreateSnapshot()
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if err != nil {
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err = fmt.Errorf("cannot create snapshot: %w", err)
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jsonResponseError(w, err)
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snapshotsCreateErrorsTotal.Inc()
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return true
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}
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if prometheusCompatibleResponse {
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fmt.Fprintf(w, `{"status":"success","data":{"name":%s}}`, stringsutil.JSONString(snapshotPath))
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} else {
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fmt.Fprintf(w, `{"status":"ok","snapshot":%s}`, stringsutil.JSONString(snapshotPath))
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}
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return true
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case "/list":
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snapshotsListTotal.Inc()
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w.Header().Set("Content-Type", "application/json")
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snapshots, err := Storage.ListSnapshots()
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if err != nil {
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err = fmt.Errorf("cannot list snapshots: %w", err)
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jsonResponseError(w, err)
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snapshotsListErrorsTotal.Inc()
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return true
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}
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fmt.Fprintf(w, `{"status":"ok","snapshots":[`)
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if len(snapshots) > 0 {
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for _, snapshot := range snapshots[:len(snapshots)-1] {
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fmt.Fprintf(w, "\n%q,", snapshot)
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}
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fmt.Fprintf(w, "\n%q\n", snapshots[len(snapshots)-1])
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}
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fmt.Fprintf(w, `]}`)
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return true
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case "/delete":
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snapshotsDeleteTotal.Inc()
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w.Header().Set("Content-Type", "application/json")
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snapshotName := r.FormValue("snapshot")
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snapshots, err := Storage.ListSnapshots()
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if err != nil {
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err = fmt.Errorf("cannot list snapshots: %w", err)
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jsonResponseError(w, err)
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snapshotsDeleteErrorsTotal.Inc()
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return true
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}
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for _, snName := range snapshots {
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if snName == snapshotName {
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if err := Storage.DeleteSnapshot(snName); err != nil {
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err = fmt.Errorf("cannot delete snapshot %q: %w", snName, err)
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jsonResponseError(w, err)
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snapshotsDeleteErrorsTotal.Inc()
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return true
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}
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fmt.Fprintf(w, `{"status":"ok"}`)
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return true
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}
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}
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err = fmt.Errorf("cannot find snapshot %q", snapshotName)
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jsonResponseError(w, err)
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return true
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case "/delete_all":
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snapshotsDeleteAllTotal.Inc()
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w.Header().Set("Content-Type", "application/json")
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snapshots, err := Storage.ListSnapshots()
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if err != nil {
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err = fmt.Errorf("cannot list snapshots: %w", err)
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jsonResponseError(w, err)
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snapshotsDeleteAllErrorsTotal.Inc()
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return true
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}
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for _, snapshotName := range snapshots {
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if err := Storage.DeleteSnapshot(snapshotName); err != nil {
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err = fmt.Errorf("cannot delete snapshot %q: %w", snapshotName, err)
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jsonResponseError(w, err)
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snapshotsDeleteAllErrorsTotal.Inc()
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return true
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}
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}
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fmt.Fprintf(w, `{"status":"ok"}`)
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return true
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default:
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return false
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}
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}
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func initStaleSnapshotsRemover(strg *storage.Storage) {
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staleSnapshotsRemoverCh = make(chan struct{})
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if snapshotsMaxAge.Duration() <= 0 {
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return
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}
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snapshotsMaxAgeDur := snapshotsMaxAge.Duration()
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staleSnapshotsRemoverWG.Add(1)
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go func() {
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defer staleSnapshotsRemoverWG.Done()
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d := timeutil.AddJitterToDuration(time.Second * 11)
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t := time.NewTicker(d)
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defer t.Stop()
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for {
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select {
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case <-staleSnapshotsRemoverCh:
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return
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case <-t.C:
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}
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if err := strg.DeleteStaleSnapshots(snapshotsMaxAgeDur); err != nil {
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// Use logger.Errorf instead of logger.Fatalf in the hope the error is temporary.
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logger.Errorf("cannot delete stale snapshots: %s", err)
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}
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}
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}()
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}
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func stopStaleSnapshotsRemover() {
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close(staleSnapshotsRemoverCh)
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staleSnapshotsRemoverWG.Wait()
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}
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var (
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staleSnapshotsRemoverCh chan struct{}
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staleSnapshotsRemoverWG sync.WaitGroup
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)
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var (
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activeForceMerges = metrics.NewCounter("vm_active_force_merges")
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|
snapshotsCreateTotal = metrics.NewCounter(`vm_http_requests_total{path="/snapshot/create"}`)
|
|
snapshotsCreateErrorsTotal = metrics.NewCounter(`vm_http_request_errors_total{path="/snapshot/create"}`)
|
|
|
|
snapshotsListTotal = metrics.NewCounter(`vm_http_requests_total{path="/snapshot/list"}`)
|
|
snapshotsListErrorsTotal = metrics.NewCounter(`vm_http_request_errors_total{path="/snapshot/list"}`)
|
|
|
|
snapshotsDeleteTotal = metrics.NewCounter(`vm_http_requests_total{path="/snapshot/delete"}`)
|
|
snapshotsDeleteErrorsTotal = metrics.NewCounter(`vm_http_request_errors_total{path="/snapshot/delete"}`)
|
|
|
|
snapshotsDeleteAllTotal = metrics.NewCounter(`vm_http_requests_total{path="/snapshot/delete_all"}`)
|
|
snapshotsDeleteAllErrorsTotal = metrics.NewCounter(`vm_http_request_errors_total{path="/snapshot/delete_all"}`)
|
|
)
|
|
|
|
func writeStorageMetrics(w io.Writer, strg *storage.Storage) {
|
|
var m storage.Metrics
|
|
strg.UpdateMetrics(&m)
|
|
tm := &m.TableMetrics
|
|
idbm := &m.IndexDBMetrics
|
|
|
|
metrics.WriteGaugeUint64(w, fmt.Sprintf(`vm_free_disk_space_bytes{path=%q}`, *DataPath), fs.MustGetFreeSpace(*DataPath))
|
|
metrics.WriteGaugeUint64(w, fmt.Sprintf(`vm_free_disk_space_limit_bytes{path=%q}`, *DataPath), uint64(minFreeDiskSpaceBytes.N))
|
|
|
|
isReadOnly := 0
|
|
if strg.IsReadOnly() {
|
|
isReadOnly = 1
|
|
}
|
|
metrics.WriteGaugeUint64(w, fmt.Sprintf(`vm_storage_is_read_only{path=%q}`, *DataPath), uint64(isReadOnly))
|
|
|
|
metrics.WriteGaugeUint64(w, `vm_active_merges{type="storage/inmemory"}`, tm.ActiveInmemoryMerges)
|
|
metrics.WriteGaugeUint64(w, `vm_active_merges{type="storage/small"}`, tm.ActiveSmallMerges)
|
|
metrics.WriteGaugeUint64(w, `vm_active_merges{type="storage/big"}`, tm.ActiveBigMerges)
|
|
metrics.WriteGaugeUint64(w, `vm_active_merges{type="indexdb/inmemory"}`, idbm.ActiveInmemoryMerges)
|
|
metrics.WriteGaugeUint64(w, `vm_active_merges{type="indexdb/file"}`, idbm.ActiveFileMerges)
|
|
|
|
metrics.WriteCounterUint64(w, `vm_merges_total{type="storage/inmemory"}`, tm.InmemoryMergesCount)
|
|
metrics.WriteCounterUint64(w, `vm_merges_total{type="storage/small"}`, tm.SmallMergesCount)
|
|
metrics.WriteCounterUint64(w, `vm_merges_total{type="storage/big"}`, tm.BigMergesCount)
|
|
metrics.WriteCounterUint64(w, `vm_merges_total{type="indexdb/inmemory"}`, idbm.InmemoryMergesCount)
|
|
metrics.WriteCounterUint64(w, `vm_merges_total{type="indexdb/file"}`, idbm.FileMergesCount)
|
|
|
|
metrics.WriteCounterUint64(w, `vm_rows_merged_total{type="storage/inmemory"}`, tm.InmemoryRowsMerged)
|
|
metrics.WriteCounterUint64(w, `vm_rows_merged_total{type="storage/small"}`, tm.SmallRowsMerged)
|
|
metrics.WriteCounterUint64(w, `vm_rows_merged_total{type="storage/big"}`, tm.BigRowsMerged)
|
|
metrics.WriteCounterUint64(w, `vm_rows_merged_total{type="indexdb/inmemory"}`, idbm.InmemoryItemsMerged)
|
|
metrics.WriteCounterUint64(w, `vm_rows_merged_total{type="indexdb/file"}`, idbm.FileItemsMerged)
|
|
|
|
metrics.WriteCounterUint64(w, `vm_rows_deleted_total{type="storage/inmemory"}`, tm.InmemoryRowsDeleted)
|
|
metrics.WriteCounterUint64(w, `vm_rows_deleted_total{type="storage/small"}`, tm.SmallRowsDeleted)
|
|
metrics.WriteCounterUint64(w, `vm_rows_deleted_total{type="storage/big"}`, tm.BigRowsDeleted)
|
|
|
|
metrics.WriteGaugeUint64(w, `vm_part_references{type="storage/inmemory"}`, tm.InmemoryPartsRefCount)
|
|
metrics.WriteGaugeUint64(w, `vm_part_references{type="storage/small"}`, tm.SmallPartsRefCount)
|
|
metrics.WriteGaugeUint64(w, `vm_part_references{type="storage/big"}`, tm.BigPartsRefCount)
|
|
metrics.WriteGaugeUint64(w, `vm_partition_references{type="storage"}`, tm.PartitionsRefCount)
|
|
metrics.WriteGaugeUint64(w, `vm_object_references{type="indexdb"}`, idbm.IndexDBRefCount)
|
|
metrics.WriteGaugeUint64(w, `vm_part_references{type="indexdb"}`, idbm.PartsRefCount)
|
|
|
|
metrics.WriteCounterUint64(w, `vm_missing_tsids_for_metric_id_total`, idbm.MissingTSIDsForMetricID)
|
|
metrics.WriteCounterUint64(w, `vm_index_blocks_with_metric_ids_processed_total`, idbm.IndexBlocksWithMetricIDsProcessed)
|
|
metrics.WriteCounterUint64(w, `vm_index_blocks_with_metric_ids_incorrect_order_total`, idbm.IndexBlocksWithMetricIDsIncorrectOrder)
|
|
metrics.WriteGaugeUint64(w, `vm_composite_index_min_timestamp`, idbm.MinTimestampForCompositeIndex/1e3)
|
|
metrics.WriteCounterUint64(w, `vm_composite_filter_success_conversions_total`, idbm.CompositeFilterSuccessConversions)
|
|
metrics.WriteCounterUint64(w, `vm_composite_filter_missing_conversions_total`, idbm.CompositeFilterMissingConversions)
|
|
|
|
// vm_assisted_merges_total name is used for backwards compatibility.
|
|
metrics.WriteCounterUint64(w, `vm_assisted_merges_total{type="indexdb/inmemory"}`, idbm.InmemoryPartsLimitReachedCount)
|
|
|
|
metrics.WriteCounterUint64(w, `vm_indexdb_items_added_total`, idbm.ItemsAdded)
|
|
metrics.WriteCounterUint64(w, `vm_indexdb_items_added_size_bytes_total`, idbm.ItemsAddedSizeBytes)
|
|
metrics.WriteCounterUint64(w, `vm_indexdb_items_dropped_total{reason="too_long_item"}`, idbm.TooLongItemsDroppedTotal)
|
|
|
|
metrics.WriteGaugeUint64(w, `vm_pending_rows{type="storage"}`, tm.PendingRows)
|
|
metrics.WriteGaugeUint64(w, `vm_pending_rows{type="indexdb"}`, idbm.PendingItems)
|
|
|
|
metrics.WriteGaugeUint64(w, `vm_parts{type="storage/inmemory"}`, tm.InmemoryPartsCount)
|
|
metrics.WriteGaugeUint64(w, `vm_parts{type="storage/small"}`, tm.SmallPartsCount)
|
|
metrics.WriteGaugeUint64(w, `vm_parts{type="storage/big"}`, tm.BigPartsCount)
|
|
metrics.WriteGaugeUint64(w, `vm_parts{type="indexdb/inmemory"}`, idbm.InmemoryPartsCount)
|
|
metrics.WriteGaugeUint64(w, `vm_parts{type="indexdb/file"}`, idbm.FilePartsCount)
|
|
|
|
metrics.WriteGaugeUint64(w, `vm_last_partition_parts{type="storage/inmemory"}`, tm.LastPartition.InmemoryPartsCount)
|
|
metrics.WriteGaugeUint64(w, `vm_last_partition_parts{type="storage/small"}`, tm.LastPartition.SmallPartsCount)
|
|
metrics.WriteGaugeUint64(w, `vm_last_partition_parts{type="storage/big"}`, tm.LastPartition.BigPartsCount)
|
|
|
|
metrics.WriteGaugeUint64(w, `vm_blocks{type="storage/inmemory"}`, tm.InmemoryBlocksCount)
|
|
metrics.WriteGaugeUint64(w, `vm_blocks{type="storage/small"}`, tm.SmallBlocksCount)
|
|
metrics.WriteGaugeUint64(w, `vm_blocks{type="storage/big"}`, tm.BigBlocksCount)
|
|
metrics.WriteGaugeUint64(w, `vm_blocks{type="indexdb/inmemory"}`, idbm.InmemoryBlocksCount)
|
|
metrics.WriteGaugeUint64(w, `vm_blocks{type="indexdb/file"}`, idbm.FileBlocksCount)
|
|
|
|
metrics.WriteGaugeUint64(w, `vm_data_size_bytes{type="storage/inmemory"}`, tm.InmemorySizeBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_data_size_bytes{type="storage/small"}`, tm.SmallSizeBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_data_size_bytes{type="storage/big"}`, tm.BigSizeBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_data_size_bytes{type="indexdb/inmemory"}`, idbm.InmemorySizeBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_data_size_bytes{type="indexdb/file"}`, idbm.FileSizeBytes)
|
|
|
|
metrics.WriteCounterUint64(w, `vm_rows_received_by_storage_total`, m.RowsReceivedTotal)
|
|
metrics.WriteCounterUint64(w, `vm_rows_added_to_storage_total`, m.RowsAddedTotal)
|
|
metrics.WriteCounterUint64(w, `vm_deduplicated_samples_total{type="merge"}`, m.DedupsDuringMerge)
|
|
metrics.WriteGaugeUint64(w, `vm_snapshots`, m.SnapshotsCount)
|
|
|
|
metrics.WriteCounterUint64(w, `vm_rows_ignored_total{reason="big_timestamp"}`, m.TooBigTimestampRows)
|
|
metrics.WriteCounterUint64(w, `vm_rows_ignored_total{reason="small_timestamp"}`, m.TooSmallTimestampRows)
|
|
metrics.WriteCounterUint64(w, `vm_rows_ignored_total{reason="invalid_raw_metric_name"}`, m.InvalidRawMetricNames)
|
|
if *maxHourlySeries > 0 {
|
|
metrics.WriteCounterUint64(w, `vm_rows_ignored_total{reason="hourly_limit_exceeded"}`, m.HourlySeriesLimitRowsDropped)
|
|
}
|
|
if *maxDailySeries > 0 {
|
|
metrics.WriteCounterUint64(w, `vm_rows_ignored_total{reason="daily_limit_exceeded"}`, m.DailySeriesLimitRowsDropped)
|
|
}
|
|
|
|
metrics.WriteCounterUint64(w, `vm_timeseries_repopulated_total`, m.TimeseriesRepopulated)
|
|
metrics.WriteCounterUint64(w, `vm_timeseries_precreated_total`, m.TimeseriesPreCreated)
|
|
metrics.WriteCounterUint64(w, `vm_new_timeseries_created_total`, m.NewTimeseriesCreated)
|
|
metrics.WriteCounterUint64(w, `vm_slow_row_inserts_total`, m.SlowRowInserts)
|
|
metrics.WriteCounterUint64(w, `vm_slow_per_day_index_inserts_total`, m.SlowPerDayIndexInserts)
|
|
metrics.WriteCounterUint64(w, `vm_slow_metric_name_loads_total`, m.SlowMetricNameLoads)
|
|
|
|
if *maxHourlySeries > 0 {
|
|
metrics.WriteGaugeUint64(w, `vm_hourly_series_limit_current_series`, m.HourlySeriesLimitCurrentSeries)
|
|
metrics.WriteGaugeUint64(w, `vm_hourly_series_limit_max_series`, m.HourlySeriesLimitMaxSeries)
|
|
metrics.WriteCounterUint64(w, `vm_hourly_series_limit_rows_dropped_total`, m.HourlySeriesLimitRowsDropped)
|
|
}
|
|
|
|
if *maxDailySeries > 0 {
|
|
metrics.WriteGaugeUint64(w, `vm_daily_series_limit_current_series`, m.DailySeriesLimitCurrentSeries)
|
|
metrics.WriteGaugeUint64(w, `vm_daily_series_limit_max_series`, m.DailySeriesLimitMaxSeries)
|
|
metrics.WriteCounterUint64(w, `vm_daily_series_limit_rows_dropped_total`, m.DailySeriesLimitRowsDropped)
|
|
}
|
|
|
|
metrics.WriteCounterUint64(w, `vm_timestamps_blocks_merged_total`, m.TimestampsBlocksMerged)
|
|
metrics.WriteCounterUint64(w, `vm_timestamps_bytes_saved_total`, m.TimestampsBytesSaved)
|
|
|
|
metrics.WriteGaugeUint64(w, `vm_rows{type="storage/inmemory"}`, tm.InmemoryRowsCount)
|
|
metrics.WriteGaugeUint64(w, `vm_rows{type="storage/small"}`, tm.SmallRowsCount)
|
|
metrics.WriteGaugeUint64(w, `vm_rows{type="storage/big"}`, tm.BigRowsCount)
|
|
metrics.WriteGaugeUint64(w, `vm_rows{type="indexdb/inmemory"}`, idbm.InmemoryItemsCount)
|
|
metrics.WriteGaugeUint64(w, `vm_rows{type="indexdb/file"}`, idbm.FileItemsCount)
|
|
|
|
metrics.WriteCounterUint64(w, `vm_date_range_search_calls_total`, idbm.DateRangeSearchCalls)
|
|
metrics.WriteCounterUint64(w, `vm_date_range_hits_total`, idbm.DateRangeSearchHits)
|
|
metrics.WriteCounterUint64(w, `vm_global_search_calls_total`, idbm.GlobalSearchCalls)
|
|
|
|
metrics.WriteCounterUint64(w, `vm_missing_metric_names_for_metric_id_total`, idbm.MissingMetricNamesForMetricID)
|
|
|
|
metrics.WriteCounterUint64(w, `vm_date_metric_id_cache_syncs_total`, m.DateMetricIDCacheSyncsCount)
|
|
metrics.WriteCounterUint64(w, `vm_date_metric_id_cache_resets_total`, m.DateMetricIDCacheResetsCount)
|
|
|
|
metrics.WriteGaugeUint64(w, `vm_cache_entries{type="storage/tsid"}`, m.TSIDCacheSize)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_entries{type="storage/metricIDs"}`, m.MetricIDCacheSize)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_entries{type="storage/metricName"}`, m.MetricNameCacheSize)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_entries{type="storage/date_metricID"}`, m.DateMetricIDCacheSize)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_entries{type="storage/hour_metric_ids"}`, m.HourMetricIDCacheSize)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_entries{type="storage/next_day_metric_ids"}`, m.NextDayMetricIDCacheSize)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_entries{type="storage/indexBlocks"}`, tm.IndexBlocksCacheSize)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_entries{type="indexdb/dataBlocks"}`, idbm.DataBlocksCacheSize)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_entries{type="indexdb/indexBlocks"}`, idbm.IndexBlocksCacheSize)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_entries{type="indexdb/tagFiltersToMetricIDs"}`, idbm.TagFiltersToMetricIDsCacheSize)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_entries{type="storage/regexps"}`, uint64(storage.RegexpCacheSize()))
|
|
metrics.WriteGaugeUint64(w, `vm_cache_entries{type="storage/regexpPrefixes"}`, uint64(storage.RegexpPrefixesCacheSize()))
|
|
metrics.WriteGaugeUint64(w, `vm_cache_entries{type="storage/prefetchedMetricIDs"}`, m.PrefetchedMetricIDsSize)
|
|
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="storage/tsid"}`, m.TSIDCacheSizeBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="storage/metricIDs"}`, m.MetricIDCacheSizeBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="storage/metricName"}`, m.MetricNameCacheSizeBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="storage/indexBlocks"}`, tm.IndexBlocksCacheSizeBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="indexdb/dataBlocks"}`, idbm.DataBlocksCacheSizeBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="indexdb/indexBlocks"}`, idbm.IndexBlocksCacheSizeBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="storage/date_metricID"}`, m.DateMetricIDCacheSizeBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="storage/hour_metric_ids"}`, m.HourMetricIDCacheSizeBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="storage/next_day_metric_ids"}`, m.NextDayMetricIDCacheSizeBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="indexdb/tagFiltersToMetricIDs"}`, idbm.TagFiltersToMetricIDsCacheSizeBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="storage/regexps"}`, uint64(storage.RegexpCacheSizeBytes()))
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="storage/regexpPrefixes"}`, uint64(storage.RegexpPrefixesCacheSizeBytes()))
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_bytes{type="storage/prefetchedMetricIDs"}`, m.PrefetchedMetricIDsSizeBytes)
|
|
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_max_bytes{type="storage/tsid"}`, m.TSIDCacheSizeMaxBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_max_bytes{type="storage/metricIDs"}`, m.MetricIDCacheSizeMaxBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_max_bytes{type="storage/metricName"}`, m.MetricNameCacheSizeMaxBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_max_bytes{type="storage/indexBlocks"}`, tm.IndexBlocksCacheSizeMaxBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_max_bytes{type="indexdb/dataBlocks"}`, idbm.DataBlocksCacheSizeMaxBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_max_bytes{type="indexdb/indexBlocks"}`, idbm.IndexBlocksCacheSizeMaxBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_max_bytes{type="indexdb/tagFiltersToMetricIDs"}`, idbm.TagFiltersToMetricIDsCacheSizeMaxBytes)
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_max_bytes{type="storage/regexps"}`, uint64(storage.RegexpCacheMaxSizeBytes()))
|
|
metrics.WriteGaugeUint64(w, `vm_cache_size_max_bytes{type="storage/regexpPrefixes"}`, uint64(storage.RegexpPrefixesCacheMaxSizeBytes()))
|
|
|
|
metrics.WriteCounterUint64(w, `vm_cache_requests_total{type="storage/tsid"}`, m.TSIDCacheRequests)
|
|
metrics.WriteCounterUint64(w, `vm_cache_requests_total{type="storage/metricIDs"}`, m.MetricIDCacheRequests)
|
|
metrics.WriteCounterUint64(w, `vm_cache_requests_total{type="storage/metricName"}`, m.MetricNameCacheRequests)
|
|
metrics.WriteCounterUint64(w, `vm_cache_requests_total{type="storage/indexBlocks"}`, tm.IndexBlocksCacheRequests)
|
|
metrics.WriteCounterUint64(w, `vm_cache_requests_total{type="indexdb/dataBlocks"}`, idbm.DataBlocksCacheRequests)
|
|
metrics.WriteCounterUint64(w, `vm_cache_requests_total{type="indexdb/indexBlocks"}`, idbm.IndexBlocksCacheRequests)
|
|
metrics.WriteCounterUint64(w, `vm_cache_requests_total{type="indexdb/tagFiltersToMetricIDs"}`, idbm.TagFiltersToMetricIDsCacheRequests)
|
|
metrics.WriteCounterUint64(w, `vm_cache_requests_total{type="storage/regexps"}`, storage.RegexpCacheRequests())
|
|
metrics.WriteCounterUint64(w, `vm_cache_requests_total{type="storage/regexpPrefixes"}`, storage.RegexpPrefixesCacheRequests())
|
|
|
|
metrics.WriteCounterUint64(w, `vm_cache_misses_total{type="storage/tsid"}`, m.TSIDCacheMisses)
|
|
metrics.WriteCounterUint64(w, `vm_cache_misses_total{type="storage/metricIDs"}`, m.MetricIDCacheMisses)
|
|
metrics.WriteCounterUint64(w, `vm_cache_misses_total{type="storage/metricName"}`, m.MetricNameCacheMisses)
|
|
metrics.WriteCounterUint64(w, `vm_cache_misses_total{type="storage/indexBlocks"}`, tm.IndexBlocksCacheMisses)
|
|
metrics.WriteCounterUint64(w, `vm_cache_misses_total{type="indexdb/dataBlocks"}`, idbm.DataBlocksCacheMisses)
|
|
metrics.WriteCounterUint64(w, `vm_cache_misses_total{type="indexdb/indexBlocks"}`, idbm.IndexBlocksCacheMisses)
|
|
metrics.WriteCounterUint64(w, `vm_cache_misses_total{type="indexdb/tagFiltersToMetricIDs"}`, idbm.TagFiltersToMetricIDsCacheMisses)
|
|
metrics.WriteCounterUint64(w, `vm_cache_misses_total{type="storage/regexps"}`, storage.RegexpCacheMisses())
|
|
metrics.WriteCounterUint64(w, `vm_cache_misses_total{type="storage/regexpPrefixes"}`, storage.RegexpPrefixesCacheMisses())
|
|
|
|
metrics.WriteCounterUint64(w, `vm_deleted_metrics_total{type="indexdb"}`, idbm.DeletedMetricsCount)
|
|
|
|
metrics.WriteCounterUint64(w, `vm_cache_collisions_total{type="storage/tsid"}`, m.TSIDCacheCollisions)
|
|
metrics.WriteCounterUint64(w, `vm_cache_collisions_total{type="storage/metricName"}`, m.MetricNameCacheCollisions)
|
|
|
|
metrics.WriteGaugeUint64(w, `vm_next_retention_seconds`, m.NextRetentionSeconds)
|
|
|
|
metrics.WriteGaugeUint64(w, `vm_downsampling_partitions_scheduled`, tm.ScheduledDownsamplingPartitions)
|
|
metrics.WriteGaugeUint64(w, `vm_downsampling_partitions_scheduled_size_bytes`, tm.ScheduledDownsamplingPartitionsSize)
|
|
}
|
|
|
|
func jsonResponseError(w http.ResponseWriter, err error) {
|
|
logger.Errorf("%s", err)
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
errStr := err.Error()
|
|
fmt.Fprintf(w, `{"status":"error","msg":%s}`, stringsutil.JSONString(errStr))
|
|
}
|