mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-11-27 02:46:47 +01:00
05ac508fbf
The purpose of this change is to reduce confusion between using
`flag.Duration` and `flagutils.Duration`. The reason is that
`flagutils.Duration` was mistakenly used for cases that required `m`
support. See
ab0d31a7b0
The change in name should clearly indicate the purpose of this data
type.
### Describe Your Changes
Please provide a brief description of the changes you made. Be as
specific as possible to help others understand the purpose and impact of
your modifications.
### Checklist
The following checks are **mandatory**:
- [ ] My change adheres [VictoriaMetrics contributing
guidelines](https://docs.victoriametrics.com/contributing/).
Signed-off-by: hagen1778 <roman@victoriametrics.com>
234 lines
12 KiB
Go
234 lines
12 KiB
Go
package vlstorage
|
|
|
|
import (
|
|
"context"
|
|
"flag"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"time"
|
|
|
|
"github.com/VictoriaMetrics/metrics"
|
|
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/httpserver"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/logstorage"
|
|
)
|
|
|
|
var (
|
|
retentionPeriod = flagutil.NewRetentionDuration("retentionPeriod", "7d", "Log entries with timestamps older than now-retentionPeriod are automatically deleted; "+
|
|
"log entries with timestamps outside the retention are also rejected during data ingestion; the minimum supported retention is 1d (one day); "+
|
|
"see https://docs.victoriametrics.com/victorialogs/#retention ; see also -retention.maxDiskSpaceUsageBytes")
|
|
maxDiskSpaceUsageBytes = flagutil.NewBytes("retention.maxDiskSpaceUsageBytes", 0, "The maximum disk space usage at -storageDataPath before older per-day "+
|
|
"partitions are automatically dropped; see https://docs.victoriametrics.com/victorialogs/#retention-by-disk-space-usage ; see also -retentionPeriod")
|
|
futureRetention = flagutil.NewRetentionDuration("futureRetention", "2d", "Log entries with timestamps bigger than now+futureRetention are rejected during data ingestion; "+
|
|
"see https://docs.victoriametrics.com/victorialogs/#retention")
|
|
storageDataPath = flag.String("storageDataPath", "victoria-logs-data", "Path to directory where to store VictoriaLogs data; "+
|
|
"see https://docs.victoriametrics.com/victorialogs/#storage")
|
|
inmemoryDataFlushInterval = flag.Duration("inmemoryDataFlushInterval", 5*time.Second, "The interval for guaranteed saving of in-memory data to disk. "+
|
|
"The saved data survives unclean shutdowns such as OOM crash, hardware reset, SIGKILL, etc. "+
|
|
"Bigger intervals may help increase the lifetime of flash storage with limited write cycles (e.g. Raspberry PI). "+
|
|
"Smaller intervals increase disk IO load. Minimum supported value is 1s")
|
|
logNewStreams = flag.Bool("logNewStreams", false, "Whether to log creation of new streams; this can be useful for debugging of high cardinality issues with log streams; "+
|
|
"see https://docs.victoriametrics.com/victorialogs/keyconcepts/#stream-fields ; see also -logIngestedRows")
|
|
logIngestedRows = flag.Bool("logIngestedRows", false, "Whether to log all the ingested log entries; this can be useful for debugging of data ingestion; "+
|
|
"see https://docs.victoriametrics.com/victorialogs/data-ingestion/ ; see also -logNewStreams")
|
|
minFreeDiskSpaceBytes = flagutil.NewBytes("storage.minFreeDiskSpaceBytes", 10e6, "The minimum free disk space at -storageDataPath after which "+
|
|
"the storage stops accepting new data")
|
|
|
|
forceMergeAuthKey = flagutil.NewPassword("forceMergeAuthKey", "authKey, which must be passed in query string to /internal/force_merge pages. It overrides -httpAuth.*")
|
|
)
|
|
|
|
// Init initializes vlstorage.
|
|
//
|
|
// Stop must be called when vlstorage is no longer needed
|
|
func Init() {
|
|
if strg != nil {
|
|
logger.Panicf("BUG: Init() has been already called")
|
|
}
|
|
|
|
if retentionPeriod.Duration() < 24*time.Hour {
|
|
logger.Fatalf("-retentionPeriod cannot be smaller than a day; got %s", retentionPeriod)
|
|
}
|
|
cfg := &logstorage.StorageConfig{
|
|
Retention: retentionPeriod.Duration(),
|
|
MaxDiskSpaceUsageBytes: maxDiskSpaceUsageBytes.N,
|
|
FlushInterval: *inmemoryDataFlushInterval,
|
|
FutureRetention: futureRetention.Duration(),
|
|
LogNewStreams: *logNewStreams,
|
|
LogIngestedRows: *logIngestedRows,
|
|
MinFreeDiskSpaceBytes: minFreeDiskSpaceBytes.N,
|
|
}
|
|
logger.Infof("opening storage at -storageDataPath=%s", *storageDataPath)
|
|
startTime := time.Now()
|
|
strg = logstorage.MustOpenStorage(*storageDataPath, cfg)
|
|
|
|
var ss logstorage.StorageStats
|
|
strg.UpdateStats(&ss)
|
|
logger.Infof("successfully opened storage in %.3f seconds; smallParts: %d; bigParts: %d; smallPartBlocks: %d; bigPartBlocks: %d; smallPartRows: %d; bigPartRows: %d; "+
|
|
"smallPartSize: %d bytes; bigPartSize: %d bytes",
|
|
time.Since(startTime).Seconds(), ss.SmallParts, ss.BigParts, ss.SmallPartBlocks, ss.BigPartBlocks, ss.SmallPartRowsCount, ss.BigPartRowsCount,
|
|
ss.CompressedSmallPartSize, ss.CompressedBigPartSize)
|
|
|
|
// register storage metrics
|
|
storageMetrics = metrics.NewSet()
|
|
storageMetrics.RegisterMetricsWriter(func(w io.Writer) {
|
|
writeStorageMetrics(w, strg)
|
|
})
|
|
metrics.RegisterSet(storageMetrics)
|
|
}
|
|
|
|
// Stop stops vlstorage.
|
|
func Stop() {
|
|
metrics.UnregisterSet(storageMetrics, true)
|
|
storageMetrics = nil
|
|
|
|
strg.MustClose()
|
|
strg = nil
|
|
}
|
|
|
|
// RequestHandler is a storage request handler.
|
|
func RequestHandler(w http.ResponseWriter, r *http.Request) bool {
|
|
path := r.URL.Path
|
|
if path == "/internal/force_merge" {
|
|
if !httpserver.CheckAuthFlag(w, r, forceMergeAuthKey) {
|
|
return true
|
|
}
|
|
// Run force merge in background
|
|
partitionNamePrefix := r.FormValue("partition_prefix")
|
|
go func() {
|
|
activeForceMerges.Inc()
|
|
defer activeForceMerges.Dec()
|
|
logger.Infof("forced merge for partition_prefix=%q has been started", partitionNamePrefix)
|
|
startTime := time.Now()
|
|
strg.MustForceMerge(partitionNamePrefix)
|
|
logger.Infof("forced merge for partition_prefix=%q has been successfully finished in %.3f seconds", partitionNamePrefix, time.Since(startTime).Seconds())
|
|
}()
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
var strg *logstorage.Storage
|
|
var storageMetrics *metrics.Set
|
|
|
|
// CanWriteData returns non-nil error if it cannot write data to vlstorage.
|
|
func CanWriteData() error {
|
|
if strg.IsReadOnly() {
|
|
return &httpserver.ErrorWithStatusCode{
|
|
Err: fmt.Errorf("cannot add rows into storage in read-only mode; the storage can be in read-only mode "+
|
|
"because of lack of free disk space at -storageDataPath=%s", *storageDataPath),
|
|
StatusCode: http.StatusTooManyRequests,
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// MustAddRows adds lr to vlstorage
|
|
//
|
|
// It is advised to call CanWriteData() before calling MustAddRows()
|
|
func MustAddRows(lr *logstorage.LogRows) {
|
|
strg.MustAddRows(lr)
|
|
}
|
|
|
|
// RunQuery runs the given q and calls writeBlock for the returned data blocks
|
|
func RunQuery(ctx context.Context, tenantIDs []logstorage.TenantID, q *logstorage.Query, writeBlock logstorage.WriteBlockFunc) error {
|
|
return strg.RunQuery(ctx, tenantIDs, q, writeBlock)
|
|
}
|
|
|
|
// GetFieldNames executes q and returns field names seen in results.
|
|
func GetFieldNames(ctx context.Context, tenantIDs []logstorage.TenantID, q *logstorage.Query) ([]logstorage.ValueWithHits, error) {
|
|
return strg.GetFieldNames(ctx, tenantIDs, q)
|
|
}
|
|
|
|
// GetFieldValues executes q and returns unique values for the fieldName seen in results.
|
|
//
|
|
// If limit > 0, then up to limit unique values are returned.
|
|
func GetFieldValues(ctx context.Context, tenantIDs []logstorage.TenantID, q *logstorage.Query, fieldName string, limit uint64) ([]logstorage.ValueWithHits, error) {
|
|
return strg.GetFieldValues(ctx, tenantIDs, q, fieldName, limit)
|
|
}
|
|
|
|
// GetStreamFieldNames executes q and returns stream field names seen in results.
|
|
func GetStreamFieldNames(ctx context.Context, tenantIDs []logstorage.TenantID, q *logstorage.Query) ([]logstorage.ValueWithHits, error) {
|
|
return strg.GetStreamFieldNames(ctx, tenantIDs, q)
|
|
}
|
|
|
|
// GetStreamFieldValues executes q and returns stream field values for the given fieldName seen in results.
|
|
//
|
|
// If limit > 0, then up to limit unique stream field values are returned.
|
|
func GetStreamFieldValues(ctx context.Context, tenantIDs []logstorage.TenantID, q *logstorage.Query, fieldName string, limit uint64) ([]logstorage.ValueWithHits, error) {
|
|
return strg.GetStreamFieldValues(ctx, tenantIDs, q, fieldName, limit)
|
|
}
|
|
|
|
// GetStreams executes q and returns streams seen in query results.
|
|
//
|
|
// If limit > 0, then up to limit unique streams are returned.
|
|
func GetStreams(ctx context.Context, tenantIDs []logstorage.TenantID, q *logstorage.Query, limit uint64) ([]logstorage.ValueWithHits, error) {
|
|
return strg.GetStreams(ctx, tenantIDs, q, limit)
|
|
}
|
|
|
|
// GetStreamIDs executes q and returns streamIDs seen in query results.
|
|
//
|
|
// If limit > 0, then up to limit unique streamIDs are returned.
|
|
func GetStreamIDs(ctx context.Context, tenantIDs []logstorage.TenantID, q *logstorage.Query, limit uint64) ([]logstorage.ValueWithHits, error) {
|
|
return strg.GetStreamIDs(ctx, tenantIDs, q, limit)
|
|
}
|
|
|
|
func writeStorageMetrics(w io.Writer, strg *logstorage.Storage) {
|
|
var ss logstorage.StorageStats
|
|
strg.UpdateStats(&ss)
|
|
|
|
metrics.WriteGaugeUint64(w, fmt.Sprintf(`vl_free_disk_space_bytes{path=%q}`, *storageDataPath), fs.MustGetFreeSpace(*storageDataPath))
|
|
|
|
isReadOnly := uint64(0)
|
|
if ss.IsReadOnly {
|
|
isReadOnly = 1
|
|
}
|
|
metrics.WriteGaugeUint64(w, fmt.Sprintf(`vl_storage_is_read_only{path=%q}`, *storageDataPath), isReadOnly)
|
|
|
|
metrics.WriteGaugeUint64(w, `vl_active_merges{type="storage/inmemory"}`, ss.InmemoryActiveMerges)
|
|
metrics.WriteGaugeUint64(w, `vl_active_merges{type="storage/small"}`, ss.SmallPartActiveMerges)
|
|
metrics.WriteGaugeUint64(w, `vl_active_merges{type="storage/big"}`, ss.BigPartActiveMerges)
|
|
|
|
metrics.WriteCounterUint64(w, `vl_merges_total{type="storage/inmemory"}`, ss.InmemoryMergesTotal)
|
|
metrics.WriteCounterUint64(w, `vl_merges_total{type="storage/small"}`, ss.SmallPartMergesTotal)
|
|
metrics.WriteCounterUint64(w, `vl_merges_total{type="storage/big"}`, ss.BigPartMergesTotal)
|
|
|
|
metrics.WriteGaugeUint64(w, `vl_storage_rows{type="storage/inmemory"}`, ss.InmemoryRowsCount)
|
|
metrics.WriteGaugeUint64(w, `vl_storage_rows{type="storage/small"}`, ss.SmallPartRowsCount)
|
|
metrics.WriteGaugeUint64(w, `vl_storage_rows{type="storage/big"}`, ss.BigPartRowsCount)
|
|
|
|
metrics.WriteGaugeUint64(w, `vl_storage_parts{type="storage/inmemory"}`, ss.InmemoryParts)
|
|
metrics.WriteGaugeUint64(w, `vl_storage_parts{type="storage/small"}`, ss.SmallParts)
|
|
metrics.WriteGaugeUint64(w, `vl_storage_parts{type="storage/big"}`, ss.BigParts)
|
|
|
|
metrics.WriteGaugeUint64(w, `vl_storage_blocks{type="storage/inmemory"}`, ss.InmemoryBlocks)
|
|
metrics.WriteGaugeUint64(w, `vl_storage_blocks{type="storage/small"}`, ss.SmallPartBlocks)
|
|
metrics.WriteGaugeUint64(w, `vl_storage_blocks{type="storage/big"}`, ss.BigPartBlocks)
|
|
|
|
metrics.WriteGaugeUint64(w, `vl_partitions`, ss.PartitionsCount)
|
|
metrics.WriteCounterUint64(w, `vl_streams_created_total`, ss.StreamsCreatedTotal)
|
|
|
|
metrics.WriteGaugeUint64(w, `vl_indexdb_rows`, ss.IndexdbItemsCount)
|
|
metrics.WriteGaugeUint64(w, `vl_indexdb_parts`, ss.IndexdbPartsCount)
|
|
metrics.WriteGaugeUint64(w, `vl_indexdb_blocks`, ss.IndexdbBlocksCount)
|
|
|
|
metrics.WriteGaugeUint64(w, `vl_data_size_bytes{type="indexdb"}`, ss.IndexdbSizeBytes)
|
|
metrics.WriteGaugeUint64(w, `vl_data_size_bytes{type="storage"}`, ss.CompressedInmemorySize+ss.CompressedSmallPartSize+ss.CompressedBigPartSize)
|
|
|
|
metrics.WriteGaugeUint64(w, `vl_compressed_data_size_bytes{type="storage/inmemory"}`, ss.CompressedInmemorySize)
|
|
metrics.WriteGaugeUint64(w, `vl_compressed_data_size_bytes{type="storage/small"}`, ss.CompressedSmallPartSize)
|
|
metrics.WriteGaugeUint64(w, `vl_compressed_data_size_bytes{type="storage/big"}`, ss.CompressedBigPartSize)
|
|
|
|
metrics.WriteGaugeUint64(w, `vl_uncompressed_data_size_bytes{type="storage/inmemory"}`, ss.UncompressedInmemorySize)
|
|
metrics.WriteGaugeUint64(w, `vl_uncompressed_data_size_bytes{type="storage/small"}`, ss.UncompressedSmallPartSize)
|
|
metrics.WriteGaugeUint64(w, `vl_uncompressed_data_size_bytes{type="storage/big"}`, ss.UncompressedBigPartSize)
|
|
|
|
metrics.WriteCounterUint64(w, `vl_rows_dropped_total{reason="too_big_timestamp"}`, ss.RowsDroppedTooBigTimestamp)
|
|
metrics.WriteCounterUint64(w, `vl_rows_dropped_total{reason="too_small_timestamp"}`, ss.RowsDroppedTooSmallTimestamp)
|
|
}
|
|
|
|
var activeForceMerges = metrics.NewCounter("vl_active_force_merges")
|