Aliaksandr Valialkin
f090b2e917
app/vmselect/promql: tolerate higher jitter in scrape interval
...
Allow jitter for up to 1/8 instead of 1/16 for the scrape interval.
This should imrpove graphs when `step` is smaller than the `scrape_interval`.
2019-08-01 23:26:00 +03:00
Aliaksandr Valialkin
3a38b23fa3
app/vmselect/promql: add vm_slow_queries_total
metric for counting slow queries
...
The query is slow if its execution time exceeds `-search.logSlowQueryDuration`
2019-07-31 03:36:37 +03:00
Aliaksandr Valialkin
8bd6f1f6df
app/vmselect/promql: return NaN from histogram_quantile if at least a single bucket is broken
2019-07-31 01:18:07 +03:00
Aliaksandr Valialkin
4aaa5c2efc
app/vmselect/promql: allow adjusting window for default rollup function
...
Default rollup function is `last_over_time`. It must support adjusting
the provided window in order to prevent from gaps on the graph
for window values smaller than scrape interval.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/134
2019-07-31 00:45:54 +03:00
Aliaksandr Valialkin
10f5a26bec
app/vmselect/promql: return NaN values if invalid bucket counts are passed to histogram_quantile
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/136
2019-07-30 22:05:10 +03:00
Aliaksandr Valialkin
afcc7fb167
app/vmselect/netstorage: improve error message when reading data blocks from storage
...
Mention the block number in the error. This should simplify troubleshooting in this code.
2019-07-28 12:12:35 +03:00
Aliaksandr Valialkin
1eade9b358
app/vminsert: add vm_rows_per_insert
summary metric
...
This metric should help tuning batch sizes on clients writing data to VictoriaMetrics
2019-07-27 13:21:46 +03:00
Aliaksandr Valialkin
0168a1b658
package: various fixes
...
- Use `-prod` binaries instead of development binaries for both deb and rpm packages.
- Fix binary directory from /usr/sbin to /usr/local/bin as outlined in package/victoria-metrics.service
- Fix binary name from `victoriametrics` to `victoria-metrics-prod` in package/victoria-metrics.service
2019-07-26 22:31:04 +03:00
Aliaksandr Valialkin
bf6cbb762c
app/vminsert: improve error messages for Influx, OpenTSDB and Graphite parsing
...
Include in the error message the line which failed to parse.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/127
2019-07-26 22:08:52 +03:00
Aliaksandr Valialkin
c98725db55
app/vmstorage: consistency renaming for ignored rows
metrics
...
vm_too_big_timestamp_rows_total -> vm_rows_ignored_total{reason="big_timestamp"}
vm_too_small_timestamp_rows_total -> vm_rows_ignored_total{reason="small_timestamp"}
2019-07-26 20:02:06 +03:00
Aliaksandr Valialkin
f586e1f83c
lib/storage: add metrics for calculating skipped rows outside the retention
...
The metrics are:
- vm_too_big_timestamp_rows_total
- vm_too_small_timestamp_rows_total
2019-07-26 14:11:01 +03:00
Kostya Vasilyev
89eb6d78a4
RPM packaging ( #122 )
2019-07-25 23:47:41 +03:00
Aliaksandr Valialkin
17096b5750
app/vmselect/promql: return NaN from count()
over zero time series
...
This aligns `count` behavior with Prometheus.
2019-07-25 22:02:30 +03:00
Aliaksandr Valialkin
66efa5745f
app/vmselect/promql: properly calculate incremental aggregations grouped by __name__
...
Previously the following query may fail on multiple distinct metric names match:
sum(count_over_time{__name__!=''}) by (__name__)
2019-07-25 21:53:20 +03:00
Aliaksandr Valialkin
162f1fb1b7
all: small updates after PR #114
2019-07-23 19:54:50 +03:00
Roman Khavronenko
5bf4e5ffb5
all: add Pure Go build (pull request #114 )
...
Updates #94
2019-07-23 19:26:39 +03:00
Kostya Vasilyev
8c3629a892
Debian packaging ( #116 )
...
* initial commit of deb packaging
* Incorporated feedback from @valyala:
- Put data directory under /var/lib
- More beef in systemd file
- Packaging for arm64
- Package all target which builds and packages both amd64 and arm64
* Remove PIDFile from systemd unit, useless
* per PR feedback, move debian specific files into deb subdirectory
Updates #107 .
2019-07-22 17:12:48 +03:00
Aliaksandr Valialkin
575d2f0a91
app/vminsert: use netutil.TCPListener for collecting network-related metrics for Graphite and OpenTSDB TCP traffic
2019-07-15 22:58:00 +03:00
Aliaksandr Valialkin
6a943a6a58
app/vmselect/promql: remove empty time series after applying filters like q > 0
...
This should reduce CPU and RAM usage for queries over high number of time series.
2019-07-12 19:59:27 +03:00
Aliaksandr Valialkin
ab88890523
app/vmselect/promql: parallelize incremental aggregation to multiple CPU cores
...
This may reduce response times for aggregation over big number of time series
with small step between output data points.
2019-07-12 15:52:22 +03:00
Aliaksandr Valialkin
62a7353479
app/vmselect/prometheus: set start
arg in /api/v1/series
to the minimum allowed time by default as Prometheus does
...
Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/91
2019-07-11 17:10:14 +03:00
Aliaksandr Valialkin
54bd21eb4a
app/vmselect/prometheus: convert negative times to 0, since they arent supported by the storage
2019-07-11 17:07:20 +03:00
Artem Navoiev
cd4833d3d0
integration tests
2019-07-11 15:48:08 +03:00
Aliaksandr Valialkin
101fa258e5
app/vmstorage: prepare for integration tests with multiple Init / Stop cycles
2019-07-11 15:34:50 +03:00
Aliaksandr Valialkin
a336bb4e22
app/vmselect/promql: reduce RAM usage for aggregates over big number of time series
...
Calculate incremental aggregates for `aggr(metric_selector)` function instead of
keeping all the time series matching the given `metric_selector` in memory.
2019-07-10 13:04:39 +03:00
Aliaksandr Valialkin
1fe6d784d8
all: consistency renaming: bytesSize -> sizeBytes
2019-07-10 00:47:36 +03:00
Aliaksandr Valialkin
55fe36149c
app/vmselect/promql: mention -search.logSlowQueryDuration
flag value in the slow query log message
2019-07-10 00:41:24 +03:00
Aliaksandr Valialkin
9203170eb2
app/vmselect/promql: extract rmoeveGroupTags
function for removing unneeded tags from MetricName according to the given modifierExpr
2019-07-09 23:20:48 +03:00
Aliaksandr Valialkin
2db685c19c
app/vmselect/promql: properly preserve metric name after applying functions in any case from transformFuncsKeepMetricGroup
2019-07-09 23:10:35 +03:00
Aliaksandr Valialkin
40a6c0d672
app/vmselect/prometheus: typo fix
2019-07-07 23:34:23 +03:00
Aliaksandr Valialkin
1371024747
app/vmselect/prometheus: handle minTime
and maxTime
values that may be set by Promxy or Prometheus client
...
Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/88
2019-07-07 21:53:48 +03:00
Aliaksandr Valialkin
4dbd642c86
app/vmselect/promql: remove empty timeseries left after topk
call
2019-07-04 19:42:39 +03:00
Aliaksandr Valialkin
56c154f45b
all: add vm_data_size_bytes
metrics for easy monitoring of on-disk data size and on-disk inverted index size
2019-07-04 19:42:30 +03:00
Aliaksandr Valialkin
9a4b2b8315
app/vmselect/prometheus: update adjustLastPoints function
...
- Do not overwrite last points by the previous NaNs, since this may result in empty time series.
- Overwrite the last 2 points instead of 3. This should be enough in most cases.
2019-07-04 09:14:18 +03:00
Aliaksandr Valialkin
e06866005d
app/vmselect/promql: gracefully handle duplicate timestamps in irate
and rollup_rate
funcs
...
Previously such timestamps result in `+Inf` results. Now the previous timestamp is used
for the calculations.
2019-07-03 12:39:55 +03:00
Aliaksandr Valialkin
b9166a60ff
app/vmselect: do not return empty time series in /api/v1/query
result
2019-07-01 17:16:34 +03:00
Aliaksandr Valialkin
74c0fb04f3
app/vmselect/promql: consistency renaming: candlestick -> rollup_candlestick
2019-06-29 03:13:02 +03:00
Aliaksandr Valialkin
55bcf60ea6
app/vmselect: fix 32bit arm build
...
Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/83
2019-06-27 19:36:17 +03:00
Aliaksandr Valialkin
796b010139
app/vmselect: add candlestick(m[d])
func for returning open
, close
, low
and high
rollups on the given time range d
...
This function is frequently used in financial apps. See https://en.wikipedia.org/wiki/Candlestick_chart
2019-06-27 18:46:13 +03:00
Jiri Tyr
e0fccc6c60
Change the default influxMeasurementFieldSeparator
2019-06-26 13:22:03 +03:00
Aliaksandr Valialkin
1f7d9a213a
app/vminsert: fix inifinite loop when reading two lines without newline in the end
...
Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/82
2019-06-26 02:51:56 +03:00
Aliaksandr Valialkin
844ce4731e
app/vmselect/promql: suppress error when template func is used inside modifier list. Just leave it as is
...
Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/78
2019-06-25 20:43:22 +03:00
Aliaksandr Valialkin
feacfffe89
app/vmselect/promql: increase default value for -search.maxPointsPerTimeSeries from 10k to 30k
...
This may be required for subqueries with small steps. See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/77
2019-06-24 22:53:18 +03:00
Aliaksandr Valialkin
4bb738ddd9
app/vmselect/promql: adjust value returned by linearRegression to the end of time range like Prometheus does
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/71
2019-06-24 22:45:58 +03:00
Aliaksandr Valialkin
90e72c2a42
app/vmselect/promql: add sum2
and sum2_over_time
, geomean
and geomean_over_time
funcs.
...
These functions may be useful for statistic calculations.
2019-06-24 16:44:44 +03:00
Aliaksandr Valialkin
61926bae01
app/vmselect/promql: adjust the provided window only for range functions with dt in denominator
...
This should fix range function calculations such as `changes(m[d])` where `d` is smaller
than the scrape interval.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/72
2019-06-23 19:27:31 +03:00
Aliaksandr Valialkin
ee13256f74
app/vmselect/promql: use deriv_fast
instead of deriv
in ttf
, since deriv
calculations have been changed recently
2019-06-23 15:54:18 +03:00
Aliaksandr Valialkin
3b3b2f1e6e
app/vmselect/promql: adjust ttf
calculation, so deriv(freev)
for freev
=m[d]
could be properly calculated
2019-06-23 14:31:19 +03:00
Aliaksandr Valialkin
146c6e1f72
app/vmselect/promql: typo fixes in comments
2019-06-21 23:22:59 +03:00
Aliaksandr Valialkin
d261fa2885
app/vmselect/promql: add deriv_fast
function for calculating fast derivative
...
`deriv_fast` calculates derivative based on the first and the last point on the interval
instead of calculating linear regression based on all the data points on the interval.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/73
2019-06-21 23:05:39 +03:00
Aliaksandr Valialkin
5b47c00910
app/vmselect/promql: use linear regression in deriv
func like Prometheus does
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/73
2019-06-21 22:59:46 +03:00
Aliaksandr Valialkin
9e1119dab8
app/vmselect/promql: ajdust data model to the model used in Prometheus
...
Do not take into account data points on the range `[timestamp .. timestamp+step)`
when calculating value on the given `timestamp`.
Use only data points from the past when performing these calculations like Prometheus does.
This should reduce discrepancies between results returned by VictoriaMetrics
and results returned by Prometheus.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/72
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/71
2019-06-21 21:54:48 +03:00
Aliaksandr Valialkin
47a3228108
app/vmselect/promql: do not strip __name__
form time series after binary comparison operation
...
Example:
foo > 10
Would leave `foo` name for all the matching time series on the left.
2019-06-21 13:09:38 +03:00
Aliaksandr Valialkin
973e4b5b76
app/vmselect/promql: remove unused func keepLastValue
; updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/69
2019-06-20 14:35:11 +03:00
Aliaksandr Valialkin
7aadec8e3c
app/vmselect/promql: typo fix; updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/69
2019-06-20 14:33:47 +03:00
Aliaksandr Valialkin
4b2523fb40
app/vminsert/opentsdb: remove unused const maxReadPacketSize
; update https://github.com/VictoriaMetrics/VictoriaMetrics/issues/69
2019-06-20 14:30:06 +03:00
Aliaksandr Valialkin
70ba36fa37
app/vmselect/prometheus: return better error messages on missing args to /api/v1/*
2019-06-20 14:07:55 +03:00
Aliaksandr Valialkin
a78b3dba7f
app/vmstorage: add vm_cache_entries{type="storage/hour_metric_ids"}
metric for tracking active time series count
2019-06-19 18:36:47 +03:00
Aliaksandr Valialkin
a8d4224828
app/vminsert/graphite: allow skipping timestamps in Graphite plaintext protocol
...
In this case VictoriaMetrics uses the ingestion time as a timestamp.
2019-06-18 19:04:04 +03:00
Aliaksandr Valialkin
86d3d907a5
app/vminsert/influx: add -influxSkipSingleField
flag for using {measurement}
instead of {measurement}{separator}{field_name}
for Influx lines with a single field
...
Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/66
2019-06-17 19:05:57 +03:00
Aliaksandr Valialkin
269285848f
app/vminsert/influx: add -influxMeasurementFieldSeparator flag for the ability to change separator for {measurement}{separator}{field_name}
metric name
2019-06-14 10:00:12 +03:00
Aliaksandr Valialkin
beb479b8f1
app/vmselect/promql: use dynamic limit on memory for concurrent queries
2019-06-12 23:18:44 +03:00
Aliaksandr Valialkin
a8db528930
app/vmselect/promql: merge non-overlapping duplicate time series in group_left
and group_right
joins
2019-06-12 20:32:32 +03:00
Aliaksandr Valialkin
15613e5338
app/vmselect/promql: swap binary operation with modifier in the error message for improved readability
2019-06-12 17:14:39 +03:00
Aliaksandr Valialkin
3237d0309c
app/vmselect/promql: list a sample of duplicate time series in the error message for group_left
or group_right
...
This should improve troubleshooting for complex queries involving `group_left` and `group_right` modifiers.
2019-06-12 16:57:37 +03:00
Aliaksandr Valialkin
419197ba08
lib/fs: consolidate *RemoveAll* funcs into a single MustRemoveAll func
...
The func syncs parent dir in order to persist directory removal
in the event of power loss
2019-06-12 01:53:46 +03:00
Aliaksandr Valialkin
ac7b186f13
all: try hard removing directory with contents
...
Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/61
2019-06-11 01:57:59 +03:00
Aliaksandr Valialkin
1c33b5937e
app/vmselect/promql: prevent from count_values
explosion of timeseries, which could result in OOM
2019-06-11 01:03:13 +03:00
Aliaksandr Valialkin
8bb6bc986d
app/vmselect/promql: skip superflouos timestamps copying in count_values
2019-06-11 00:44:01 +03:00
Aliaksandr Valialkin
d2be567482
app/vmselect/promql: remove superflouos timeseries copy in histogram_quantile
func
2019-06-11 00:39:41 +03:00
Aliaksandr Valialkin
7e7d4d5275
app/vmselect/promql: remove superflouos timeseries copy in union
func
2019-06-11 00:35:20 +03:00
Aliaksandr Valialkin
bf9782eaf6
app/vmselect/promql: skip NaN values in count_values
func
2019-06-10 22:42:32 +03:00
Aliaksandr Valialkin
cbe692f0e2
app/vmselect: add /api/v1/labels/count
handler for quick detection of labels with the maximum number of distinct values
2019-06-10 19:55:38 +03:00
Aliaksandr Valialkin
7b6623558f
lib/storage: skip adaptive searching for tag filter matching the minimum number of metrics if the identical previous search didn't found such filter
...
This should improve speed for searching metrics among high number of time series
with high churn rate like in big Kubernetes clusters with frequent deployments.
2019-06-10 14:07:39 +03:00
Aliaksandr Valialkin
7354090aad
app/vmstorage: add missing _total
suffixes to newly added metrics
2019-06-09 22:11:36 +03:00
Aliaksandr Valialkin
d37924900b
lib/storage: optimize time series lookup for recent hours when the db contains many millions of time series with high churn rate (aka frequent deployments in Kubernetes)
2019-06-09 19:13:56 +03:00
Aliaksandr Valialkin
c0baa977cf
app/vminsert/concurrencylimiter: typo fix in the error message
2019-06-08 22:43:33 +03:00
Aliaksandr Valialkin
f4252f87e6
app/vminsert: really fix #60
...
ReadLinesBlock may accept dstBuf with non-zero length. In this case the last line without trailing newline isn't read.
Fix this by comparing len(dstBuf) to 0 instead of its original length.
2019-06-07 23:37:03 +03:00
Aliaksandr Valialkin
0b78d228d2
app/vminsert: properly read trailing line without newline in the end
...
This fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/60
2019-06-07 23:17:59 +03:00
Aliaksandr Valialkin
c1f18ee48d
app/vmselect/promql: properly handle {__name__ op "string"}
queries
...
This has been broken in 7294ef333ad26f4f6578b783e97649e58b1f8945 .
2019-06-07 02:02:04 +03:00
Aliaksandr Valialkin
667115a5c7
app/vmselect/prometheus: report about incorrect time or duration instead of silently using the default value
...
This should prevent from incorrect usage of the querying API.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/52
2019-06-06 22:18:18 +03:00
Aliaksandr Valialkin
1458450dba
app/vmselect/promql: return the correct time series from quantile
...
Previously arbitrary time series could be returned from `quantile`
depending on sort order for the last data point in the selected range.
Fix this by returning the calculated time series.
Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/55
2019-06-06 17:07:31 +03:00
Aliaksandr Valialkin
53ea90865d
app/vmselect/promql: add -search.disableCache
flag for disabling response caching
...
This may be useful for data back-filling, when the response caching
could interfere badly with newly added data points with timestamps
in the past.
2019-06-04 17:30:45 +03:00
Aliaksandr Valialkin
17f0a53068
app/vminsert: explain that /query request emulation is required for TSBS benchmark
2019-06-03 18:40:27 +03:00
Aliaksandr Valialkin
f2cf5d8e36
app/vmselect/promql: allow escaping identifiers with \
and \xXX
...
Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/42
2019-05-31 17:35:17 +03:00
Aliaksandr Valialkin
27f0d098bd
app/victoria-metrics: add make victoria-metrics-arm64
rule for building GOARCH=arm64 binary
2019-05-29 23:07:14 +03:00
Aliaksandr Valialkin
56b952c456
app/vminsert: add -maxConcurrentInserts
command-line flag for limiting the number of concurrent inserts
2019-05-29 12:41:23 +03:00
Aliaksandr Valialkin
968d094524
app/vminsert: reduce memory usage for Influx, Graphite and OpenTSDB protocols
...
Do not buffer per-connection data and just store it as it arrives
2019-05-28 18:47:23 +03:00
Aliaksandr Valialkin
e307a4d92c
lib/timerpool: use timer pool in concurrency limiters
...
This should reduce the number of memory allocations in highly loaded system
2019-05-28 17:20:10 +03:00
Aliaksandr Valialkin
0eae39daa7
app/vminsert: properly reset InsertCtx.mrs - they must be empty after Reset call
2019-05-28 16:08:01 +03:00
Aliaksandr Valialkin
4859ca0cda
app/vmselect: update comment according to the updated code
2019-05-26 22:38:58 +03:00
Aliaksandr Valialkin
feb6b203a4
app/vminsert/influx: try converting string values to numeric values, since Influx agents may send numeric values as strings
...
Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/34
2019-05-26 22:11:19 +03:00
Aliaksandr Valialkin
5262aae5da
app/vmselect/promql: misspeling fix
2019-05-25 21:53:11 +03:00
Aliaksandr Valialkin
54fb8b21f9
all: fix misspellings
2019-05-25 21:51:11 +03:00
Aliaksandr Valialkin
d6523ffe90
Makefile: add -s flag to go fmt
in make fmt
command
2019-05-25 21:43:35 +03:00
Aliaksandr Valialkin
96ac664b27
Add make victoria-metrics
Makefile rule for building dev binary
2019-05-25 18:24:51 +03:00
Aliaksandr Valialkin
5cbd4cfca9
app/vmselect: log slow queries if their execution time exceeds -search.logSlowQueryDuration
2019-05-24 16:12:31 +03:00
Aliaksandr Valialkin
718ce33714
app/vmselect: consume resultsCh data in exportHandler if writeResponseFunc failed to consume it
2019-05-24 14:54:31 +03:00
Aliaksandr Valialkin
2eb3602d61
app/victoria-metrics: remove -p XXXX:XXXX
from docker run
options, since it is unnesessary if --net=host
is set
2019-05-24 12:54:53 +03:00
Aliaksandr Valialkin
d15d0127fe
app/vmselect/promql: add alias(q, name)
function that sets the given name to all the time series in q
2019-05-24 02:41:45 +03:00