Commit graph

1171 commits

Author SHA1 Message Date
Aliaksandr Valialkin
6be10fb2ff
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files 2023-11-02 21:33:03 +01:00
Aliaksandr Valialkin
65db6609eb
docs/CHANGELOG.md: update the description of the optimization for SLO/SLI-like queries according to latest changes
See commits 4497a08e3d and 92826b0b4a
2023-11-02 20:05:05 +01:00
Aliaksandr Valialkin
eeb25bc4a5
app/vmselect/promql: add missing trace message in rollupResultCache.GetSeries() 2023-11-02 09:22:48 +01:00
Aliaksandr Valialkin
4497a08e3d
app/vmselect/promql: reduce the minimum lookbehind window for enabling SLO/SLI optimizations from 24 hours to 6 hours
This reduction is based on production testing.

Also expose -search.minWindowForInstantRollupOptimization command-line flag, so users could fine-tune this arg for their needs
2023-11-01 20:18:44 +01:00
Aliaksandr Valialkin
f59dda3223
app/vmselect: run make quicktemplate-gen after b8739bc00b 2023-11-01 17:52:56 +01:00
Aliaksandr Valialkin
b8739bc00b
app/vmselect: return stats.seriesFetched as string instead of number
vmalert expects string value for stats.seriesFetched, so it is impossible
switching to number without breaking compatibility with old vmalert releases :(

It is still unclear why stats.seriesFetched has string type in the first place...
2023-11-01 17:49:59 +01:00
Aliaksandr Valialkin
da887b49e7
app/vmui: show query execution duration in the header of query input field
This should simplify the process of query optimization
2023-11-01 16:43:51 +01:00
Aliaksandr Valialkin
92826b0b4a
app/vmselect/promql: apply SLO-like optimization to all the count_*_over_time() functions
This is a follow-up for 41a0fdaf39
2023-11-01 09:58:16 +01:00
Aliaksandr Valialkin
0189081490
app/vmselect/promql: typo fix, which could lead to panic during range query execution
The panic is:

  BUG: unexpected values after merging new values

This is a follow-up for 41a0fdaf39
2023-11-01 09:58:15 +01:00
Aliaksandr Valialkin
c4c6ee9485
app/vmui: fix non-working Disable cache checkbox at JSON and Table views 2023-10-31 22:58:06 +01:00
Aliaksandr Valialkin
a70818f72f
app/vmselect/promql: properly calculate rollup result if lookbehind window isn't set
This is a follow-up for 41a0fdaf39
2023-10-31 22:22:37 +01:00
Aliaksandr Valialkin
ea81f6fc36
app/vmselect/promql: add outliers_iqr(q) and outlier_iqr_over_time(m[d]) functions
These functions allow detecting anomalies in series and samples using Interquartile range method.
See Outliers section at https://en.wikipedia.org/wiki/Interquartile_range for more details.
2023-10-31 22:10:31 +01:00
Aliaksandr Valialkin
7a503e0c91
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files 2023-10-31 20:28:01 +01:00
Aliaksandr Valialkin
41a0fdaf39
app/vmselect/promql: optimize repeated SLI-like instant queries with lookbehind windows >= 1d
Repeated instant queries with long lookbehind windows, which contain one of the following rollup functions,
are optimized via partial result caching:

- sum_over_time()
- count_over_time()
- avg_over_time()
- increase()
- rate()

The basic idea of optimization is to calculate

  rf(m[d] @ t)

as

  rf(m[offset] @ t) + rf(m[d] @ (t-offset)) - rf(m[offset] @ (t-d))

where rf(m[d] @ (t-offset)) is cached query result, which was calculated previously

The offset may be in the range of up to 1 hour.
2023-10-31 19:25:23 +01:00
Aliaksandr Valialkin
51aab7bb17
app/vmselect/promql: wrap too long line after a950873fff 2023-10-31 18:59:10 +01:00
Roman Khavronenko
a950873fff
app/vmselect: expose vm_memory_intensive_queries_total counter metric (#5208)
The new metric gets increased each time `-search.logQueryMemoryUsage` memory limit
is exceeded by a query. This metric should help to identify expensive and heavy queries
without inspecting the logs.

Signed-off-by: hagen1778 <roman@victoriametrics.com>
2023-10-31 13:31:09 +01:00
Aliaksandr Valialkin
9149353a36
app/vmui: change the order of tables at Top queries tab
Move the most interesting table - queries with the most summary time to execute - to the top
2023-10-28 11:56:16 +02:00
Aliaksandr Valialkin
42dd71bb63
all: consistently use %w instead of %s in when error is passed to fmt.Errorf()
This allows consistently using errors.Is() for verifying whether the given error wraps some other known error.
2023-10-25 21:24:03 +02:00
Roman Khavronenko
b8b6e120ff
app/vmselect: limit the number of parallel workers by 32 (#5195)
* app/vmselect: limit the number of parallel workers by 32

The change should improve performance and memory usage during query processing
on machines with big number of CPU cores. The number of parallel workers for
query processing is controlled via `-search.maxWorkersPerQuery` command-line flag.
By default, the number of workers is limited by the number of available CPU cores,
but not more than 32. The limit can be increased via `-search.maxWorkersPerQuery`.

Signed-off-by: hagen1778 <roman@victoriametrics.com>

* wip

- The `-search.maxWorkersPerQuery` command-line flag doesn't limit resource usage,
  so move it from the `resource usage limits` to `troubleshooting` chapter at docs/Single-server-VictoriaMetrics.md

- Make more clear the description for the `-search.maxWorkersPerQuery` command-line flag

- Add the description of `-search.maxWorkersPerQuery` to docs/Cluster-VictoriaMetrics.md

- Limit the maximum value, which can be passed to `-search.maxWorkersPerQuery`, to GOMAXPROCS,
  because bigger values may worsen query performance and increase CPU usage

- Improve the the description of the change at docs/CHANGELOG.md. Mark it as FEATURE instead of BUGFIX,
  since it is closer to a feature than to a bugfix.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5087

---------

Signed-off-by: hagen1778 <roman@victoriametrics.com>
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2023-10-18 19:51:37 +02:00
Aliaksandr Valialkin
da77f4deeb
app/vmselect/promql: add labels_equal(q, "label1", "label2", ...) function
This function returns q series, which have identical values for the listed labels
"label1", "label2", ...

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5148
2023-10-16 21:50:11 +02:00
Aliaksandr Valialkin
bdb743c88d
app/vmselect/promql: add drop_empty_series() function for dropping empty series before performing additional calculations
This can be useful in the following queries:

   drop_empty_series(temperature <= 30) default 40

This query drops temperature series with all the values bigger than 30 on the selected time range,
while replacing gaps in the remaining series with 40.

The query without drop_empty_series:

  (temperature <= 30) default 40

would leave all the temperature series with all the values bigger than 30 on the selected time range,
and replace all their values with 40. This is not what could be epxected in some cases
like here - https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5071
2023-10-16 20:44:56 +02:00
Aliaksandr Valialkin
97a7128e4b
app/vmselect/promql: do not use unsafe conversion from bytes slice to string when storing a value by map key
The assigned map key shouldn't change over time, otherwise the map won't work properly.

This is a follow-up for 1f91f22b5f
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5087
2023-10-16 01:56:57 +02:00
Aliaksandr Valialkin
930a36df40
app/vmui: small UX enhancements
- Reduce vertical space usage, so more information is available on the screen without the need to scroll.
- Show information for lines with higher values at the top of the legend under the graph.
  This should simplify graph analysis when it contains many lines.
2023-10-12 19:54:19 +02:00
Aliaksandr Valialkin
31f7ef0811
app/{vmselect,vlselect}: enable caching of static contents from /vmui/static/ folder at client side
This should improve repated VMUI page load times on slow networks

See https://developer.chrome.com/docs/lighthouse/performance/uses-long-cache-ttl/
2023-10-12 09:33:40 +02:00
Nikolay
1f91f22b5f
app/vmselect: reduce lock contention for heavy aggregation requests (#5119)
reduce lock contention for heavy aggregation requests
previously lock contetion may happen on machine with big number of CPU due to enabled string interning. sync.Map was a choke point for all aggregation requests.
Now instead of interning, new string is created. It may increase CPU and memory usage for some cases.
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5087
2023-10-10 13:45:20 +02:00
Aliaksandr Valialkin
31a3672982
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files 2023-10-02 22:36:23 +02:00
Aliaksandr Valialkin
55e9a9e3a0
app/{vmselect,vlselect}: run make vmui-update vmui-logs-update 2023-10-02 21:44:03 +02:00
Aliaksandr Valialkin
71668637ce
app/vmselect/promql: follow-up for 896c85a4a4
- Clarify the description of the change at docs/CHANGELOG.md
- Make sure that bitmap_*(X, NaN) returns NaN

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4996
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/pull/5021
2023-10-02 20:08:26 +02:00
Dmytro Kozlov
896c85a4a4
app/vmselect: fix bitmap_*() functions behavior (#5021)
Related issue: https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4996

Signed-off-by: dmitryk-dk d.kozlov@victoriametrics.com

Signed-off-by: dmitryk-dk d.kozlov@victoriametrics.com
Co-authored-by: Nikolay <nik@victoriametrics.com>
2023-09-29 12:03:01 +02:00
Aliaksandr Valialkin
e453069dcd
app/vmselect/promql: run make fmt after 3b9605dba5 2023-09-25 16:16:14 +02:00
Aliaksandr Valialkin
3b9605dba5
app/vmselect/promql: do not sort q1 or q2 results
This makes sure that `q2` series are returned after `q1` series in the same way as Prometheus does

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4763
2023-09-25 16:14:16 +02:00
Aliaksandr Valialkin
a740159541
app/vmselect/promql: completely substitute median_over_time() WITH template with regular median_over_time() rollup function
This is a follow-up for 34d7a670d0

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5034
2023-09-25 15:28:12 +02:00
Zakhar Bessarab
34d7a670d0
app/vmselect/promql: add implementation of median_over_time for rollup functions list (#5042)
`median_over_time` is handled by predefined WITH template in MetricsQL library which translates it to `quantile_over_time(0.5)`
This makes it impossble to use `median_over_time` as a usual rollup function for `aggr_over_time`.

See: https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5034

Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com>
2023-09-25 14:01:00 +02:00
Aliaksandr Valialkin
b80ebb8bfd
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files 2023-09-19 01:15:00 +02:00
Konstantin
f7dda12b4d
app/vmselect: return +Inf as null in graphite render api (#5009)
Signed-off-by: Konstantin Kulikov <k.kulikov2@gmail.com>
2023-09-15 19:23:59 +02:00
Dmytro Kozlov
d5f9619984
vmagent: add validation of MetricsQL functions (#4991)
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2023-09-15 13:15:23 +02:00
Aliaksandr Valialkin
af85055f3a
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files 2023-09-09 06:18:18 +02:00
Aliaksandr Valialkin
081476f3d6
app/vmselect: run make vmui-update 2023-09-06 10:29:11 +02:00
Aliaksandr Valialkin
f075977045
app/vmselect: run make vmui-update after c112dd7367 2023-09-01 10:54:06 +02:00
Aliaksandr Valialkin
edee262ecc
Makefile: update golangci-lint from v1.51.2 to v1.54.2
See https://github.com/golangci/golangci-lint/releases/tag/v1.54.2
2023-09-01 10:16:42 +02:00
Aliaksandr Valialkin
1c0e065216
app/vmselect/promql: add support for _ delimiters in numeric values
For example, 1_234_567_890 is equivalent to 1234567890,
while 1.234_567_890 is equivalent to 1.234567890
2023-08-30 14:33:41 +02:00
Aliaksandr Valialkin
281a37f6f2
app/{vmselect,vlselect}: run make vmui-update vmui-logs-update after recent changes to app/vmui 2023-08-29 12:58:44 +02:00
hagen1778
ea2fbcf0e6
vmselect: follow-up after 7349f18c55
7349f18c55
Signed-off-by: hagen1778 <roman@victoriametrics.com>
2023-08-21 15:34:21 +02:00
Tamara Vashchuk
7349f18c55
vmui: Add button to prettify query (#4694)
* Add button to prettify query

Just capitalizes query text for now

* Add /prettify-query API handler

* Replace UI pretiffier using prettifier API

* Add showing server errors

Had to pass setQueryErrors from useFetchQuery.ts

* Use serverUrl from global AppState

* Change icon to AutoAwsome icon + added style change color when button is active

* Add sync/await to prettifyQuery function

* Doc public function for lint

* Minor async fix

* Removed extra blank lines

* Extract usePrettifyQuery hook

* Made more generic style for :active button

* Refactor usePrettifyQuery

However, prettify errors don't clean up query errors, but should

* Add prettyQuery functionality to CHANGELOG.md

* Reuse queryErrors

* Unhide errors on start

---------

Co-authored-by: Tamara <toma.vashchuk@gmail.com>
2023-08-18 20:12:48 +03:00
Aliaksandr Valialkin
214be01dfa
app/vmselect/netstorage: remove duplicate see word from the error message
This is a follow-up for ac6c40e896

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4827
2023-08-14 02:05:44 -07:00
Aliaksandr Valialkin
ac6c40e896
all: refer to https://docs.victoriametrics.com/#resource-usage-limits in the error message about -search.max* limit
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4827
2023-08-14 01:57:34 -07:00
Aliaksandr Valialkin
e29fe89791
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files 2023-08-12 06:01:30 -07:00
Aliaksandr Valialkin
072d891ed9
app/vmselect: prevent from panic when lookbehind window inside rollup function is parsed into negative value
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/4795
2023-08-12 04:47:53 -07:00
Aliaksandr Valialkin
acbe327fdf
app/{vmselect,vlselect}: run make vmui-update vmui-logs-update after 86f1459ca6 2023-08-11 07:00:39 -07:00
Aliaksandr Valialkin
978594f50f
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files 2023-08-11 06:45:26 -07:00