prometheus

Commit Graph

Author	SHA1	Message	Date
Callum Styan	67838643ee	Add config option for remote job name (#6043 ) * Track remote write queues via a map so we don't care about index. Signed-off-by: Callum Styan <callumstyan@gmail.com> * Support a job name for remote write/read so we can differentiate between them using the name. Signed-off-by: Callum Styan <callumstyan@gmail.com> * Remote write/read has Name to not confuse the meaning of the field with scrape job names. Signed-off-by: Callum Styan <callumstyan@gmail.com> * Split queue/client label into remote_name and url labels. Signed-off-by: Callum Styan <callumstyan@gmail.com> * Don't allow for duplicate remote write/read configs. Signed-off-by: Callum Styan <callumstyan@gmail.com> * Ensure we restart remote write queues if the hash of their config has not changed, but the remote name has changed. Signed-off-by: Callum Styan <callumstyan@gmail.com> * Include name in remote read/write config hashes, simplify duplicates check, update test accordingly. Signed-off-by: Callum Styan <callumstyan@gmail.com>	5 years ago
Simon Pasquier	cccd542891	*: avoid missed Alertmanager targets (#6455 ) This change makes sure that nearly-identical Alertmanager configurations aren't merged together. The config's identifier was the MD5 hash of the configuration serialized to JSON but because `relabel.Regexp` has no public field and doesn't implement the JSON.Marshaler interface, it was always serialized to "{}". In practice, the identifier can be based on the index of the configuration in the list. Signed-off-by: Simon Pasquier <spasquie@redhat.com>	5 years ago
Brian Brazil	971dafdfbe	Coalesce series reads where we can. When compacting rather than doing a read of all series in the index per label name, do many at once but only when it won't use (much) more ram than writing the special all index does. original in-memory postings: BenchmarkCompactionFromHead/labelnames=1,labelvalues=100000-4 1 1202383447 ns/op 158936496 B/op 1031511 allocs/op BenchmarkCompactionFromHead/labelnames=10,labelvalues=10000-4 1 1141792706 ns/op 154453408 B/op 1093453 allocs/op BenchmarkCompactionFromHead/labelnames=100,labelvalues=1000-4 1 1169288829 ns/op 161072336 B/op 1110021 allocs/op BenchmarkCompactionFromHead/labelnames=1000,labelvalues=100-4 1 1115700103 ns/op 149480472 B/op 1129180 allocs/op BenchmarkCompactionFromHead/labelnames=10000,labelvalues=10-4 1 1283813141 ns/op 162937800 B/op 1202771 allocs/op before: BenchmarkCompactionFromHead/labelnames=1,labelvalues=100000-4 1 1145195941 ns/op 131749984 B/op 834400 allocs/op BenchmarkCompactionFromHead/labelnames=10,labelvalues=10000-4 1 1233526345 ns/op 127889416 B/op 897033 allocs/op BenchmarkCompactionFromHead/labelnames=100,labelvalues=1000-4 1 1821942296 ns/op 131665648 B/op 914836 allocs/op BenchmarkCompactionFromHead/labelnames=1000,labelvalues=100-4 1 8035568665 ns/op 123811832 B/op 934312 allocs/op BenchmarkCompactionFromHead/labelnames=10000,labelvalues=10-4 1 71325926267 ns/op 140722648 B/op 1016824 allocs/op after: BenchmarkCompactionFromHead/labelnames=1,labelvalues=100000-4 1 1101429174 ns/op 129063496 B/op 832571 allocs/op BenchmarkCompactionFromHead/labelnames=10,labelvalues=10000-4 1 1074466374 ns/op 124154888 B/op 894875 allocs/op BenchmarkCompactionFromHead/labelnames=100,labelvalues=1000-4 1 1166510282 ns/op 128790648 B/op 912931 allocs/op BenchmarkCompactionFromHead/labelnames=1000,labelvalues=100-4 1 1075013071 ns/op 120570696 B/op 933511 allocs/op BenchmarkCompactionFromHead/labelnames=10000,labelvalues=10-4 1 1231673790 ns/op 138754288 B/op 1022791 allocs/op Signed-off-by: Brian Brazil <brian.brazil@robustperception.io>	5 years ago
Brian Brazil	373a1fdfbf	Reread index series rather than storing in memory. Rather than building up a 2nd copy of all the posting tables, construct it from the data we've already written to disk. This takes more time, but saves memory. Current benchmark numbers have this as slightly faster, but that's likely due to the synthetic data not having many label names. Memory usage is roughly halved for the relevant bits. Signed-off-by: Brian Brazil <brian.brazil@robustperception.io>	5 years ago
Brian Brazil	48d25e6fe7	Reduce memory used by postings offset table. Rather than keeping the offset of each postings list, instead keep the nth offset of the offset of the posting list. As postings list offsets have always been sorted, we can then get to the closest entry before the one we want an iterate forwards. I haven't done much tuning on the 32 number, it was chosen to try not to read through more than a 4k page of data. Switch to a bulk interface for fetching postings. Use it to avoid having to re-read parts of the posting offset table when querying lots of it. For a index with what BenchmarkHeadPostingForMatchers uses RAM for r.postings drops from 3.79MB to 80.19kB or about 48x. Bytes allocated go down by 30%, and suprisingly CPU usage drops by 4-6% for typical queries too. benchmark old ns/op new ns/op delta BenchmarkPostingsForMatchers/Block/n="1"-4 35231 36673 +4.09% BenchmarkPostingsForMatchers/Block/n="1",j="foo"-4 563380 540627 -4.04% BenchmarkPostingsForMatchers/Block/j="foo",n="1"-4 536782 534186 -0.48% BenchmarkPostingsForMatchers/Block/n="1",j!="foo"-4 533990 541550 +1.42% BenchmarkPostingsForMatchers/Block/i=~"."-4 113374598 117969608 +4.05% BenchmarkPostingsForMatchers/Block/i=~".+"-4 146329884 139651442 -4.56% BenchmarkPostingsForMatchers/Block/i=~""-4 50346510 44961127 -10.70% BenchmarkPostingsForMatchers/Block/i!=""-4 41261550 35356165 -14.31% BenchmarkPostingsForMatchers/Block/n="1",i=~".",j="foo"-4 112544418 116904010 +3.87% BenchmarkPostingsForMatchers/Block/n="1",i=~".",i!="2",j="foo"-4 112487086 116864918 +3.89% BenchmarkPostingsForMatchers/Block/n="1",i!=""-4 41094758 35457904 -13.72% BenchmarkPostingsForMatchers/Block/n="1",i!="",j="foo"-4 41906372 36151473 -13.73% BenchmarkPostingsForMatchers/Block/n="1",i=~".+",j="foo"-4 147262414 140424800 -4.64% BenchmarkPostingsForMatchers/Block/n="1",i=~"1.+",j="foo"-4 28615629 27872072 -2.60% BenchmarkPostingsForMatchers/Block/n="1",i=~".+",i!="2",j="foo"-4 147117177 140462403 -4.52% BenchmarkPostingsForMatchers/Block/n="1",i=~".+",i!~"2.",j="foo"-4 175096826 167902298 -4.11% benchmark old allocs new allocs delta BenchmarkPostingsForMatchers/Block/n="1"-4 4 6 +50.00% BenchmarkPostingsForMatchers/Block/n="1",j="foo"-4 7 11 +57.14% BenchmarkPostingsForMatchers/Block/j="foo",n="1"-4 7 11 +57.14% BenchmarkPostingsForMatchers/Block/n="1",j!="foo"-4 15 17 +13.33% BenchmarkPostingsForMatchers/Block/i=~"."-4 100010 100012 +0.00% BenchmarkPostingsForMatchers/Block/i=~".+"-4 200069 200040 -0.01% BenchmarkPostingsForMatchers/Block/i=~""-4 200072 200045 -0.01% BenchmarkPostingsForMatchers/Block/i!=""-4 200070 200041 -0.01% BenchmarkPostingsForMatchers/Block/n="1",i=~".",j="foo"-4 100013 100017 +0.00% BenchmarkPostingsForMatchers/Block/n="1",i=~".",i!="2",j="foo"-4 100017 100023 +0.01% BenchmarkPostingsForMatchers/Block/n="1",i!=""-4 200073 200046 -0.01% BenchmarkPostingsForMatchers/Block/n="1",i!="",j="foo"-4 200075 200050 -0.01% BenchmarkPostingsForMatchers/Block/n="1",i=~".+",j="foo"-4 200074 200049 -0.01% BenchmarkPostingsForMatchers/Block/n="1",i=~"1.+",j="foo"-4 111165 111150 -0.01% BenchmarkPostingsForMatchers/Block/n="1",i=~".+",i!="2",j="foo"-4 200078 200055 -0.01% BenchmarkPostingsForMatchers/Block/n="1",i=~".+",i!~"2.",j="foo"-4 311282 311238 -0.01% benchmark old bytes new bytes delta BenchmarkPostingsForMatchers/Block/n="1"-4 264 296 +12.12% BenchmarkPostingsForMatchers/Block/n="1",j="foo"-4 360 424 +17.78% BenchmarkPostingsForMatchers/Block/j="foo",n="1"-4 360 424 +17.78% BenchmarkPostingsForMatchers/Block/n="1",j!="foo"-4 520 552 +6.15% BenchmarkPostingsForMatchers/Block/i=~"."-4 1600461 1600482 +0.00% BenchmarkPostingsForMatchers/Block/i=~".+"-4 24900801 17259077 -30.69% BenchmarkPostingsForMatchers/Block/i=~""-4 24900836 17259151 -30.69% BenchmarkPostingsForMatchers/Block/i!=""-4 24900760 17259048 -30.69% BenchmarkPostingsForMatchers/Block/n="1",i=~".",j="foo"-4 1600557 1600621 +0.00% BenchmarkPostingsForMatchers/Block/n="1",i=~".",i!="2",j="foo"-4 1600717 1600813 +0.01% BenchmarkPostingsForMatchers/Block/n="1",i!=""-4 24900856 17259176 -30.69% BenchmarkPostingsForMatchers/Block/n="1",i!="",j="foo"-4 24900952 17259304 -30.69% BenchmarkPostingsForMatchers/Block/n="1",i=~".+",j="foo"-4 24900993 17259333 -30.69% BenchmarkPostingsForMatchers/Block/n="1",i=~"1.+",j="foo"-4 3788311 3142630 -17.04% BenchmarkPostingsForMatchers/Block/n="1",i=~".+",i!="2",j="foo"-4 24901137 17259509 -30.69% BenchmarkPostingsForMatchers/Block/n="1",i=~".+",i!~"2.",j="foo"-4 28693086 20405680 -28.88% Signed-off-by: Brian Brazil <brian.brazil@robustperception.io>	5 years ago
Brian Brazil	aff9f7a9e8	Extend PostingsForMatchers benchmark to cover Blocks too. Signed-off-by: Brian Brazil <brian.brazil@robustperception.io>	5 years ago
Björn Rabenstein	af2257b100	Merge pull request #6442 from gotjosh/single-metric-api api: provide metadata for a specified metric	5 years ago
Simon Pasquier	941568839a	docs: update /api/v1/rules documentation (#6449 ) Signed-off-by: Simon Pasquier <spasquie@redhat.com>	5 years ago
Simon Pasquier	b15dda9e07	util/promlint: simplify sorting function (#6448 ) Signed-off-by: Simon Pasquier <spasquie@redhat.com>	5 years ago
Brian Brazil	4df814f509	Don't buffer up tables in memory on compaction. (#6422 ) We can instead write it as we go, and then go back and write in the length at the end. Also fix the compaction benchmark, which indicates no changes. For the benchmark, this brings maximum memory usage of the buffers from ~200kB down to 128B. Signed-off-by: Brian Brazil <brian.brazil@robustperception.io>	5 years ago
johncming	83cda784d2	skip empty alerts. (#6444 ) Signed-off-by: johncming <johncming@yahoo.com>	5 years ago
Frederic Branczyk	e53f751765	Merge pull request #6445 from RainbowMango/pr_fix_promlint_order_algo Fix promlint order algorithm not work issue	5 years ago
RainbowMango	f9de671cdd	Fix promlint order algorithm not work issue. Signed-off-by: RainbowMango <renhongcai@huawei.com>	5 years ago
gotjosh	e1f2da74a3	api: provide metadata for a single metric This adds support for a new query param on the new `api/v1/metadata` endpoint that provides metadata for a specified metric via the V1 API. It collapses metadata that is equal across all targets, and aggregates under the same metric name the ones that differ. Signed-off-by: gotjosh <josue@grafana.com>	5 years ago
gotjosh	4a13c844b7	Add periods to comments on tests. Signed-off-by: gotjosh <josue@grafana.com>	5 years ago
gotjosh	0a0a228db3	api: provide per metric metadata (#6420 ) * api: provide per metric metadata This adds a new endpoint that provides per metric metadata via the V1 API. It collapses metadata that is equal across all targets, and aggregates under the same metric name the ones that differ. * Allow tests to be asserted on response length Some tests e.g. limit on API responses, don't require an assertion on equality. This allows us to assert against response length instead of equality. Signed-off-by: gotjosh <josue@grafana.com>	5 years ago
Mitsuhiro Tanda	466cc36ba0	upgrade aws-sdk-go (#6429 ) Signed-off-by: Mitsuhiro Tanda <mitsuhiro.tanda@gmail.com>	5 years ago
Boyko	1c66aea992	React UI: Implement alerts page (#6402 ) * url filter rules param Signed-off-by: blalov <boiskila@gmail.com> Signed-off-by: Boyko Lalov <boiskila@gmail.com> Signed-off-by: blalov <boiskila@gmail.com> * address review changes Signed-off-by: blalov <boiskila@gmail.com> Signed-off-by: Boyko Lalov <boiskila@gmail.com> Signed-off-by: blalov <boiskila@gmail.com> * ui initial commit Signed-off-by: blalov <boiskila@gmail.com> Signed-off-by: Boyko Lalov <boiskila@gmail.com> Signed-off-by: blalov <boiskila@gmail.com> * improve ui Signed-off-by: blalov <boiskila@gmail.com> Signed-off-by: Boyko Lalov <boiskila@gmail.com> Signed-off-by: blalov <boiskila@gmail.com> * fix typo in component name Signed-off-by: Boyko Lalov <boiskila@gmail.com> Signed-off-by: blalov <boiskila@gmail.com> * create query link + ui enhancements Signed-off-by: Boyko Lalov <boiskila@gmail.com> Signed-off-by: blalov <boiskila@gmail.com> * add count to state labels Signed-off-by: blalov <boiskila@gmail.com> * put alerts table render in the right place Signed-off-by: blalov <boiskila@gmail.com> * refactoring Signed-off-by: blalov <boiskila@gmail.com> * fix rules endpoint test Signed-off-by: blalov <boiskila@gmail.com> * lint fixes Signed-off-by: blalov <boiskila@gmail.com> * test query params Signed-off-by: blalov <boiskila@gmail.com> * refactoring Signed-off-by: blalov <boiskila@gmail.com> * review changes Signed-off-by: blalov <boiskila@gmail.com> * adding down arrow as click indicator in Alert Signed-off-by: blalov <boiskila@gmail.com> * add period at the end of the comment Signed-off-by: blalov <boiskila@gmail.com> * review changes Signed-off-by: blalov <boiskila@gmail.com> * remove left-over css Signed-off-by: blalov <boiskila@gmail.com> * adding expand/collapse arrows on Alert Signed-off-by: blalov <boiskila@gmail.com> * create proper expression for alert name Signed-off-by: blalov <boiskila@gmail.com>	5 years ago
gotjosh	7bb73a9abd	fix: flaky test for api/v1/targets/metadata. (#6436 ) * Allows sorting of responses from the API in tests Fixes flaky test for api/v1/targets/metadata. Allows sorting of responses from the API. For our tests to be deterministic, we need to ensure the response from the API follows an order. This structure allows us to define one. Fixes #6431 Signed-off-by: gotjosh <josue@grafana.com>	5 years ago
Tobias Guggenmos	5c503d85f7	PromQL: export lexer (#6435 ) Signed-off-by: Tobias Guggenmos <tguggenm@redhat.com>	5 years ago
Tobias Guggenmos	35c1f31721	PromQL: Use more standart format for error positions (#6433 ) The most common format (used by go, gcc and clang) for compiler error positions seems to be `filename:line:char:` or `line:char:` if the filename is unknown. This PR adapts the PromQL parser to use this convention. Signed-off-by: Tobias Guggenmos <tguggenm@redhat.com>	5 years ago
Tobias Guggenmos	cd39ebe7c6	PromQL: export function list (#6434 ) This PR exports the list of supported PromQL functions and their signatures. The reason for that is that the PromQL language server likes to use that list. Signed-off-by: Tobias Guggenmos <tguggenm@redhat.com>	5 years ago
johncming	0ae048ff78	tsdb: add error details in log. (#6415 ) Signed-off-by: johncming <johncming@yahoo.com>	5 years ago
Mark Nevill	b0a5c51b95	Return unused point slice to pool in Call and VectorSelector eval. (#6427 ) Signed-off-by: Mark Nevill <mark.nevill@gmail.com>	5 years ago
Ben Ye	c0250cf120	Fix some typos(#6423 ) Signed-off-by: yeya24 <yb532204897@gmail.com>	5 years ago
Tobias Guggenmos	3bb715031f	PromQL: Use generated parser to parse label matchers (#6410 ) Signed-off-by: Tobias Guggenmos <tguggenm@redhat.com>	5 years ago
Garrett	5a9c4acfbf	Pushdown aggregator group by through read hint (#6401 ) * Pushdown aggregator group by through read hint Implement https://github.com/prometheus/prometheus/issues/6400 * add temporal aggregation pushdown support Signed-off-by: xiancli <xiancli@ebay.com>	5 years ago
Brian Brazil	0ae4899c47	Merge pull request #6409 from gotjosh/tests-for-target-metadata Add tests for /api/v1/target/metadata	5 years ago
gotjosh	428089f83f	api: tests for /target/metadata API endpoint This commit introduces several test cases for the current /targets/metadata API endpoint. To achieve so, we use a mock of the metadataStore and inject it to the targets under test. Currently, three success cases are covered: with a metric name, with a target matcher, and with both. As for the failure scenario, the one where we couldn't match against a particular metric is covered. Signed-off-by: gotjosh <josue@grafana.com>	5 years ago
gotjosh	05842176a6	Make the scrape.metricMetadataStore interface public To test the implementation of our metric metadata API, we need to represent various states of metadata in the scrape metadata store. That is currently not possible as the interface and method to set the store are private. This changes the interface, list and get methods, and the SetMetadaStore function to be public. Incidentally, the scrapeCache implementation needs to be renamed to match the new signature. Signed-off-by: gotjosh <josue@grafana.com>	5 years ago
gotjosh	4bf9c6bb82	Allow targets to be injected as arguments when creating a testTargetRetriever Previously, the struct `testTargetRetriever` had hardcoded active and dropped targets. This made it difficult to change the target information depending on the test case. This change introduces a way to define them as arguments and pass it to a constructor for building. It lays a foundation for dynamically defining targets with various set of arguments to test different scenarios. Signed-off-by: gotjosh <josue@grafana.com>	5 years ago
Björn Rabenstein	c8665eaee3	Merge pull request #6389 from prometheus/update-maint Update and re-work maintainers file.	5 years ago
Krasimir Georgiev	549164f252	return err instead of panic for corrupted chunk (#6040 ) * Fix tsdb panic when querying corrupted chunks. check that the chunk segment has enough data to read all chunk pieces. * refactor, simplify and add tests. * simpfiy WriteChunks implementation Signed-off-by: Krasi Georgiev <8903888+krasi-georgiev@users.noreply.github.com>	5 years ago
Chris Marchbanks	5000c05378	Merge pull request #6378 from prometheus/accurate-desired-shards-metric Change desired shards metric to report raw calculated value	5 years ago
Callum Styan	5830e03691	Merge pull request #6337 from cstyan/rw-log-replay Log the start and end of the WAL replay within the WAL watcher.	5 years ago
Boyko	315b28439f	Graph multi series select (#6391 ) * adding graph series multi select support Signed-off-by: Boyko Lalov <boiskila@gmail.com> Signed-off-by: blalov <boiskila@gmail.com> * skip inital plot draw from ResizeDetector Signed-off-by: Boyko Lalov <boiskila@gmail.com> Signed-off-by: blalov <boiskila@gmail.com> * fix unit tests Signed-off-by: blalov <boiskila@gmail.com> * extract Legend as component Signed-off-by: blalov <boiskila@gmail.com> * create legend state interface Signed-off-by: blalov <boiskila@gmail.com> * fix click selection issue Signed-off-by: blalov <boiskila@gmail.com> * fix single series select bug Signed-off-by: Boyko Lalov <boiskila@gmail.com> * review changes Signed-off-by: blalov <boiskila@gmail.com>	5 years ago
Frederic Branczyk	8ac15703b0	Merge pull request #6393 from simonpasquier/fix-kubernetes-client-metrics discovery/kubernetes: fix client metrics	5 years ago
Brooks Swinnerton	0ea3a2218d	Add time units to storage.tsdb.retention.size flag (#6365 ) * Add time units to storage.tsdb.retention.size flag In an effort to reduce confusion with the `m` option of the `ParseDuration()` function, this commit adds the available time units to the `storage.tsdb.retention.time` flag to help showcase that there is no option for months (which could be assumed to be `m`). If someone were looking to set the retention to six months, they may mistakenly do so with `6m`, which would reduce their retention to six minutes. Signed-off-by: Brooks Swinnerton <bswinnerton@gmail.com>	5 years ago
Simon Pasquier	75470f86b4	discovery/kubernetes: fix client metrics The Kubernetes client records workqueue duration and latency metrics as seconds so there's no need to convert the values from microseconds to seconds anymore. The cache metrics (prometheus_sd_kubernetes_cache_*) are removed because they aren't used anymore by the client though still exposed by its API. Signed-off-by: Simon Pasquier <spasquie@redhat.com>	5 years ago
Brian Brazil	6f9558e7d9	Update and re-work maintainers file. For sanity I'm not going to try to distinguish the things I'm maintainer for because I'm the right person (e.g. template) vs things I'm the maintainer for because someone has to be (e.g. pkg). Also add a general warning to handle that this is more nuanced than it's worth trying to capture, and relatedly always going to be out of date. I'm also not giving full names/emails as we do elsewhere, as that'd make things only more difficult to read for this particular repository. I didn't put Bartek down for remote read, as particular functions of particular files seems a a bit fine grained. Fixes #4714 Signed-off-by: Brian Brazil <brian.brazil@robustperception.io>	5 years ago
Bartlomiej Plotka	eba5e02718	Volunteering for release shepharding (#6384 ) (: Signed-off-by: Bartek Plotka <bwplotka@gmail.com>	5 years ago
Boyko	28470c229c	React UI: Graph refactoring (#6382 ) * move graph related files into own folder Signed-off-by: blalov <boiskila@gmail.com> * move graph helper functions into own file Signed-off-by: blalov <boiskila@gmail.com> * fix typo in file name Signed-off-by: blalov <boiskila@gmail.com> * fix typo in file name and lint fixes Signed-off-by: blalov <boiskila@gmail.com>	5 years ago
Tobias Guggenmos	408574a6e1	promql: Allow injecting fake tokens into the generated parser (#6381 ) * promql: Allow injecting fake tokens into the generated parser Yacc grammars do not support having multiple start symbols. To work around that restriction, it is possible to inject fake tokens into the lexer stream, as described here https://www.gnu.org/software/bison/manual/html_node/Multiple-start_002dsymbols.html . This is part of the parser rewrite effort described in #6256. Signed-off-by: Tobias Guggenmos <tguggenm@redhat.com>	5 years ago
Callum Styan	6a24eee340	Simplify duration check for watcher WAL replay. Signed-off-by: Callum Styan <callumstyan@gmail.com>	5 years ago
Boyko	fa1489e35c	React UI: Improve graph legend hover performance (#6367 ) * improve hover performance Signed-off-by: blalov <boyko.lalov@tick42.com> * increase graph tests coverage Signed-off-by: blalov <boiskila@gmail.com> * wrap plotSetAndDraw into requestAnimationFrame to achieve smooth hover effect Signed-off-by: Boyko Lalov <boiskila@gmail.com> * unit tests Signed-off-by: Boyko Lalov <boiskila@gmail.com> * add destroy plot method to types Signed-off-by: blalov <boiskila@gmail.com> * make chart undefined by default Signed-off-by: Boyko Lalov <boiskila@gmail.com> * make destroy plot test more meaningful Signed-off-by: Boyko Lalov <boiskila@gmail.com> * remove chart.destroy extra check Signed-off-by: Boyko Lalov <boiskila@gmail.com>	5 years ago
Tobias Guggenmos	bbd92b85da	promql: Use capitalized names for item types (#6371 ) For yacc generated parsers there is the convention to capitalize the names of item types provided by the lexer, which makes it easy to distinct lexer tokens (capitalized) from nonterminal symbols (not capitalized) in language grammars. This convention is also followed by the (non generated) go compiler (see https://golang.org/pkg/go/token/#Token). Part of the parser rewrite described in #6256. Signed-off-by: Tobias Guggenmos <tguggenm@redhat.com>	5 years ago
Tobias Guggenmos	c229ed17e2	promql: Implement yyLexer interface (#6370 ) This is the first step towards a generated lexer as described in #6256. It adds methods to the parser struct, that make it implement the yyLexer interface required by a yacc generated parser, as described here: https://godoc.org/golang.org/x/tools/cmd/goyacc . The yyLexer interface is implemented by the parser struct instead of the lexer struct for the following reasons: * Both parsers have a lookahead that the lexer does not know about. This solution makes it possible to synchronize these lookaheads when switching parsers. * The routines to handle parser errors are not accessible to the lexer. Signed-off-by: Tobias Guggenmos <tguggenm@redhat.com>	5 years ago
Chris Marchbanks	6f34e35b3e	Record the exact value of desired shards in metric It is possible that desired shards is always a bit higher than the number of shards (less than 30%) and by exporting desired shards as the raw number it will be easy to tell if a Prometheus is in that situation. Signed-off-by: Chris Marchbanks <csmarchbanks@gmail.com>	5 years ago
Chris Marchbanks	0e684ca205	Fix unknown type in sharding up log Signed-off-by: Chris Marchbanks <csmarchbanks@gmail.com>	5 years ago
Björn Rabenstein	bd1c66861a	Merge pull request #6350 from geobeau/fix-exported-relabel Fix relabaling collision when using exported labels	5 years ago

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