prometheus

Commit Graph

Author	SHA1	Message	Date
Brian Brazil	38d32e0686	Don't sort postings if we only have one block. Sorting the heads postings can be quite slow. We only need sorted series when merging with another querier, so only sort then. This will make big queries that only touch the head faster, though queries that touch both the head and a block will still be the same speed. This probably won't help much with graphing unless the range is under an hour, however it should make most recording rules faster. Add gaurantee that remote read streaming produces sorted series. PromQL benchmarks for histograms show only 2-3% improvement, but they're only over 1k series. benchmark old ns/op new ns/op delta BenchmarkQuerierSelect/Head/1of1000000-4 1375486282 507657736 -63.09% BenchmarkQuerierSelect/Head/10of1000000-4 1387859004 507769850 -63.41% BenchmarkQuerierSelect/Head/100of1000000-4 1387087935 506029110 -63.52% BenchmarkQuerierSelect/Head/1000of1000000-4 1386869064 504521986 -63.62% BenchmarkQuerierSelect/Head/10000of1000000-4 1386213685 505210422 -63.55% BenchmarkQuerierSelect/Head/100000of1000000-4 1392754988 529842406 -61.96% BenchmarkQuerierSelect/Head/1000000of1000000-4 1569414722 725059506 -53.80% BenchmarkQuerierSelect/SortedHead/1of1000000-4 1381019902 1370495863 -0.76% BenchmarkQuerierSelect/SortedHead/10of1000000-4 1375696209 1366789468 -0.65% BenchmarkQuerierSelect/SortedHead/100of1000000-4 1386009422 1364519297 -1.55% BenchmarkQuerierSelect/SortedHead/1000of1000000-4 1377700532 1364486191 -0.96% BenchmarkQuerierSelect/SortedHead/10000of1000000-4 1383539536 1369545314 -1.01% BenchmarkQuerierSelect/SortedHead/100000of1000000-4 1410089163 1394731339 -1.09% BenchmarkQuerierSelect/SortedHead/1000000of1000000-4 1634744148 1581554956 -3.25% BenchmarkQuerierSelect/Block/1of1000000-4 881741242 879839470 -0.22% BenchmarkQuerierSelect/Block/10of1000000-4 880381562 882846038 +0.28% BenchmarkQuerierSelect/Block/100of1000000-4 887519357 881016916 -0.73% BenchmarkQuerierSelect/Block/1000of1000000-4 902194205 883433524 -2.08% BenchmarkQuerierSelect/Block/10000of1000000-4 892321964 885130170 -0.81% BenchmarkQuerierSelect/Block/100000of1000000-4 938604466 933527150 -0.54% BenchmarkQuerierSelect/Block/1000000of1000000-4 1313510845 1295881124 -1.34% benchmark old allocs new allocs delta BenchmarkQuerierSelect/Head/1of1000000-4 4000056 4000018 -0.00% BenchmarkQuerierSelect/Head/10of1000000-4 4000074 4000036 -0.00% BenchmarkQuerierSelect/Head/100of1000000-4 4000254 4000216 -0.00% BenchmarkQuerierSelect/Head/1000of1000000-4 4002054 4002016 -0.00% BenchmarkQuerierSelect/Head/10000of1000000-4 4020054 4020016 -0.00% BenchmarkQuerierSelect/Head/100000of1000000-4 4200054 4200016 -0.00% BenchmarkQuerierSelect/Head/1000000of1000000-4 6000054 6000016 -0.00% BenchmarkQuerierSelect/SortedHead/1of1000000-4 4000071 4000071 +0.00% BenchmarkQuerierSelect/SortedHead/10of1000000-4 4000089 4000089 +0.00% BenchmarkQuerierSelect/SortedHead/100of1000000-4 4000269 4000269 +0.00% BenchmarkQuerierSelect/SortedHead/1000of1000000-4 4002069 4002069 +0.00% BenchmarkQuerierSelect/SortedHead/10000of1000000-4 4020069 4020069 +0.00% BenchmarkQuerierSelect/SortedHead/100000of1000000-4 4200069 4200069 +0.00% BenchmarkQuerierSelect/SortedHead/1000000of1000000-4 6000069 6000069 +0.00% BenchmarkQuerierSelect/Block/1of1000000-4 6000023 6000022 -0.00% BenchmarkQuerierSelect/Block/10of1000000-4 6000059 6000058 -0.00% BenchmarkQuerierSelect/Block/100of1000000-4 6000419 6000418 -0.00% BenchmarkQuerierSelect/Block/1000of1000000-4 6004019 6004018 -0.00% BenchmarkQuerierSelect/Block/10000of1000000-4 6040019 6040018 -0.00% BenchmarkQuerierSelect/Block/100000of1000000-4 6400019 6400018 -0.00% BenchmarkQuerierSelect/Block/1000000of1000000-4 10000020 10000019 -0.00% benchmark old bytes new bytes delta BenchmarkQuerierSelect/Head/1of1000000-4 229192200 176001176 -23.21% BenchmarkQuerierSelect/Head/10of1000000-4 229193352 176002328 -23.21% BenchmarkQuerierSelect/Head/100of1000000-4 229204872 176013848 -23.21% BenchmarkQuerierSelect/Head/1000of1000000-4 229320072 176129048 -23.20% BenchmarkQuerierSelect/Head/10000of1000000-4 230472072 177281048 -23.08% BenchmarkQuerierSelect/Head/100000of1000000-4 241992072 188801048 -21.98% BenchmarkQuerierSelect/Head/1000000of1000000-4 357192072 304001048 -14.89% BenchmarkQuerierSelect/SortedHead/1of1000000-4 229193928 229193928 +0.00% BenchmarkQuerierSelect/SortedHead/10of1000000-4 229195080 229195080 +0.00% BenchmarkQuerierSelect/SortedHead/100of1000000-4 229206600 229206600 +0.00% BenchmarkQuerierSelect/SortedHead/1000of1000000-4 229321800 229321800 +0.00% BenchmarkQuerierSelect/SortedHead/10000of1000000-4 230473800 230473800 +0.00% BenchmarkQuerierSelect/SortedHead/100000of1000000-4 241993800 241993800 +0.00% BenchmarkQuerierSelect/SortedHead/1000000of1000000-4 357193800 357193800 +0.00% BenchmarkQuerierSelect/Block/1of1000000-4 227201516 227201500 -0.00% BenchmarkQuerierSelect/Block/10of1000000-4 227202924 227202908 -0.00% BenchmarkQuerierSelect/Block/100of1000000-4 227217036 227217020 -0.00% BenchmarkQuerierSelect/Block/1000of1000000-4 227358156 227358140 -0.00% BenchmarkQuerierSelect/Block/10000of1000000-4 228769356 228769340 -0.00% BenchmarkQuerierSelect/Block/100000of1000000-4 242881356 242881340 -0.00% BenchmarkQuerierSelect/Block/1000000of1000000-4 384001616 384001600 -0.00% Signed-off-by: Brian Brazil <brian.brazil@robustperception.io>	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
Chris Marchbanks	791a2409a2	Pre-allocate pendingSamples to reduce allocations Signed-off-by: Chris Marchbanks <csmarchbanks@gmail.com>	5 years ago
Chris Marchbanks	160186da18	Store labels.Labels instead of []prompb.Label This will use half the steady state memory as required by prompb.Label. Signed-off-by: Chris Marchbanks <csmarchbanks@gmail.com>	5 years ago
Bartek Płotka	48b2c9c8ea	remote-read: streamed chunked server side; Extended protobuf; Added chunked, checksumed reader (#5703 ) Part of: https://github.com/prometheus/prometheus/issues/4517 and https://github.com/improbable-eng/thanos/issues/488 Changes: * Extended protobuf for chunked remote read and negotation. * Added checksumed, chunked Writer/Reader. * Added Server side implementation for chunked streamed remote-read. Signed-off-by: Bartek Plotka <bwplotka@gmail.com>	5 years ago
Vadym Martsynovskyy	8318aa2d5d	Check for duplicate label names in remote read (#5829 ) * Check for duplicate label names in remote read Also add test to confirm that #5731 is fixed * Use subtests in TestValidateLabelsAndMetricName * Really check that expectedErr matches err Signed-off-by: Vadym Martsynovskyy <vmartsynovskyy@gmail.com>	5 years ago
Tariq Ibrahim	8fdfa8abea	refine error handling in prometheus (#5388 ) i) Uses the more idiomatic Wrap and Wrapf methods for creating nested errors. ii) Fixes some incorrect usages of fmt.Errorf where the error messages don't have any formatting directives. iii) Does away with the use of fmt package for errors in favour of pkg/errors Signed-off-by: tariqibrahim <tariq181290@gmail.com>	6 years ago
Tom Wilkie	cbf5f13285	Naive string iterning for labes & values in the remote_write path. Signed-off-by: Tom Wilkie <tom.wilkie@gmail.com>	6 years ago
Tom Wilkie	c7b3535997	Use pkg/relabelling in remote write. - Unmarshall external_labels config as labels.Labels, add tests. - Convert some more uses of model.LabelSet to labels.Labels. - Remove old relabel pkg (fixes #3647). - Validate external label names. Signed-off-by: Tom Wilkie <tom.wilkie@gmail.com>	6 years ago
Callum Styan	6f69e31398	Tail the TSDB WAL for remote_write This change switches the remote_write API to use the TSDB WAL. This should reduce memory usage and prevent sample loss when the remote end point is down. We use the new LiveReader from TSDB to tail WAL segments. Logic for finding the tracking segment is included in this PR. The WAL is tailed once for each remote_write endpoint specified. Reading from the segment is based on a ticker rather than relying on fsnotify write events, which were found to be complicated and unreliable in early prototypes. Enqueuing a sample for sending via remote_write can now block, to provide back pressure. Queues are still required to acheive parallelism and batching. We have updated the queue config based on new defaults for queue capacity and pending samples values - much smaller values are now possible. The remote_write resharding code has been updated to prevent deadlocks, and extra tests have been added for these cases. As part of this change, we attempt to guarantee that samples are not lost; however this initial version doesn't guarantee this across Prometheus restarts or non-retryable errors from the remote end (eg 400s). This changes also includes the following optimisations: - only marshal the proto request once, not once per retry - maintain a single copy of the labels for given series to reduce GC pressure Other minor tweaks: - only reshard if we've also successfully sent recently - add pending samples, latest sent timestamp, WAL events processed metrics Co-authored-by: Chris Marchbanks <csmarchbanks.com> (initial prototype) Co-authored-by: Tom Wilkie <tom.wilkie@gmail.com> (sharding changes) Signed-off-by: Callum Styan <callumstyan@gmail.com>	6 years ago
Callum Styan	5358f76c5c	update remote write path proto so that Labels/Timeseries can't be nil (#4957 ) Signed-off-by: Callum Styan <callumstyan@gmail.com>	6 years ago
Simon Pasquier	f678e27eb6	: use latest release of staticcheck (#5057 ) : use latest release of staticcheck It also fixes a couple of things in the code flagged by the additional checks. Signed-off-by: Simon Pasquier <spasquie@redhat.com> Use official release of staticcheck Also run 'go list' before staticcheck to avoid failures when downloading packages. Signed-off-by: Simon Pasquier <spasquie@redhat.com>	6 years ago
Tom Wilkie	d3a1ff1abf	Reduce memory usage of remote read by reducing pointer usage. (#4655 ) Signed-off-by: Tom Wilkie <tom.wilkie@gmail.com>	6 years ago
Tom Wilkie	457e4bb58e	Limit the number of samples remote read can return. (#4532 ) * Limit the number of samples remote read can return. - Return 413 entity too large. - Limit can be set be a flag. Allow 0 to mean no limit. - Include limit in error message. - Set default limit to 50M (* 16 bytes = 800MB). Signed-off-by: Tom Wilkie <tom.wilkie@gmail.com>	6 years ago
Thomas Jackson	92c6f0c92e	Add offset to selectParams (#4226 ) * Add Start/End to SelectParams * Make remote read use the new selectParams for start/end This commit will continue sending the start/end time of the remote read query as the overarching promql time and the specific range of data that the query is intersted in receiving a response to is now part of the ReadHints (upstream discussion in #4226). * Remove unused vendored code The genproto.sh script was updated, but the code wasn't regenerated. This simply removes the vendored deps that are no longer part of the codegen output. Signed-off-by: Thomas Jackson <jacksontj.89@gmail.com>	6 years ago
Tom Wilkie	0b189b2da9	Review feedback. Signed-off-by: Tom Wilkie <tom.wilkie@gmail.com>	7 years ago
Corentin Chary	530107f8ef	federation: nil pointer deference when using remove read ``` level=error ts=2018-06-13T07:19:04.515149169Z caller=stdlib.go:89 component=web caller="http: panic serving [::1" msg="]:56202: runtime error: invalid memory address or nil pointer dereference" level=error ts=2018-06-13T07:19:04.516199547Z caller=stdlib.go:89 component=web caller="http: panic serving [::1" msg="]:56204: runtime error: invalid memory address or nil pointer dereference" level=error ts=2018-06-13T07:19:04.51717692Z caller=stdlib.go:89 component=web caller="http: panic serving [::1" msg="]:56206: runtime error: invalid memory address or nil pointer dereference" level=error ts=2018-06-13T07:19:04.564952878Z caller=stdlib.go:89 component=web caller="http: panic serving [::1" msg="]:56208: runtime error: invalid memory address or nil pointer dereference" level=error ts=2018-06-13T07:19:04.566575791Z caller=stdlib.go:89 component=web caller="http: panic serving [::1" msg="]:56210: runtime error: invalid memory address or nil pointer dereference" level=error ts=2018-06-13T07:19:04.567106063Z caller=stdlib.go:89 component=web caller="http: panic serving [::1" msg="]:56212: runtime error: invalid memory address or nil pointer dereference" ``` When remove read is enabled, federation will call `q.Select(nil, mset...)` which will break remote reads because it currently doesn't handle empty SelectParams. Signed-off-by: Corentin Chary <c.chary@criteo.com>	7 years ago
Andreas Auernhammer	37d1bcf495	limit size of POST requests against remote read endpoint (#4239 ) This commit fixes a denial-of-service issue of the remote read endpoint. It limits the size of the POST request body to 32 MB such that clients cannot write arbitrary amounts of data to the server memory. Fixes #4238 Signed-off-by: Andreas Auernhammer <aead@mail.de>	7 years ago
Henri DF	2952387ed1	Pass query hints down into remote read query proto (#4122 ) Signed-off-by: Henri DF <henridf@gmail.com>	7 years ago
Mario Trangoni	464e747f1e	fix some comments typos (#4059 )	7 years ago
Tobias Schmidt	434f0374f7	Refactor remote storage querier handling * Decouple remote client from ReadRecent feature. * Separate remote read filter into a small, testable function. * Use storage.Queryable interface to compose independent functionalities.	7 years ago
Julius Volz	9f10c63cff	Fix remote read labelset corruption (#3456 ) The labelsets returned from remote read are mutated in higher levels (like seriesFilter.Labels()) and since the concreteSeriesSet didn't return a copy, the external mutation affected the labelset in the concreteSeries itself. This resulted in bizarre bugs where local and remote series would show with identical label sets in the UI, but not be deduplicated, since internally, a series might come to look like: {__name__="node_load5", instance="192.168.1.202:12090", job="node_exporter", node="odroid", node="odroid"} (note the repetition of the last label)	7 years ago
Tom Wilkie	746752b946	Merge external labels in order.	7 years ago
Tom Wilkie	ee011d906d	Port remote read server to 2.0.	7 years ago
Tom Wilkie	56820726fa	Move a couple of the encoding/decoding functions into codec.go	7 years ago
Tom Wilkie	16f71a7723	Port codec.go over form 1.8 branch.	7 years ago

26 Commits (8c2bc2f57a4e01121dbe0377fbaa7805311afc8e)