Aliaksandr Valialkin
107607bf47
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files
2022-02-07 18:34:47 +02:00
Aliaksandr Valialkin
96b7de6736
app/vmselect/promql: clarify comments on why the right side of if and and operators are executed at first
2022-02-03 00:26:14 +02:00
Aliaksandr Valialkin
78b028064f
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files
2022-02-02 23:58:11 +02:00
Aliaksandr Valialkin
4b850c2a59
app/vmselect/promql: do not push down filters, which enumerate more than 10k unique values
...
Such filters may slow down time series search, so just skip them.
This is a follow-up for e7f1ceeb84https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1827
2022-02-02 23:40:02 +02:00
Aliaksandr Valialkin
2016a2c899
app/vmselect/promql: properly handle foo or bar queries
...
Such queries may miss `bar` results after the commit e7f1ceeb84
2022-02-01 17:40:51 +02:00
Aliaksandr Valialkin
4bdd10ab90
lib/bytesutil: split Resize* funcs to MayOverallocate and NoOverallocate for more fine-grained control over memory allocations
...
Follow-up for f4989edd96https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2007
2022-02-01 00:18:42 +02:00
Aliaksandr Valialkin
a8d22e1223
app/vmselect/promql: check for binary operation in case-insensitive manner when deciding which side of the operation to perform the first
...
PromQL and MetricsQL operators are case-insensitive
2022-01-31 22:06:15 +02:00
Aliaksandr Valialkin
e7f1ceeb84
app/vmselect/promql: optimize queries, which join on _info metrics.
...
Automatically add common filters from one side of binary operation
to the other side before sending the query to storage subsystem.
See https://grafana.com/blog/2021/08/04/how-to-use-promql-joins-for-more-effective-queries-of-prometheus-metrics-at-scale/
and https://www.robustperception.io/exposing-the-software-version-to-prometheus
2022-01-31 19:32:36 +02:00
Aliaksandr Valialkin
7edf8be3bc
app/vmselect/vmui: make vmui-update
2022-01-31 12:36:59 +02:00
Aliaksandr Valialkin
74a2297dcc
app/vmselect/vmui: make vmui-update after e3995572bb
2022-01-25 17:51:46 +02:00
Aliaksandr Valialkin
db286fdd73
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files
2022-01-25 15:33:35 +02:00
Aliaksandr Valialkin
f4989edd96
lib/bytesutil: split Resize() into ResizeNoCopy() and ResizeWithCopy() functions
...
Previously bytesutil.Resize() was copying the original byte slice contents to a newly allocated slice.
This wasted CPU cycles and memory bandwidth in some places, where the original slice contents wasn't needed
after slize resizing. Switch such places to bytesutil.ResizeNoCopy().
Rename the original bytesutil.Resize() function to bytesutil.ResizeWithCopy() for the sake of improved readability.
Additionally, allocate new slice with `make()` instead of `append()`. This guarantees that the capacity of the allocated slice
exactly matches the requested size. The `append()` could return a slice with bigger capacity as an optimization for further `append()` calls.
This could result in excess memory usage when the returned byte slice was cached (for instance, in lib/blockcache).
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2007
2022-01-25 15:24:44 +02:00
Aliaksandr Valialkin
285bb2bbec
app/vmselect/vmui: make vmui-update
2022-01-24 12:19:49 +02:00
Aliaksandr Valialkin
e8ff658b2e
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files
2022-01-23 13:24:13 +02:00
Yury Molodov
ad5059f2d3
vmui: fixed display type switching ( #2088 )
...
* fix: correct switch display type
* docs/CHANGELOG.md: document the bugfix
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2022-01-21 16:56:22 +02:00
Yury Molodov
adbb821eac
vmui: fix time range selector ( #2085 )
...
* fix: add date validate for time range
* app/vmselect/vmui: `make vmui-update`
* docs/CHANGELOG.md: document the bugfix
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2022-01-21 12:02:38 +02:00
Aliaksandr Valialkin
e1668e7441
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files
2022-01-18 23:29:16 +02:00
Aliaksandr Valialkin
d79a915583
app/vmui: fix last 6 months time range picker
...
Previously it was incorrectly selecting 6 minutes instead of 6 months.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1960
2022-01-18 23:28:10 +02:00
Aliaksandr Valialkin
8d6d4e8033
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files
2022-01-18 22:38:35 +02:00
Aliaksandr Valialkin
672fcba223
app/vmui: properly calculate graph range for y axis
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2037
2022-01-18 22:22:24 +02:00
Aliaksandr Valialkin
5a77c86e97
app/vmui: reduce the refresh interval during graph scrolling/zooming from 1 second to 300 milliseconds
...
One second feels too laggy, so let's reduce the refresh interval to 300 milliseconds.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2064
2022-01-18 21:48:12 +02:00
Yury Molodov
8bdc45ba00
fix: remove buffer period ( #2078 )
...
* fix: remove buffer period
* app/vmselect/vmui: `make vmui-update`
* docs/CHANGELOG.md: document the implemented feature
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2064
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2022-01-18 21:42:56 +02:00
Yury Molodov
70737ea4ac
vmui: correct url encoding ( #2067 )
...
* fix: correct encode multi-line queries
* fix: change autocomplete for correct arrows work
* app/vmselect/vmui: `make vmui-update`
* docs/CHANGELOG.md: document the bugfix for https://github.com/VictoriaMetrics/VictoriaMetrics/issues/2039
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2022-01-18 21:31:46 +02:00
Yury Molodov
8e3f9c1fbb
vmui: correct calc axes limits ( #2058 )
...
* fix: correct calc axes limits
* app/vmselect/vmui: `make vmui-update`
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2022-01-18 15:43:41 +02:00
Yury Molodov
fcd33fc409
vmui: change layout ( #2054 )
...
* fix: change query reset
* feat: replace @codemirror to text field
* feat: switch to Preact from React
* fix: optimize mui imports
* feat: move time selector to Header
* checkout
* fix: remove unused vars
* update package-lock.json
* fix: correct styles
* app/vmselect/vmui: `make vmui-update`
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2022-01-18 12:44:22 +02:00
Aliaksandr Valialkin
b894f25f21
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files
2022-01-17 15:51:07 +02:00
Aliaksandr Valialkin
dc7b63a793
app/vmselect/promql: properly keep metric names when optimized path is used for aggregate function calculations
...
For example, `sum(rate(...) keep_metric_names) by (__name__)` didn't leave the original metric name because of this issue.
This is a follup-up for 1bdc71d917https://github.com/VictoriaMetrics/VictoriaMetrics/issues/949
2022-01-17 15:30:30 +02:00
Aliaksandr Valialkin
1bdc71d917
app/vmselect/promql: implement keep_metric_names modifier for transform and rollup functions
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/949
2022-01-14 04:14:59 +02:00
Aliaksandr Valialkin
f41846d002
app/vmselect/promql: add stale_samples_over_time() function
2022-01-14 01:48:04 +02:00
Aliaksandr Valialkin
c883c15878
app/vmselect/promql: add support for @ modifier
...
Add support for `@` modifier in MetricsQL according to https://prometheus.io/docs/prometheus/latest/querying/basics/#modifier
Extend the support with the following features:
* Allow using `@` modifier everywhere in the query. For example, `sum(foo) @ end()`
* Allow using arbitrary expression as `@` modifier. For example, `foo @ (end() - 1h)`
returns `foo` value at `end - 1 hour` timestamp on the selected time range `[start ... end]`
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1348
2022-01-13 22:12:06 +02:00
Aliaksandr Valialkin
9469696e46
app/vmselect/promql: fix limit_offset() test
...
The test has been broken in addae7fc6a
2022-01-13 16:59:28 +02:00
Yury Molodov
7d5ed49d23
vmui: switching to Preact ( #2053 )
...
* feat: replace @codemirror to text field
* feat: switch to Preact from React
* fix: optimize mui imports
* fix: remove unused vars
* update package-lock.json
* app/vmselect/vmui: `make vmui-update`
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2022-01-11 10:32:17 +02:00
Aliaksandr Valialkin
3f5b1084eb
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files
2022-01-07 12:36:24 +02:00
Aliaksandr Valialkin
ceade70d4e
app/vmselect/vmui: run make vmui-update after 89ff7b2465
2022-01-03 21:03:37 +02:00
Yury Molodov
681a800086
vmui: legend fixes ( #1995 )
...
* feat: add a reset query by clicking the logo
* feat: add sequence number for query fields
* feat: invert behavior on the graph's legend
* app/vmselect/vmui: `make vmui-update`
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2021-12-23 12:14:16 +02:00
Roman Khavronenko
543bd0ea0c
vmselect: update /query_exemplars placeholder ( #2000 )
...
Grafana expects `data` in response to be a slice and logs an err
if it is not:
```
err="[]v1.ExemplarQueryResult: decode slice: expect [ or n, but found , error found in #0 byte of ...||..., bigger context ...||..."
```
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1999
Signed-off-by: hagen1778 <roman@victoriametrics.com>
2021-12-23 11:53:50 +02:00
Yury Molodov
4b40acd964
vmui: add custom start range ( #1989 )
...
* feat: add custom start range
* app/vmselect/vmui: `make vmui-update`
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2021-12-21 20:19:33 +02:00
Aliaksandr Valialkin
c2e9be96a7
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files
2021-12-20 19:11:26 +02:00
Yury Molodov
718c352946
vmui: graph fixes ( #1982 )
...
* fix: remove disabling custom step when zooming
* feat: add a dynamic calc of the width of the graph
* fix: add validate y-axis limits
* fix: correct axis limits for value 0
* fix: change logic create time series
* fix: change types for tooltip
* fix: correct points on the line
* fix: change the logic for set graph width
* fix: stop checking the period when auto-refresh is enabled
* app/vmselect/vmui: `make vmui-update`
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2021-12-20 17:37:02 +02:00
Aliaksandr Valialkin
a72dadb8f4
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files
2021-12-20 13:53:03 +02:00
Aliaksandr Valialkin
6d77cc9b08
app/vmselect/vmui: make vmui-update
2021-12-20 13:51:02 +02:00
Aliaksandr Valialkin
974d9c0eee
app/vmselect/promql: follow-up after 177e345d8a
...
* Document changes_prometheus(), increase_prometheus() and delta_prometheus() functions.
* Simplify their implementation
* Mention these functions in docs/CHANGELOG.md
2021-12-20 13:19:44 +02:00
匠心零度
177e345d8a
add Prometheus semantics function :changes_prometheus、delta_prometheus、increase_prometheus ( #1972 )
...
Co-authored-by: lirenzuo <lirenzuo@shein.com>
2021-12-20 12:32:43 +02:00
Aliaksandr Valialkin
08219faf8d
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files
2021-12-17 20:21:56 +02:00
Aliaksandr Valialkin
e6d4641bf0
app/vmselect/vmui: make vmui-update
2021-12-17 11:01:09 +02:00
Aliaksandr Valialkin
193331d522
app/vmselect: de-duplicate data exported via /api/v1/export/csv by default
...
Previously the exported data wasn't de-duplicated.
Now it is possible to export the raw data without deduplication
by passing reduce_mem_usage=1 query arg to /api/v1/export/csv
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1837
2021-12-17 10:57:39 +02:00
Aliaksandr Valialkin
5efe377a26
app/vmselect/promql: add timestamp_with_name(m[d]) function
...
This function works the same as `timestamp()`, but doesn't remove source time series names.
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/949#issuecomment-995222388
2021-12-15 23:37:07 +02:00
Yury Molodov
9baad51004
vmui: introduce application mode ( #1949 )
...
* feat: add a label for the Query field
* fix: change zoom position
* fix: add description and error code to alerts
* fix: correct logic query history
* fix: correct update query history
* feat: add custom step
* update package-lock.json
* feat: introduce application mode
* build vmui
* Revert "build vmui"
This reverts commit c0e2415550
2021-12-15 21:33:25 +02:00
Aliaksandr Valialkin
288620ca40
lib/storage: initial support for multi-level downsampling
...
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/36
Based on https://github.com/valyala/VictoriaMetrics/pull/203
2021-12-15 16:42:44 +02:00
Aliaksandr Valialkin
2847c84a7b
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files
2021-12-15 16:41:56 +02:00
Aliaksandr Valialkin
92070cbb67
lib/storage: return dedup interval in milliseconds from GetDedupInterval()
...
This removes duplicate .Milliseconds() calls after GetDedupInterval() calls.
2021-12-15 13:26:38 +02:00
Aliaksandr Valialkin
1d20a19c7d
lib/storage: explicitly pass dedupInterval to DeduplicateSamples() and deduplicateSamplesDuringMerge()
...
This improves the code readability and debuggability, since the output of these functions
stops depending on global state.
2021-12-14 20:49:12 +02:00
Aliaksandr Valialkin
6a64823581
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files
2021-12-14 19:57:21 +02:00
Yury Molodov
49e6a921df
vmui: custom step ( #1942 )
...
* feat: add a label for the Query field
* fix: change zoom position
* fix: add description and error code to alerts
* fix: correct logic query history
* fix: correct update query history
* feat: add custom step
* update package-lock.json
* docs: document that VMUI now supports overriding of `step` query arg, which is passed to `/api/v1/query_range`
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2021-12-14 14:51:45 +02:00
Yury Molodov
b5b701d590
vmui: minor fixes ( #1936 )
...
* feat: add a label for the Query field
* fix: change zoom position
* fix: add description and error code to alerts
* fix: correct logic query history
* fix: correct update query history
* app/vmselect/vmui: `make vmui-update`
* docs/CHANGELOG.md: document bugfixes
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2021-12-13 13:42:37 +02:00
Aliaksandr Valialkin
ce80a0ce5e
app/vmselect/vmui: make vmui-update
2021-12-13 13:32:54 +02:00
Yury Molodov
7c3b6365f0
vmui: add a label for the Query field ( #1923 )
...
* feat: add a label for the Query field
* app/vmselect/vmui: `make vmui-update`
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2021-12-12 19:06:39 +02:00
Aliaksandr Valialkin
d1f8915ed1
app/vmselect/promql: preserve the order of time series passed to limit_offset() function
...
Previously time series passed to `limit_offset()` were shuffled according to hash for their labels.
This was unexpected behaviour for most users.
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1920 and https://github.com/VictoriaMetrics/VictoriaMetrics/issues/951
2021-12-12 18:04:58 +02:00
Yury Molodov
c1fd93e8a0
vmui: multiple queries ( #1916 )
...
* feat: change duration by "enter"
* fix: optimize data processing for chart
* feat: set minimum step to 1ms
* update dependencies
* feat: remove save the last query to local storage
* fix: handle an error in a table with subqueries
* feat: store display type in URL
* Revert "feat: store display type in URL"
This reverts commit ccc242c69a
2021-12-08 16:40:15 +02:00
Aliaksandr Valialkin
ff15a752c1
app/vmselect: accept optional extra_filters[] query args for all the supported Prometheus querying APIs
...
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1863
2021-12-06 17:07:09 +02:00
Aliaksandr Valialkin
732a0cd3e1
app/vmselect/vmui: make vmui-update
2021-12-06 10:19:09 +02:00
Aliaksandr Valialkin
b94e986710
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files
2021-12-02 15:03:46 +02:00
Aliaksandr Valialkin
f67427ae61
app/vmselect/vmui: make vmui-update
2021-11-30 01:38:24 +02:00
Yury Molodov
1b58d126c0
vmui: optimize render ( #1852 )
...
* feat: change duration by "enter"
* fix: optimize data processing for chart
* feat: set minimum step to 1ms
* update dependencies
* update package-lock
* app/vmselect/vmui: `make vmui-update`
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2021-11-30 00:56:48 +02:00
Aliaksandr Valialkin
91243ad5cd
app/vmselect/vmui: make vmui-update
2021-11-29 21:55:08 +02:00
Aliaksandr Valialkin
ce31e837eb
app/vmselect/vmui: make vmui-update
2021-11-29 12:22:59 +02:00
Michael Fuller
cf8c171f85
vmselect: in promql evaluation, return bytes requested when rollup memory limiter is unable to satisfy the request ( #1838 )
...
Co-authored-by: Michael Fuller <mfuller@digitalocean.com>
2021-11-22 13:20:42 +03:00
Aliaksandr Valialkin
9bee043ff2
app/vmselect/promql: consistently return zero from deriv(const)
2021-11-17 18:02:05 +02:00
Aliaksandr Valialkin
b900560b83
app/vmselect/promql: add now() function, which returns the current timestamp as a floating-point value in seconds
2021-11-17 16:35:30 +02:00
Aliaksandr Valialkin
f43586c63c
app/vmselect/promql: arrange function names in the code in alphabetical order
...
This should simplify code maintenance in the future
2021-11-14 13:55:06 +02:00
Aliaksandr Valialkin
9fa098d8e3
app/vmselect/promql: prevent from incorrect calculations for deriv() over multiple samples with identical timestamps
2021-11-12 13:50:43 +02:00
Aliaksandr Valialkin
e5ac9d8e57
all: consistently return application/json content-type without charset=utf-8
...
The `application/json` content-type has utf-8 encoding by default.
See https://stackoverflow.com/questions/9254891/what-does-content-type-application-json-charset-utf-8-really-mean
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/pull/897
2021-11-09 18:04:44 +02:00
Aliaksandr Valialkin
840ac283ef
app/vmselect/promql: properly return durations smaller than one second from duration_over_time() function
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1780
2021-11-09 11:41:56 +02:00
Aliaksandr Valialkin
a29565d1bd
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files
2021-11-08 15:48:09 +02:00
Yury Molodov
b78ab88a1c
vmui: migration MUI Core v4 to v5 ( #1795 )
...
* migration MUI Core v4 to v5
* app/vmui: `make vmui-update`
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2021-11-08 15:45:59 +02:00
Aliaksandr Valialkin
39332cfc5c
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files
2021-11-08 13:56:29 +02:00
Aliaksandr Valialkin
3419ac1d36
app/vmselect/promql: add duration_over_time(m[d], max_interval) function
...
This function calculates the actual lifetime of the time series on the given lookbehdind window `d`
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1780
2021-11-08 13:14:09 +02:00
Yury Molodov
6d1d558c4f
vmui: fix graph reset ( #1788 )
...
* feat: add query history
* fix: change detect keyUp for nav query history
* feat: set default query history
* feat: change graph legend
* update dependencies
* update codemirror version
* fix: correct update period time after zoom/pan
* fix: optimize data processing for the graph
* fix: eliminate memory leaks related to mouse events
* fix: correct display of straight line
* Merge branch 'master' into vmui-fix-reset-graph
* app/vmselect: `make vmui-update`
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2021-11-05 20:56:57 +02:00
Aliaksandr Valialkin
2178335618
app/vmselect: make vmui-update
2021-11-04 12:13:12 +02:00
Aliaksandr Valialkin
27044b84d2
app/vmselect/promql: add limit_offset(limit, offset, q) function, which can be used for paging over big number of time series
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1778
2021-11-03 16:02:27 +02:00
Aliaksandr Valialkin
43a58bd618
app/vmselect/promql: add label_graphite_group() function for extracting groups from Graphite metric names
2021-11-03 13:19:08 +02:00
Yury Molodov
47ee3744f2
vmui: correct migration material-ui ( #1758 )
...
* migration material-ui
* fix: rollback popover
* app/vmselect: `make vmui-update`
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2021-10-27 20:41:26 +03:00
Aliaksandr Valialkin
1952ab99aa
all: fix build issues and tests for Apple M1
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1653
2021-10-27 15:06:34 +03:00
Yury Molodov
956cf83e7b
vmui: update dependencies ( #1754 )
...
* update dependencies
* update codemirror version
* app/vmui: `make vmui-update`
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2021-10-26 19:31:20 +03:00
Aliaksandr Valialkin
df8f967040
app/vmselect/promql: reduce the precision from 15 significant digits to 13 significant digits when comparing float64 results in tests
...
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1738
2021-10-24 13:31:14 +03:00
Aliaksandr Valialkin
d07d2811d4
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files
2021-10-22 19:41:51 +03:00
Yury Molodov
2b266cb87e
vmui: query history ( #1732 )
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* feat: add query history
* fix: change detect keyUp for nav query history
* feat: set default query history
* app/vmselect/vmui: `make vmui-update`
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2021-10-22 12:21:22 +03:00
Yury Molodov
a3e09a57c2
vmui: features ( #1711 )
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* feat: initial uPlot graph
* feat: add zoom/pan for graph
* fix: add zoom by ctrl/mac
* fix: remove unused code
* feat: add toggle cache for fetch
* feat: add fix y-axis limits
* fix: stop point events while panning
* fix: change getting cursor position when scaling
* feat: add cursor tooltip to graph
* fix: uninstall chart.js
* fix: change link for create an issue
* fix: set default cache value to true
* app/vmalert: follow-up after 0e2486df565416e18007
2021-10-18 15:16:57 +03:00
Aliaksandr Valialkin
da97e58979
app/vmselect/promql: randomize the static selection of time series returned from limitk()
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Sort series by a hash calculated from the series labels. This should guarantee "random" selection of the returned time series.
Previously the selection could be biased, since time series were sorted alphabetically by label names and label values.
2021-10-16 21:16:49 +03:00
Aliaksandr Valialkin
cae174b11c
app/vmselect/promql: typo fix in comment: didsn't -> didn't
2021-10-16 13:00:34 +03:00
Aliaksandr Valialkin
a5001b9c20
app/vmselect/promql: add atan2 binary operator, which is going to be added in Prometheus 2.31
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See https://github.com/prometheus/prometheus/pull/9248
2021-10-11 21:15:53 +03:00
Aliaksandr Valialkin
81c6720392
app/vmselect/promql: add missing trigonometric functions, which are going to be added in Prometheus 2.31
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See https://github.com/prometheus/prometheus/issues/9233
2021-10-11 21:01:33 +03:00
Aliaksandr Valialkin
92b92d4d2c
app/vmselect/promql: consistently return the same set of time series from limitk() function
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This is the expected behaviour by most users.
2021-10-08 19:53:52 +03:00
Aliaksandr Valialkin
307034fc2f
Merge branch 'public-single-node' into pmm-6401-read-prometheus-data-files
2021-10-08 16:10:22 +03:00
Aliaksandr Valialkin
0ff8fcac6a
app/vmui: follow-up after 7bfb44113e
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* Run `vmui-update`
* Document the changes in README.md and CHANGELOG.md
2021-10-08 15:09:29 +03:00
Aliaksandr Valialkin
2748255c8b
app/vmselect/promql: substitute rollupFuncsCannotAdjustWindow with rollupFuncsCanAdjustWindow
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The list of functions, which can adjust lookbehind window is more limited than the rest of functions,
so it is better from maintainability and readability PoV using the allowlist instead of blocklist.
2021-10-07 13:18:42 +03:00
Aliaksandr Valialkin
c45210a6f9
app/vmselect/promql: return back the behaviour for deriv() function when the lookbehind window doesnt contain enough points
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It is expected that the `deriv(m[d])` returns non-empty value if the lookbehind window `d`
contains less than 2 samples in the same way as `rate()` does.
This is a follow-up after 3e084be06b
2021-10-07 12:52:27 +03:00
Roman Khavronenko
3e084be06b
app/vmselect: make predict_linear and deriv compatible with Prometheus ( #1681 )
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Previously, `predict_linear` returned slightly different results comparing
to Prometheus. The change makes linear regression algorithm compatible
with Prometheus.
`deriv` was excluded from the list of functions which can adjust the time
window for the same reasons.
2021-10-07 12:50:49 +03:00
Aliaksandr Valialkin
0e3de5a0cc
app/vmselect/promql: add topk_last and bottomk_last functions
2021-09-30 13:22:52 +03:00
Roman Khavronenko
a31407006c
app/vmselect: fix binary comparison func ( #1667 )
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The fix makes the binary comparison func to check for NaNs
before executing the actual comparison. This prevents VM
to return values for non-existing samples for expressions
which contain bool comparisons. Please see added test
for example.
2021-09-30 12:24:17 +03:00
