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Author SHA1 Message Date
Aliaksandr Valialkin
1efea246b7 docs/Articles.md: add a link to https://medium.com/@valyala/billy-how-victoriametrics-deals-with-more-than-500-billion-rows-e82ff8f725da 2020-01-22 19:08:35 +02:00
Aliaksandr Valialkin
680080887d all: consistently log durations in seconds with millisecond precision 
This should improve logs readability
 2020-01-22 18:28:27 +02:00
Aliaksandr Valialkin
3992984e10 vendor: make vendor-update 2020-01-22 18:08:39 +02:00
Aliaksandr Valialkin
9773022e50 app/vmselect: mention the original query and time range in error messages 
This should simplify debugging invalid or heavy queries.
 2020-01-22 17:36:36 +02:00
Aliaksandr Valialkin
f8954c7250 vendor: update github.com/klauspost/compress from v1.9.7 to v1.9.8 
New version should have better gzip compression. See https://github.com/klauspost/compress#changelog
 2020-01-22 16:50:15 +02:00
Aliaksandr Valialkin
0ef6f91410 docs: Mention Slack and Telegram channels for user questions 2020-01-22 16:50:14 +02:00
Aliaksandr Valialkin
efc7ad88ec app/vmselect: mention command-line flag, which could be used for adjusting query timeouts, in timeout errors 2020-01-22 15:50:48 +02:00
Aliaksandr Valialkin
ec9651e266 app/vmselect/prometheus: increase default value -maxExportDuration to 30 days, since 10 minutes beat users exporting bit amounts of data 2020-01-22 15:50:47 +02:00
Aliaksandr Valialkin
a8b2f82fc6 vendor: update github.com/VictoriaMetrics/fastcache from v1.5.5 to v1.5.7 2020-01-22 12:31:32 +02:00
Aliaksandr Valialkin
582dd01f42 app/vmselect/promql: add range_over_time(m[d]) function for calculating value range for m over d 2020-01-21 19:05:17 +02:00
Aliaksandr Valialkin
36973ee975 app/vmselect/promql: add label_match(q, label, regexp) and label_mismatch(q, label, regexp) functions for filtering out time series with labels matching the given regexp 2020-01-21 15:00:20 +02:00
Aliaksandr Valialkin
6665f10e7b lib/{mergeset,storage}: properly update lastAccessTime in index and data block cache entries 2020-01-20 14:59:47 +02:00
Aliaksandr Valialkin
04363d6511 README.md: mention that delete API shouldnt be used on a regular basis due to non-zero overhead 2020-01-20 13:28:36 +02:00
Aliaksandr Valialkin
c97ade4487 docs/FAQ.md: typo fix according to comment from https://www.reddit.com/message/messages/lezkmo 2020-01-18 18:05:13 +02:00
Aliaksandr Valialkin
970f0dfbf2 docs/CaseStudies.md: add links to COLOPL talk about VictoriaMetrics 2020-01-18 17:23:33 +02:00
Aliaksandr Valialkin
227cf53ef9 app/vminsert: increase default value for -insert.maxQueueDuration from 30s to 60s 
This should help catching up with high ingestion rate after VictoriaMetrics restart.
 2020-01-18 14:39:36 +02:00
Aliaksandr Valialkin
257e61195a lib/uint64set: add missing bucket32.b16his values 2020-01-18 14:26:04 +02:00
Aliaksandr Valialkin
4cc0c44b9e lib/uint64set: optimize Set.Union 
This should improve performance for queries over big number of time series
 2020-01-18 13:47:03 +02:00
Aliaksandr Valialkin
1b5f02e293 lib/uint64set: add benchmarks for Set.Union 2020-01-18 13:47:02 +02:00
Aliaksandr Valialkin
3748fb24b6 lib/storage: skip recovering timestamps order for lossless compression (PrecisionBits=64) 2020-01-18 00:09:33 +02:00
Aliaksandr Valialkin
c9472e4f3a all: use github.com/klauspost/compress/gzip instead of compress/gzip 
`github.com/klauspost/compress/gzip` is more optimized than `compress/gzip`.
This gives better gzip compression and decompression speeds.
 2020-01-17 23:58:46 +02:00
Aliaksandr Valialkin
bc0f897fcb lib/uint64set: reduce memory allocations in Set.AppendTo 2020-01-17 22:33:09 +02:00
Aliaksandr Valialkin
f9289b804a lib/storage: reduce memory allocations when merging metricID sets 2020-01-17 22:10:44 +02:00
Aliaksandr Valialkin
0c8ad08578 lib/uint64set: typo fix in Set.Intersect 2020-01-17 18:10:58 +02:00
Aliaksandr Valialkin
cdcacaea6d app/vmselect/netstorage: make fmt 2020-01-17 17:47:21 +02:00
Aliaksandr Valialkin
7327adbc86 app/vmselect/netstorage: limit the maximum size for in-memory buffer for temporary blocks file 
This should reduce memory usage on systems with more than 8GB RAM.
 2020-01-17 16:28:21 +02:00
Aliaksandr Valialkin
9f027ec176 lib/uint64set: optimize Intersect, Subtract and Union functions 
This should improve performance for queries over big number of time series.
 2020-01-17 16:11:49 +02:00
Aliaksandr Valialkin
cd53f7d177 lib/uint64set: improve benchmark for Set.Intersect 2020-01-17 16:08:17 +02:00
Aliaksandr Valialkin
d0d258b314 app/vmselect: limit the default value for -search.maxConcurrentRequests, so it plays well on systems with more than 16 vCPUs 
A single heavy request can saturate all the available CPUs, so let's limit the number of concurrent requests to lower value.
This will give more chances for executing insert path.
 2020-01-17 15:43:54 +02:00
Aliaksandr Valialkin
d88725f133 app/{vminsert,vmselect}: improve error messages when VictoriaMetrics cannot handle too high number of concurrent inserts / selects 2020-01-17 13:24:37 +02:00
Aliaksandr Valialkin
8dbf430469 lib/uint64set: add benchmark for Set.Intersect 2020-01-17 00:31:07 +02:00
Aliaksandr Valialkin
9ef4d32a9a make vendor-update 2020-01-16 14:14:19 +02:00
Aliaksandr Valialkin
0d7505b00e all: mention command-line flags used for limiting the incoming request size in error messages 
This should improve error logs usability.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/287
 2020-01-16 13:03:30 +02:00
Aliaksandr Valialkin
2839f4688a app/vmselect/promql: fix panic on sum(aggr_over_time(...)) with incorrect number of args 2020-01-15 16:26:09 +02:00
Aliaksandr Valialkin
605d588ba6 lib/uint64set: reduce memory usage in Union, Intersect and Subtract methods 
Iterate items with newly added Set.ForEach method instead of allocating `[]uint64`
slice for all the items before the iteration.
 2020-01-15 12:12:49 +02:00
Aliaksandr Valialkin
7483deccca docs/FAQ.md: add bullet comparison with Cortex and Thanos 2020-01-15 10:47:40 +02:00
Aliaksandr Valialkin
893b62c682 lib/{mergeset,storage}: fix uint64 counters alignment for 32-bit architectures (GOARCH=386, GOARCH=arm) 2020-01-14 22:47:04 +02:00
Aliaksandr Valialkin
7830c10eb2 lib/{storage,mergeset}: gradually remove stale entries from block cache and index caches 
This should reduce memory usage in the long run when old blocks and indexes
aren't accessed anymore.
 2020-01-14 21:38:44 +02:00
Aliaksandr Valialkin
e4f1bfd221 deployment/docker: update Prometheus from v2.14.0 to v2.15.2 and Grafana from v6.5.0 to v6.5.2 2020-01-12 23:14:10 +02:00
Aliaksandr Valialkin
91ee1bce2e README.md: add a link to VictoriaMetrics subreddit - https://www.reddit.com/r/VictoriaMetrics/ 2020-01-12 00:06:20 +02:00
Aliaksandr Valialkin
8b14572f70 app/vmselect/promql: add hoeffding_bound_upper(phi, m[d]) and hoeffding_bound_lower(phi, m[d]) functions 
These functions can be used for calculating Hoeffding bounds
for `m` over `d` time range and for the given `phi` in the range `[0..1]`.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/283
 2020-01-11 14:46:23 +02:00
Aliaksandr Valialkin
8eaced8cae app/vmselect/promql: return continuous values for min_over_time and max_over_time when step is smaller than scrape_interval 2020-01-11 12:47:50 +02:00
Aliaksandr Valialkin
1585dab5a3 deployment/docker: switch Go builder from v1.13.5 to v1.13.6 2020-01-11 11:06:00 +02:00
Aliaksandr Valialkin
cd66d3fc43 README.md: mention about Prometheus->VictoriaMetrics exporter https://github.com/ryotarai/prometheus-tsdb-dump 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/93
 2020-01-11 01:29:09 +02:00
Aliaksandr Valialkin
ea231f8167 app/victoria-metrics: adjust integration tests after the commit 99facd71cd6ac151d512cea1df73be91c10c7f83 2020-01-11 00:58:16 +02:00
Aliaksandr Valialkin
46bfdbe6cf app/vmselect/promql: do not take into account the previous point before time window in square brackets for min_over_time, max_over_time, rollup_first and rollup_last functions 
This makes the behaviour for these functions similar to Prometheus when processing broken time series with irregular data points
like `gitlab_runner_jobs`. See https://gitlab.com/gitlab-org/gitlab-exporter/issues/50 for details.
 2020-01-11 00:26:26 +02:00
Aliaksandr Valialkin
4f0a645f77 vendor: update github.com/valyala/fastjson from v1.4.2 to v1.4.5 
This should fix parsing Inf values in `/api/v1/import`. The previous attempt to fix this in VictoriaMetrics v1.32.1 was unsuccessful.
 2020-01-10 23:15:15 +02:00
Aliaksandr Valialkin
b829fe5e39 app/vmselect/promql: properly handle aggr(aggr_over_time(...)) 2020-01-10 21:57:18 +02:00
Aliaksandr Valialkin
164278151f app/vmselect/promql: add aggr_over_time(("aggr_func1", "aggr_func2", ...), m[d]) function 
This function can be used for simultaneous calculating of multiple `aggr_func*` functions
that accept range vector. For example, `aggr_over_time(("min_over_time", "max_over_time"), m[d])`
would calculate `min_over_time` and `max_over_time` for `m[d]`.
 2020-01-10 21:18:06 +02:00
Aliaksandr Valialkin
c4632faa9d app/vmselect/promql: add tmin_over_time(m[d]) and tmax_over_time(m[d]) functions 
These functions return timestamp in seconds for the minimum and maximum value for `m` over time range `d`
 2020-01-10 19:39:28 +02:00