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Author SHA1 Message Date
Aliaksandr Valialkin
000c154641 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 19:34:11 +03:00
Aliaksandr Valialkin
1d4ddadbb1 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 20:16:41 +03:00
Aliaksandr Valialkin
8ed84a4713 app/vminsert/influx: round automatically generated timestamp according to the given precision arg 2019-08-02 00:24:39 +03:00
Aliaksandr Valialkin
ade7bc30db 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 23:25:53 +03:00
Aliaksandr Valialkin
a99e89945e lib/decimal: modernize tests a bit 2019-07-31 21:09:54 +03:00
Aliaksandr Valialkin
6fceedccce deployment: update docker images 2019-07-31 16:38:39 +03:00
Aliaksandr Valialkin
c994fbf500 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 03:36:45 +03:00
Aliaksandr Valialkin
071a122119 app/vmselect/promql: return NaN from histogram_quantile if at least a single bucket is broken 2019-07-31 01:18:11 +03:00
Aliaksandr Valialkin
b9a16b93e7 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 00:45:58 +03:00
Aliaksandr Valialkin
c901a6472f 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 22:05:55 +03:00
Aliaksandr Valialkin
b7c4b0c6d2 lib/storage: fix matching against tag filter with empty name 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/137
 2019-07-30 15:15:21 +03:00
Aliaksandr Valialkin
5b8526e925 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 12:17:33 +03:00
Aliaksandr Valialkin
b7089705b7 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 13:28:20 +03:00
Aliaksandr Valialkin
1fd4e9fb5c 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 22:09:21 +03:00
Aliaksandr Valialkin
34b21a8671 deployment: update cluster image to v1.23.0-cluster 2019-07-26 20:07:47 +03:00
Aliaksandr Valialkin
8253790157 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 20:02:24 +03:00
Aliaksandr Valialkin
c6bec48927 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 14:11:56 +03:00
Aliaksandr Valialkin
aac482517f app/vmselect/promql: return NaN from count() over zero time series 
This aligns `count` behavior with Prometheus.
 2019-07-25 22:02:34 +03:00
Aliaksandr Valialkin
0e52357f35 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 21:53:26 +03:00
Aliaksandr Valialkin
f2e8d54fb0 lib/encoding/zstd: go fmt 2019-07-25 01:37:57 +03:00
Aliaksandr Valialkin
97b5dc7122 lib/encoding/zstd: disable CRC checks in pure Go build 
This should give slightly better compression and decompressions performance.
Additionally this shaves off 4 bytes per each compressed block.
 2019-07-24 19:17:32 +03:00
Aliaksandr Valialkin
54f035d4ce all: small updates after PR #114 2019-07-24 17:43:43 +03:00
Aliaksandr Valialkin
7a133567fb lib/encoding: small fixes in tests after the PR #114 2019-07-24 17:43:39 +03:00
Roman Khavronenko
fcf09aaa3c all: add Pure Go build (pull request #114) 
Updates #94
 2019-07-24 17:43:32 +03:00
Aliaksandr Valialkin
dd7bba94a3 dashboards: use rate instead of irate, because irate doesn't capture spikes 
See https://medium.com/@valyala/why-irate-from-prometheus-doesnt-capture-spikes-45f9896d7832 for details
 2019-07-20 15:55:48 +03:00
Aliaksandr Valialkin
3fae34eeb4 lib/encoding: improve gauge series detection 
- Series with negative values are always gauges
- Counters may only have increasing values with possible counter resets

This should improve compression ratio for gauge series which
were previously mistakenly detected as counters.
 2019-07-20 14:05:25 +03:00
Aliaksandr Valialkin
b335a811c3 deployment: switch builder from go1.12.6 to go1.12.7 2019-07-20 12:14:05 +03:00
Jiri Tyr
0aed0e0b5d Adding Grafana dashboards for VM cluster (#105) 2019-07-20 10:25:09 +03:00
Aliaksandr Valialkin
cb8104cf77 app: clarify error messages when -storageNode arg is missing in vminsert and vmselect 2019-07-20 10:21:59 +03:00
Aliaksandr Valialkin
fab1962e02 deployment/k8s/helm: use correct default ports for -storageNode 
Previously these ports were swapped. Correct ports are:

- vminsert: -storageNode=*:8400
- vmselect: -storageNode=*:8401
 2019-07-20 01:24:32 +03:00
Aliaksandr Valialkin
e3dcfe5851 deployment/docker/docker-compose.yml: use default ports for vminsert and vmselect services 
These ports were swapped. Correct default ports are:

- vminsert: -httpListenAddr=:8480, -storageNode=*:8400
- vmselect: -httpListenAddr=:8481, -storageNode=*:8401
 2019-07-20 01:20:08 +03:00
Thor Anker Kvisgård Lange
f576b267eb Fixed small bug in vmstorage name template 
Signed-off-by: Thor Anker Kvisgård Lange <thanl@mhivestasoffshore.com>
 2019-07-17 13:30:23 +03:00
Aliaksandr Valialkin
76b947dcb4 deployment: update Docker images 2019-07-15 23:56:24 +03:00
Aliaksandr Valialkin
7abb96b454 lib/netutil: do not count timeouts as network errors 2019-07-15 23:06:13 +03:00
Aliaksandr Valialkin
2b4254d01f app/vminsert: use netutil.TCPListener for collecting network-related metrics for Graphite and OpenTSDB TCP traffic 2019-07-15 22:58:35 +03:00
Aliaksandr Valialkin
092c9b39a8 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 19:59:49 +03:00
Aliaksandr Valialkin
3bc9d3a14c vendor: update github.com/VictoriaMetrics/metrics to v1.7.0 
This version adds support for `process_*` metrics similar
to metrics exposed by https://github.com/prometheus/client_golang .

Fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/92
 2019-07-12 17:24:58 +03:00
Aliaksandr Valialkin
6875fb411a 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 15:53:12 +03:00
Aliaksandr Valialkin
be0ce54010 deployment: update docker images 2019-07-12 02:35:09 +03:00
Aliaksandr Valialkin
73a47d2a53 lib/storage: remove unused function isTooBigTimeRangeForDateMetricIDs 2019-07-12 02:28:40 +03:00
Aliaksandr Valialkin
97f9397687 lib/storage: do not reduce maxMetrics on time ranges exceeding maxDaysForDateMetricIDs 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/95
 2019-07-12 02:21:52 +03:00
Aliaksandr Valialkin
1de6ef5f51 deployment: update Docker images 2019-07-11 19:10:35 +03:00
Aliaksandr Valialkin
4a8e6f47fe 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 17:11:37 +03:00
Aliaksandr Valialkin
3313cdf816 app/vmselect/prometheus: convert negative times to 0, since they arent supported by the storage 2019-07-11 17:11:35 +03:00
Aliaksandr Valialkin
4ca66344ee lib/storage: do not pollute inverted index with data for samples outside the retention period 2019-07-11 17:11:33 +03:00
Aliaksandr Valialkin
0522efb2d6 lib/storage: add missing tagFilter.Marshal func 2019-07-11 15:01:01 +03:00
Aliaksandr Valialkin
12b1d67b41 lib/storage: use fast path for orSuffix when searching for metricIDs against plain tag value 2019-07-11 14:48:51 +03:00
Aliaksandr Valialkin
bf2e1b0ac1 lib/storage: remember and skip individual tag filters matching too many metrics 
This saves CPU time by skipping useless matching for individual tag filters.
 2019-07-11 14:48:47 +03:00
Aliaksandr Valialkin
cbab86fd9d 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 13:03:36 +03:00
Aliaksandr Valialkin
ba8195c58e all: consistency renaming: bytesSize -> sizeBytes 2019-07-10 00:47:42 +03:00