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494 commits

Author SHA1 Message Date
Tobias Schmidt 368206d2f5 Handle errSeriesDropped correctly 
If metrics_relabel_configs are used to drop metrics, an errSeriesDropped
is returned. This shouldn't be used to return an error at the end of a
append() call.
 2017-05-05 14:58:36 +02:00
Fabian Reinartz e829dbe2be retrieval: comment out accept header again 2017-04-27 11:46:08 +02:00
Fabian Reinartz 73b8ff0ddc Merge branch 'master' into dev-2.0 2017-04-27 10:19:55 +02:00
Matt Layher 5e4f5fb5ad retrieval: make scrape timeout header consistent with others 2017-04-05 14:56:22 -04:00
Alexey Palazhchenko 17f15d024a Small fixes. (#2578) 
Fix typos. Simplify with gofmt -s
 2017-04-05 14:24:22 +01:00
Matt Layher fe4b6693f7 retrieval: add Scrape-Timeout-Seconds header to each scrape request (#2565) 
Fixes #2508.
 2017-04-04 18:26:28 +01:00
Fabian Reinartz 8ffc851147 Merge branch 'master' into dev-2.0 2017-04-04 15:17:56 +02:00
Julius Volz 947c83be3b Sort targets by instance within a job 
Fixes https://github.com/prometheus/prometheus/issues/2536
 2017-03-31 13:14:20 +02:00
Julius Volz 815762a4ad Move retrieval.NewHTTPClient -> httputil.NewClientFromConfig 2017-03-20 14:17:04 +01:00
Fabian Reinartz c389193b37 Merge branch 'master' into dev-2.0 2017-03-17 16:27:07 +01:00
Fabian Reinartz 5ec1efe622 retrieval: fix test 2017-03-08 15:37:12 +01:00
Fabian Reinartz d9fb57cde4 *: Simplify []byte to string unsafe conversion 2017-03-07 11:41:11 +01:00
Fabian Reinartz 9304179ef7 Merge branch 'master' into dev-2.0 2017-03-02 08:16:58 +01:00
Erdem Agaoglu 8809735d7f Setting User-Agent header (#2447) 2017-02-28 09:59:33 -04:00
Fabian Reinartz cc0ff26f1f retrieval: handle GZIP compression ourselves 
The automatic GZIP handling of net/http does not preserve
buffers across requests and thus generates a lot of garbage.
We handle GZIP ourselves to circumvent this.t
 2017-02-22 13:25:25 +01:00
Fabian Reinartz 311e7b5069 storage/vendor: update to latest fabxc/tsdb 2017-02-20 11:11:44 +01:00
Fabian Reinartz 5772f1a7ba retrieval/storage: adapt to new interface 
This simplifies the interface to two add methods for
appends with labels or faster reference numbers.
 2017-02-02 13:05:46 +01:00
Brian Brazil 34767c2221 Clone lset before relabelling. (#2386) 
We need to not change the lset passed into populateLabels, as that
is kept around by the SDs.

Fixes 2377
 2017-02-01 19:49:50 +00:00
Fabian Reinartz 1d3cdd0d67 Merge branch 'master' into dev-2.0-rebase 2017-01-30 17:43:01 +01:00
Fabian Reinartz 035976b275 retrieval: handle not found error correctly 2017-01-20 11:27:01 +01:00
Fabian Reinartz 598e2f01c0 retrieval: don't erronously break appending 2017-01-17 08:39:18 +01:00
Fabian Reinartz c691895a0f retrieval: cache series references, use pkg/textparse 
With this change the scraping caches series references and only
allocates label sets if it has to retrieve a new reference.
pkg/textparse is used to do the conditional parsing and reduce
allocations from 900B/sample to 0 in the general case.
 2017-01-16 12:03:57 +01:00
Fabian Reinartz ad9bc62e4c storage: extend appender and adapt it 2017-01-13 14:48:01 +01:00
Fabian Reinartz 3302bb1eb1 Merge pull request #2323 from prometheus/beorn7/retrieval 
Retrieval: Avoid copying Target
 2017-01-08 06:49:47 +01:00
Björn Rabenstein ad40d0abbc Merge pull request #2288 from prometheus/limit-scrape 
Add ability to limit scrape samples, and related metrics
 2017-01-08 01:34:06 +01:00
beorn7 5dc01202d7 Retrieval: Remove some test lines that fail on Travis only 
These lines exercise an append in
TestScrapeLoopWrapSampleAppender. Arguably, append shouldn't be tested
there in the first place.

Still it's weird why this fails on Travis:

```
--- FAIL: TestScrapeLoopWrapSampleAppender (0.00s)
    scrape_test.go:259: Expected count of 1, got 0
    scrape_test.go:290: Expected count of 1, got 0
2017/01/07 22:48:26 http: TLS handshake error from 127.0.0.1:50716: read tcp 127.0.0.1:40265->127.0.0.1:50716: read: connection reset by peer
FAIL
FAIL	github.com/prometheus/prometheus/retrieval	3.603s
```

Should anybody ever find out why, please revert this commit accordingly.
 2017-01-08 00:01:46 +01:00
beorn7 3610331eeb Retrieval: Do not buffer the samples if no sample limit configured 
Also, simplify and streamline the code a bit.
 2017-01-07 18:18:54 +01:00
beorn7 767c0709b1 Retrieval: Avoid copying Target 
retreival.Target contains a mutex. It was copied in the Targets()
call. This potentially can wreak a lot of havoc.

It might even have caused the issues reported as #2266 and #2262 .
 2017-01-06 18:43:41 +01:00
Fabian Reinartz e631a1260d retrieval: use separate appender per target 2016-12-30 21:35:35 +01:00
Fabian Reinartz f8fc1f5bb2 *: migrate ingestion to new batch Appender 2016-12-29 11:03:56 +01:00
Brian Brazil 6c07453ec1 Only clone the metric in the one place relabelling needs it. (#2292) 
This cuts ~17% off memory allocations related to ingesting data
in a basic setup.
 2016-12-21 10:00:33 +00:00
Brian Brazil f421ce0636 Remove label from prometheus_target_skipped_scrapes_total (#2289) 
This avoids it not being intialised, and breaking out by
interval wasn't partiuclarly useful.

Fixes #2269
 2016-12-16 18:00:52 +00:00
Brian Brazil 30448286c7 Add sample_limit to scrape config. 
This imposes a hard limit on the number of samples ingested from the
target. This is counted after metric relabelling, to allow dropping of
problemtic metrics.

This is intended as a very blunt tool to prevent overload due to
misbehaving targets that suddenly jump in sample count (e.g. adding
a label containing email addresses).

Add metric to track how often this happens.

Fixes #2137
 2016-12-16 15:10:09 +00:00
Brian Brazil c8de1484d5 Add scrape_samples_post_metric_relabeling 
This reports the number of samples post any keep/drop
from metric relabelling.
 2016-12-13 17:32:11 +00:00
Brian Brazil 06b9df65ec Refactor and add unittests to scrape result handling. 2016-12-13 16:49:17 +00:00
Brian Brazil b5ded43594 Allow buffering of scraped samples before sending them to storage. 2016-12-13 15:01:35 +00:00
Frederic Branczyk 33b583d50e
web/api: add targets endpoint 2016-12-05 13:13:21 +01:00
Frederic Branczyk 8f8cea4fbd
retrieval: refactor TargetManager to return flat list of Targets 2016-12-02 13:28:58 +01:00
Fabian Reinartz 200bbe1bad config: extract SD and HTTPClient configurations 2016-11-23 18:23:37 +01:00
Fabian Reinartz 47623202c7 retrieval: remove metric namespaces 2016-11-23 09:17:04 +01:00
Fabian Reinartz d7f4f8b879 discovery: move TargetSet into discovery package 2016-11-23 09:14:44 +01:00
Fabian Reinartz d19d1bcad3 discovery: move into top-level package 2016-11-22 12:56:33 +01:00
Fabian Reinartz 7bd9508c9b discovery: move TargetProvider and multi-constructor 2016-11-22 12:56:33 +01:00
Fabian Reinartz bd0048477c discovery: move remaining SDs into own package 2016-11-22 12:56:33 +01:00
Fabian Reinartz 5b72eae1b0 Merge pull request #2203 from prometheus/sdfix 
Service discovery fixes
 2016-11-21 16:46:20 +01:00
Fabian Reinartz ec66082749 Merge branch 'ec2_sd_profile_support' of https://github.com/Ticketmaster/prometheus into Ticketmaster-ec2_sd_profile_support 2016-11-21 11:49:23 +01:00
Fabian Reinartz 06555bde93 Merge branch 'k8s_sd_metrics' of https://github.com/dominikschulz/prometheus into dominikschulz-k8s_sd_metrics 2016-11-21 11:44:48 +01:00
Fabian Reinartz a1eec447a4 discovery: fix+consolidate Zookeeper discoveries 2016-11-18 13:20:58 +01:00
Fabian Reinartz b4d7ce1370 discovery: respect context cancellation everywhere 
This also removes closing of the target group channel everywhere
as the contexts cancels across all stages and we don't care about
draining all events once that happened.
 2016-11-18 10:55:29 +01:00
Fabian Reinartz bc7bd7202c discovery: terminate senders before closing channel 
Fixes #2200
 2016-11-18 10:03:12 +01:00