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204 commits

Author SHA1 Message Date
Aliaksandr Valialkin
d4218d27e6 app/vmselect/promql: properly handle subqueries like aggr_func(rollup_func(metric[window:step])) 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/184
 2019-09-13 21:41:04 +03:00
Aliaksandr Valialkin
4d636c244d app/vmselect/promql: binary operation fixes according to Prometheus behaviour 
The follosing issues were fixed:
- VictoriaMetrics could leave superflouos labels when using `on` or `ignoring` modifiers
- VictoriaMetrics could return `duplicate timeseries` error when using `group_left` or `group_right` with non-empty label list
 2019-09-13 17:42:52 +03:00
Artem Navoiev
4fd741f40d [tests] check timestamp in tests (#177) 2019-09-08 19:48:38 +03:00
Artem Navoiev
22e3fabefd Add OpenTSDB and Prometheus integration tests (#168) 
* [WIP] open tsdb and prometheus integration tests

* app/victoria-metrics: fix race condition on parallel tests
 2019-09-05 17:55:38 +03:00
Aliaksandr Valialkin
88f8670ede lib/fs: add MustStopDirRemover for waiting until pending directories are removed on graceful shutdown 
This patch is mainly required for laggy NFS. See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/162
 2019-09-05 11:13:17 +03:00
Aliaksandr Valialkin
6954e126fc app/vmselect/promql: ignore grouping by destination label in count_values, since such a grouping is performed automatically 2019-09-04 19:58:01 +03:00
Aliaksandr Valialkin
305e7bc981 app/vmselect/promql: do not return artificial points beyond the last point in time series 2019-09-04 16:35:34 +03:00
Aliaksandr Valialkin
9721d06c6a app/vmselect/prometheus: do not adjust start and end args in /api/v1/query_range if nocache=1 arg is set 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/171
 2019-09-04 13:10:09 +03:00
Aliaksandr Valialkin
db4560ca31 app/vmselect/promql: reset timeseries name on group_left and group_right as Prometheus does 2019-09-03 20:42:54 +03:00
Aliaksandr Valialkin
1575a560f0 app/vmselect/netstorage: adaptively adjust the maximum inmemory file size for storing temporary blocks 
The maximum inmemory file size now depends on `-memory.allowedPercent`.
This should improve performance and reduce the number of filesystem calls
on machines with big amounts of RAM when performing heavy queries
over big number of samples and time series.
 2019-09-03 13:32:09 +03:00
Aliaksandr Valialkin
3685fc18d5 Makefile: extract app-local and app-local-pure build rules 2019-08-28 01:34:58 +03:00
Aliaksandr Valialkin
ede7ad3703 app/victoria-metrics: add missing victoria-metrics prefix to --version output when building with make victoria-metrics 2019-08-28 01:28:08 +03:00
Aliaksandr Valialkin
9196c085a7 all: port to FreeBSD on GOARCH=amd64 2019-08-28 01:19:23 +03:00
Aliaksandr Valialkin
603a79b357 app/vmstorage: increase default values for search.maxTagKeys, search.maxTagValues and search.maxUniqueTimeseries 2019-08-27 14:29:53 +03:00
Aliaksandr Valialkin
fb909cf710 app/vminsert/influx: set db label only if Influx line doesnt have db tag 2019-08-24 13:52:48 +03:00
Aliaksandr Valialkin
9c9221d1b2 app/vminsert: skip empty tags 2019-08-24 13:36:29 +03:00
Aliaksandr Valialkin
70ca018a57 app/vminsert/opentsdbhttp: skip invalid rows and continue parsing the remaining rows 
Invalid rows are logged and counted in `vm_rows_invalid_total{type="opentsdb-http"}` metric
 2019-08-24 13:36:29 +03:00
Aliaksandr Valialkin
4266091e4f app/vminsert/opentsdb: skip invalid rows and continue parsing the remaining rows 
Invalid rows are logged and counted in `vm_rows_invalid_total{type="opentsdb"}` metric
 2019-08-24 13:36:29 +03:00
Aliaksandr Valialkin
8001d29b6e app/vminsert/graphite: skip invalid rows and continue parsing the remaining rows 
Invalid rows are logged and counted in `vm_rows_invalid_total{type="graphite"}` metric
 2019-08-24 13:36:29 +03:00
Aliaksandr Valialkin
9d3f1fcbb9 app/vminsert/influx: skip invalid rows and continue parsing the remaining rows 
Invalid influx lines are logged and counted in `vm_rows_invalid_total{type="influx"}` metric.
 2019-08-24 13:36:29 +03:00
Aliaksandr Valialkin
ba7b3806be app/vminsert/influx: do not allow escaping newline char, since they dont occur in real life 
The prefious report with escaped newline chars in influx line protocol was false alarm.
 2019-08-23 18:42:05 +03:00
Aliaksandr Valialkin
7fa88c6efc app/vminsert/opentsdbhttp: allow timestamp as float64 and as string, since it occurs in real life 2019-08-23 18:35:41 +03:00
Aliaksandr Valialkin
4da34b11f8 app/vminsert/influx: handle \r\n aka crlf influx line endings from windows world 
Such lines exist in real life.
 2019-08-23 18:28:49 +03:00
Aliaksandr Valialkin
a18317adbc app/vminsert/influx: allow escaping newline char 
Though newline char isn't mentioned in escape rules at https://docs.influxdata.com/influxdb/v1.7/write_protocols/line_protocol_tutorial/ ,
there are reports that such chars occur in real life
 2019-08-23 15:14:46 +03:00
Aliaksandr Valialkin
44d7fc599d app/vminsert/influx: skip comments starting with # in influx line protocol 2019-08-23 14:43:09 +03:00
Aliaksandr Valialkin
ac004665b5 all: return 503 http error if service is temporarily unavailable 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/156
 2019-08-23 09:55:07 +03:00
Aliaksandr Valialkin
8c03a8c4b4 app/vminsert: allow setting the maximum number of labels per time series via -maxLabelsPerTimeseries 2019-08-23 08:45:26 +03:00
Aliaksandr Valialkin
1272e407b2 app/vmselect/promql: attempt to repair invalid bucket counts passed to histogram_quantile 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/136
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/154
 2019-08-22 14:39:46 +03:00
Aliaksandr Valialkin
5f33fc8e46 app/vminsert: add ability to ingest data via HTTP OpenTSDB /api/put requests 
This is manual merge of the https://github.com/VictoriaMetrics/VictoriaMetrics/pull/152
Thanks to nustinov@gmail.com for the initial pull request.
 2019-08-22 12:28:32 +03:00
Aliaksandr Valialkin
ec8125606d app/vminsert/opentsdb: fix BenchmarkRowsUnmarshal by adding missing put prefixes to each line 2019-08-21 19:14:47 +03:00
Aliaksandr Valialkin
f4a38f7fb1 app/vmselect/promql: fix panic on -search.disableCache 
Reset the cache if it is disabled instead of stopping, since it is stopped on graceful shutdown.
 2019-08-21 17:11:52 +03:00
Aliaksandr Valialkin
ab740afd0d app/vmselect/promql: explain why empty timeseries arent removed in transformLabelValue 2019-08-21 11:29:24 +03:00
Aliaksandr Valialkin
7b5168adfb app/vmselect/promql: remove NaNs from /api/v1/query_range output like Prometheus does 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/153
 2019-08-20 23:01:41 +03:00
Aliaksandr Valialkin
a0d480fbf3 app/vmselect/promql: pre-allocate memory for map for checking for duplicate timeseries 
This should reduce memory allocations for big number of timeseries
 2019-08-20 23:01:39 +03:00
Aliaksandr Valialkin
d3fd113a80 app/vmselect/promql: add label_value(q, label_name) func, which returns numeric value labels with name label_name in q 2019-08-20 00:28:34 +03:00
Aliaksandr Valialkin
dd86e6130c app/vmselect/promql: independently track offset hints for tStart and tEnd 
This should improve performance if timeseries starts or ends on the selected time range
 2019-08-19 13:40:14 +03:00
Aliaksandr Valialkin
6a27657d73 app/vmselect/promql: optimize search for timestamp boundaries in rollupConfig.Do 
This should improve the performance of queries over big number of time series
with big number of output points.
 2019-08-19 13:03:29 +03:00
Aliaksandr Valialkin
e74fb23189 app/vmselect/promql: add scrape_interval(q[d]) function, which would return scrape interval for q over d 2019-08-18 21:08:26 +03:00
Aliaksandr Valialkin
582fdc059a app/vmselect/promql: hande comparisons with NaN similar to Prometheus 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/150
 2019-08-18 00:25:50 +03:00
Aliaksandr Valialkin
1c108fc494 app/vmselect/promql: add lifetime(q[d]) function, which returns the lifetime of q over d in seconds. 
This function is useful for determining time series lifetime.
`d` must exceed the expected lifetime of the time series, otherwise
the function would return values close to `d`.
 2019-08-16 11:59:32 +03:00
Aliaksandr Valialkin
d6b5ed6d39 app/vmselect/promql: fix corner-case calculation for ideriv 2019-08-16 11:59:28 +03:00
Aliaksandr Valialkin
639b14e8ab app/vmselect/promql: properly handle corner cases for rollup functions 2019-08-15 23:29:59 +03:00
Aliaksandr Valialkin
9ecb994671 app/vmselect/promql: store compressed results in the cache 
This should increase rollup results cache capacity.
 2019-08-14 02:29:45 +03:00
Aliaksandr Valialkin
09fc6e22e5 all: use workingsetcache instead of fastcache 
This should reduce the amount of RAM required for processing time series
with non-zero churn rate.

The previous cache behavior can be restored with `-cache.oldBehavior` command-line flag.
 2019-08-13 21:39:34 +03:00
Aliaksandr Valialkin
b8bb74ffc6 app/vmstorage: add vm_concurrent_addrows_* metrics for tracking concurrency for Storage.AddRows calls 
Track also the number of dropped rows due to the exceeded timeout
on concurrency limit for Storage.AddRows. This number is tracked in `vm_concurrent_addrows_dropped_rows_total`
 2019-08-06 15:08:33 +03:00
Aliaksandr Valialkin
5c83f8e203 app: add vm_concurrent_ metrics for visibility in concurrency limiters for vminsert and vmselect 2019-08-05 18:30:57 +03:00
Aliaksandr Valialkin
99e048c9df app/vmselect: allow passing match[], start and time to /api/v1/label/<label_name>/values 
`/api/v1/label/<label_name>/values?match[]=q` emulates emulates `label_values(q, <label_name>)`
call in Grafana templating.
 2019-08-04 23:09:21 +03:00
Aliaksandr Valialkin
47e4b50112 app/vmselect: optimize /api/v1/series by skipping storage data 
Fetch and process only time series metainfo.
 2019-08-04 23:01:28 +03:00
Aliaksandr Valialkin
241170dc05 app/vmselect/prometheus: prevent from fetching and scanning all the data on /api/v1/searies call by default 2019-08-04 19:42:36 +03:00
Aliaksandr Valialkin
1c69f4eadc app/vmselect/promql: tune automatic window adjustement 
Increase the windows adjustement for small scrape intervals,
since they usually have higher jitter.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/139
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/134
 2019-08-04 19:34:05 +03:00
Aliaksandr Valialkin
8d93b15b86 app/vmselect/promql: further increase the allowed jitter for scrape interval 
Real-world production data shows higher jitter than 1/8 of scrape interval.
This may results in gaps on the graph. So increase the allowed jitter to 1/4
of scrape interval in order to reduce the probability of gaps on the graphs
over time series with high jitter for scrape_interval.
 2019-08-02 20:10:23 +03:00
Aliaksandr Valialkin
a9f39168d2 app/vminsert/influx: round automatically generated timestamp according to the given precision arg 2019-08-02 00:24:06 +03:00
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