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Julien e6d3d6abd9
Merge pull request #13604 from arukiidou/chore/bump-to-go1.21 
ci: Update to Go version 1.22/ old to 1.21
 2024-02-26 16:02:11 +01:00
Bryan Boreham d2817e9c91
Merge pull request #12304 from bboreham/labels-symboltable 
Labels: reduce memory by de-duplicating strings in SymbolTables
 2024-02-26 14:06:27 +00:00
Bryan Boreham 195a0f5ab8
remove uneccessary space 
Co-authored-by: Julien <roidelapluie@o11y.eu>
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-26 14:02:06 +00:00
Julien 4284c29597
Merge pull request #13645 from bboreham/merge-2.50.1 
Merge 2.50.1 into main
 2024-02-26 14:10:43 +01:00
Bryan Boreham 518ab179fb Merge branch 'release-2.50' into merge-2.50.1 2024-02-26 11:50:06 +00:00
Bryan Boreham e1a741a0d7 labels: update copyright dates 
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-26 11:45:25 +00:00
Bryan Boreham 55e7de04f8 model/labels (stringlabels): use strings.Clone 
Suggestion from @colega.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-26 11:45:25 +00:00
Bryan Boreham d16ce3c9bd model/labels (dedupelabels): small clarifications 
Suggestion from @colega.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-26 11:45:25 +00:00
Bryan Boreham c8c28efcb3 Run Go tests with -tags dedupelabels 
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-26 11:45:25 +00:00
Bryan Boreham 0347148628 promql: fuzz test needs symbol table for parser 
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-26 11:45:25 +00:00
Bryan Boreham 5f50d974c9 scraping: reset symbol table periodically 
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-26 11:45:25 +00:00
Bryan Boreham 4e748b9cd8 scraping: re-use labels Builder in scrape report metrics 
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-26 11:45:25 +00:00
Bryan Boreham abb3a62f04 scraping: re-use symbol table for scrape loops 
One symbol table for all loops in the same scrape pool, i.e. from the
same job.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-26 11:45:25 +00:00
Bryan Boreham 0403d098e1 scraping: re-use symbolTable for target discovery 
Call labels.NewBuilderWithSymbolTable.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-26 11:45:25 +00:00
Bryan Boreham 9ba13de220 scraping: pass a Builder to get Target labels 
This saves memory allocations from making a new Builder every time.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-26 11:45:25 +00:00
Bryan Boreham eff3a13e19 model/textparse: parsers take a labels SymbolTable 
This allows strings to be interned to save memory.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-26 11:45:25 +00:00
Bryan Boreham 123109e967 config: make work with SymbolTable labels 
Need a SymbolTable when we expand ExternalLabels.

And we can't use labels.NewBuilder because we need to add blank values.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-26 11:45:25 +00:00
Bryan Boreham 3716326f3f rules: call NewScratchBuilder 
Need to initialize ScratchBuilder with a SymbolTable.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-26 11:45:25 +00:00
Bryan Boreham 925134e6de tsdb tests: make work with labels SymbolTable 
Need to initialize decoders with SymbolTable.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-26 11:45:25 +00:00
Bryan Boreham 93b72ec5dd tsdb: create SymbolTables for labels as required 
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-26 11:45:25 +00:00
Bryan Boreham 8c9b028536
Merge pull request #13641 from bboreham/pick-13633 
Cut 2.50.1 with metadata api bugfix (cherry-picked #13633)
 2024-02-26 11:31:35 +00:00
Bryan Boreham e537d6d1c1 Cut 2.50.1 with metadata api bugfix 
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-26 10:00:21 +00:00
ismail simsek eecaa71ff1 Fix: metadata API using wrong field names (#13633) 
Fix is to add json tags to `Metadata` struct. Absence of these tags
causes Go to use the field name, which starts with an upper-case
letter and breaks the protocol.

Extend tests to verify the JSON response.

Signed-off-by: ismail simsek <ismailsimsek09@gmail.com>
 2024-02-26 09:54:39 +00:00
ismail simsek 2507469291
Fix: metadata API using wrong field names (#13633) 
Fix is to add json tags to `Metadata` struct. Absence of these tags
causes Go to use the field name, which starts with an upper-case
letter and breaks the protocol.

Extend tests to verify the JSON response.

Signed-off-by: ismail simsek <ismailsimsek09@gmail.com>
 2024-02-26 09:53:39 +00:00
Bryan Boreham 22890b1eb3 PromQL: improve warning for mixed values in aggregations 
Aggregations discard the metric name, so don't try to
include it in the error message.

Add a test that generates this warning.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-25 19:57:06 +00:00
junya koyama 37613ef3b6
Merge branch 'chore/bump-to-go1.21' of https://github.com/arukiidou/prometheus into chore/bump-to-go1.21 2024-02-24 00:34:33 +09:00
junya koyama e171f6c8aa
go: fix go.mod version from 1.21.7 to 1.21 
Signed-off-by: junya koyama <arukiidou@yahoo.co.jp>
 2024-02-24 00:33:35 +09:00
Bryan Boreham 2ac1632eec storage/remote: improve symbol-table handling 
On the incoming path, `writeHandler.write()` creates a new table for
each request.

`labelProtosToLabels` takes a `ScratchBuilder` now.

Call `NewScratchBuilder` as required in tests.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-23 13:50:27 +00:00
Bryan Boreham 8f525b4ba4 storage/remote tests: refactor: extract function newTestQueueManager 
To reduce repetition.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-23 13:50:27 +00:00
Bryan Boreham b39286fd1f Add dedupelabels tag to not build regular labels 
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-23 13:50:27 +00:00
Bryan Boreham d51a5344cd labels: new version de-duplicating strings in SymbolTables 
The individual strings for label names and values are held in a table,
and each Labels value is a run of varint-encoded indexes into that table.

When creating new labels, a sync.Mutex is locked around reads and writes.
When reading labels, there is no locking because the table of strings
used by those labels is immutable.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-23 13:50:27 +00:00
Bryan Boreham 28191109a8 Labels: add fake versions of SymbolTable apis 
So we can use them where necessary for internlabels implementation.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-23 13:50:27 +00:00
Bryan Boreham d1af84f6ee Labels: move Builder and Reset out of common 
New internstrings implementation is different.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-23 13:50:27 +00:00
Bryan Boreham 5aa4473894 labels tests: extend TestBuilder 
Start with empty base labels, also check new and re-used symbol tables

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-23 13:50:27 +00:00
Bryan Boreham bb82a57e64 Labels: Call NewScratchBuilder in test_utils 
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-23 13:50:27 +00:00
Bryan Boreham cc5dc6a61b labels: use Equal instead of DeepEqual 
This will work better with a different data structure.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-23 13:50:27 +00:00
Bryan Boreham 4d6bb2e0e4
Merge pull request #13628 from bboreham/cleanup-13583 
tsdb/wlog: small cleanup of WAL watcher after #13583
 2024-02-23 12:39:17 +00:00
Bryan Boreham cc2c3f7c2b
Merge pull request #10782 from prymitive/gzip 
Use github.com/klauspost/compress for gzip and zlib
 2024-02-23 10:42:02 +00:00
Manik Rana 08832e2db8
histogram: add UI tests for rendering histogram (#13631) 
* histogram: add tests for rendering histograms

Signed-off-by: Manik Rana <manikrana54@gmail.com>

* histogram: add tests for rendering histograms

Signed-off-by: Manik Rana <manikrana54@gmail.com>

* chore: remove unused import

Signed-off-by: Manik Rana <manikrana54@gmail.com>

---------

Signed-off-by: Manik Rana <manikrana54@gmail.com>
 2024-02-23 11:31:39 +01:00
George Krajcsovits c6c8f63516
Merge pull request #13607 from fionaliao/ooo-samples-appended-type 
Add sample type label to outOfOrderSamplesAppended metric
 2024-02-23 09:41:45 +01:00
Łukasz Mierzwa daeef6ffc3 Add lint checks for gzip/zlib 
Since we want to use a faster gzip/zlib libraries we should add a lint check so that it's used everywhere

Signed-off-by: Łukasz Mierzwa <l.mierzwa@gmail.com>
 2024-02-22 17:08:40 +00:00
Łukasz Mierzwa 5597020a60 Use github.com/klauspost/compress for gzip and zlib 
klauspost/compress is a high quality drop-in replacement for common Go
compression libraries. Since Prometheus sends out a lot of HTTP requests
that often return compressed output having improved compression
libraries helps to save cpu & memory resources.
On a test Prometheus server I was able to see cpu reduction from 31 to
30 cores.

Benchmark results:

name                                old time/op    new time/op    delta
TargetScraperGzip/metrics=1-8         69.4µs ± 4%    69.2µs ± 3%     ~     (p=0.122 n=50+50)
TargetScraperGzip/metrics=100-8       84.3µs ± 2%    80.9µs ± 2%   -4.02%  (p=0.000 n=48+46)
TargetScraperGzip/metrics=1000-8       296µs ± 1%     274µs ±14%   -7.35%  (p=0.000 n=47+45)
TargetScraperGzip/metrics=10000-8     2.06ms ± 1%    1.66ms ± 2%  -19.34%  (p=0.000 n=47+45)
TargetScraperGzip/metrics=100000-8    20.9ms ± 2%    17.5ms ± 3%  -16.50%  (p=0.000 n=49+50)

name                                old alloc/op   new alloc/op   delta
TargetScraperGzip/metrics=1-8         6.06kB ± 0%    6.07kB ± 0%   +0.24%  (p=0.000 n=48+48)
TargetScraperGzip/metrics=100-8       7.04kB ± 0%    6.89kB ± 0%   -2.17%  (p=0.000 n=49+50)
TargetScraperGzip/metrics=1000-8      9.02kB ± 0%    8.35kB ± 1%   -7.49%  (p=0.000 n=50+50)
TargetScraperGzip/metrics=10000-8     18.1kB ± 1%    16.1kB ± 2%  -10.87%  (p=0.000 n=47+47)
TargetScraperGzip/metrics=100000-8    1.21MB ± 0%    1.01MB ± 2%  -16.69%  (p=0.000 n=36+50)

name                                old allocs/op  new allocs/op  delta
TargetScraperGzip/metrics=1-8           71.0 ± 0%      72.0 ± 0%   +1.41%  (p=0.000 n=50+50)
TargetScraperGzip/metrics=100-8         81.0 ± 0%      76.0 ± 0%   -6.17%  (p=0.000 n=50+50)
TargetScraperGzip/metrics=1000-8        92.0 ± 0%      83.0 ± 0%   -9.78%  (p=0.000 n=50+50)
TargetScraperGzip/metrics=10000-8       93.0 ± 0%      91.0 ± 0%   -2.15%  (p=0.000 n=50+50)
TargetScraperGzip/metrics=100000-8       111 ± 0%       135 ± 1%  +21.89%  (p=0.000 n=40+50)

Signed-off-by: Łukasz Mierzwa <l.mierzwa@gmail.com>
 2024-02-22 17:08:15 +00:00
Łukasz Mierzwa 92e381b8a3 Add a scrape benchmark with gzipped responses 
Signed-off-by: Łukasz Mierzwa <l.mierzwa@gmail.com>
 2024-02-22 17:07:22 +00:00
Goutham Veeramachaneni bf2658bec1
Merge pull request #13627 from aknuds1/arve/sync-otlp 
otlptranslator: Upgrade to v0.95.0
 2024-02-22 22:34:18 +05:30
Augustin Husson 9738e48a7d
Merge pull request #13629 from prometheus/release-2.50 
merge back release 2.50
 2024-02-22 11:07:52 +01:00
Bryan Boreham 6ed56c9f04 WAL watcher: improve comments 
Clarify in the first comment that it is `watch()` that waits, and reduce
verbiage.

The second comment was slightly contradictory to the first and otherwise
didn't seem to add much, since `currentSegment` was incremented just a
few lines later.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-22 09:32:46 +00:00
Augustin Husson 545c28d923
update v2.51 release date (#13606) 
* update v2.51 release date

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* add Bryan as a next release shepherd

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

---------

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>
 2024-02-22 10:23:26 +01:00
Augustin Husson 814b920e8a
Cut v2.50.0 (#13612) 
Signed-off-by: Augustin Husson <husson.augustin@gmail.com>
 2024-02-22 10:21:59 +01:00
Bryan Boreham a975a83079 tsdb: clean up Watcher debug messages 
Print lastSegment after it gets initialized.

Move variable declaration to first use.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-22 09:19:18 +00:00
Bryan Boreham 78f46bccca tsdb/wlog tests: remove unnecessary sleep check 
Sleep() is documented to return immediately on negative or zero input.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 2024-02-22 09:14:52 +00:00