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105 commits

Author SHA1 Message Date
Tobias Schmidt 40c278ee2d Send a HTTP Accept header when scraping 2017-09-25 14:51:29 +02:00
Fabian Reinartz 249d69b513 Merge pull request #3186 from prometheus/startweb 
web: start web handler while TSDB is starting up
 2017-09-21 09:53:03 +02:00
Fabian Reinartz 7b02bfee0a web: start web handler while TSDB is starting up 2017-09-20 15:03:19 +02:00
Fabian Reinartz 437f51a85f Fix cache maintenance on changing metric representations 
We were not properly maintaining the scrape cache when the same metric
was exposed with a different string representation.
This overall reduces the scraping cache's complexity, which fixes the
issue and saves about 10% of memory in a scraping-only Prometheus
instance.
 2017-09-19 15:03:27 +02:00
Goutham Veeramachaneni 3f0267c548 Merge branch 'dev-2.0' into go-kit/log 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-09-15 23:15:27 +05:30
Fabian Reinartz 1121b9f7d4 retrieval: cache dropped series, mutate labels in place 2017-09-14 08:36:19 +02:00
Fabian Reinartz d21f149745 *: migrate to go-kit/log 2017-09-08 22:01:51 +05:30
Fabian Reinartz 5bed8af4cb retrieval: pool scrape buffers 
This adds a bucketed buffer pool to the scrapers so we don't have to
allocate a new buffer on each scrape or hold it fixed to the scrape
loop.

The latter can consume significant amounts of unused memory, e.g. 4GB
when scraping 2MB /metrics from 2000 targets.
 2017-09-07 14:43:21 +02:00
Fabian Reinartz a8887f46dc Merge branch 'dev-2.0' of github.com:prometheus/prometheus into dev-2.0 2017-09-07 14:15:12 +02:00
Fabian Reinartz 0efecea6d4 Adapt storage APIs to uint64 references 2017-09-07 14:14:41 +02:00
Krasi Georgiev 153cb0cbe3 scraping errors will show in the log when debug mode is enabled (#3135) 
Signed-off-by: Krasi Georgiev <krasi.root@gmail.com>
 2017-09-05 11:55:14 +01:00
Fabian Reinartz 9516d04472 util: Add idle timeout for scrape connections 2017-08-10 14:47:51 +02:00
Fabian Reinartz 4d3d8ee229 Merge pull request #2850 from tomwilkie/dev-2.0-remote 
Remote APIs for v2
 2017-08-03 13:39:09 +02:00
Edward Marshall c490725ac9 Additional targetScrapeSample metrics (#3018) 2017-08-02 13:10:18 +01:00
Tom Wilkie 1f3b59ccf5 s/met/lset/ 2017-07-18 11:42:29 +01:00
Tom Wilkie 014bd31a86 Remove unnecessary whitespace changes, add comment. 2017-07-13 11:26:46 +01:00
Tom Wilkie 2ac1809a5b Get label set from cache in addReportSample. 2017-07-12 22:09:16 +01:00
Tom Wilkie 240feb313b Don't regenerate label set for cached values. 2017-07-12 15:54:38 +01:00
Tom Wilkie db8128ceeb Add label set as first parameter to AddFast, ingored by TSDB adapter. 2017-07-12 15:20:12 +01:00
Goutham Veeramachaneni 243419c007 Return tsdb.ErrOutOfBounds as storage.ErrOutOfBounds 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-07-06 14:18:31 +02:00
Goutham Veeramachaneni 643c5837a0 Stop metrics that are 10mins ahead from now 
Fixes #2893

Signed-off-by: Goutham Veeramachaneni <goutham@boomerangcommerce.com>
 2017-07-04 15:34:08 +02:00
Goutham Veeramachaneni 3069bd3996 Handle scrapes with OutOfBounds metrics better 
fixes #2894

Signed-off-by: Goutham Veeramachaneni <goutham@boomerangcommerce.com>
 2017-07-04 11:24:13 +02:00
Fabian Reinartz 9ea748e745 Don't reallocate label set if still known 
If the storage deprecates a ref, we have to re-insert with the full
label set. Typically that doesn't correlate with a new series being
created.
We can still use the allocated label set from before.
 2017-06-26 14:38:57 +02:00
Fabian Reinartz 2368d2c45b retrieval: fix memory leak in scrape cache 2017-06-26 00:24:54 +02:00
Fabian Reinartz 98c2d8477a Merge pull request #2844 from Gouthamve/cobra 
Move CLI commander to cobra
 2017-06-19 11:59:52 +02:00
Goutham Veeramachaneni 507790a357
Rework logging to use explicitly passed logger 
Mostly cleaned up the global logger use. Still some uses in discovery
package.

Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-06-16 15:52:44 +05:30
Julius Volz 6f66125809 retrieval: Fix "up" reporting for failed scrapes 2017-06-14 22:22:12 -04:00
Fabian Reinartz 669075c6b9 Merge branch 'master' into dev-2.0 2017-06-06 09:36:51 +02:00
Fabian Reinartz eb651233ac Merge pull request #2787 from prometheus/limit2 
Rework sample limit to work for 2.0
 2017-06-06 08:21:12 +02:00
Brian Brazil 37bc607e96 Rework sample limit to work for 2.0 
Correctly update reported series.
Increment prometheus_target_scrapes_exceeded_sample_limit_total.
Add back unittests.
Ignore stale markers when calculating sample limit.

Fixes #2770
 2017-05-31 15:41:51 +01:00
Fabian Reinartz bc7aff8cef retrieval: extract scrape cache 2017-05-30 09:37:23 -07:00
Fabian Reinartz a83014f53c retrieval: fix memory leak and consumption for caches 2017-05-26 08:44:24 +02:00
Fabian Reinartz 3d8661b8d5 Add comment 2017-05-24 17:05:42 +02:00
Fabian Reinartz 43ca652217 retrieval: Don't allocate map on every scrape 2017-05-24 16:23:48 +02:00
Fabian Reinartz d3f662f15e Merge branch 'dev-2.0' into grobie/reduce-noisy-append-errors 2017-05-24 15:29:30 +02:00
Fabian Reinartz d289dc55c3 storage: update TSDB 2017-05-22 11:53:08 +02:00
Brian Brazil 0920972f79 Initilise scraped sample map, and rename to series map. 2017-05-16 18:33:51 +01:00
Brian Brazil bf38963118 Plumb through logger with target field to scrape loop. 2017-05-16 18:33:51 +01:00
Brian Brazil d657d722dc Log count of dupliates/out of order samples as warnings. 
Keep log of each sample as debug log.
 2017-05-16 18:33:51 +01:00
Brian Brazil 8b9d3e7547 Put end of run staleness handler in seperate function. 
Improve log message.
 2017-05-16 18:33:51 +01:00
Brian Brazil d532272520 Add stalemarkers to synthetic series too when target stops. 2017-05-16 18:33:51 +01:00
Brian Brazil b87d3ca9ea Create stale markers when a target is stopped. 
When a target is no longer returned from SD stop()
is called. However it may be recreated before the
next scrape interval happens. So we wait to set stalemarkers
until the scrape of the new target would have happened
and been ingested, which is 2 scrape intervals.

If we're shutting down the context will be cancelled,
so return immediately rather than holding things up for potentially
minutes waiting to safely set stalemarkers no newer than now.
If the server starts immediately back up again all is well.
If not, we're missing some stale markers.
 2017-05-16 18:33:51 +01:00
Brian Brazil 95162ebc16 Add log messages for out of order samples 2017-05-16 18:33:51 +01:00
Brian Brazil 3c45400130 Don't fail scrape if one sample violates ordering. 
In Prometheus 1.x one sample that is out of order
or that has a duplicate timestamp is discarded, and
the rest of the scrape ingestion continues on.
This will now also be true for 2.0.
 2017-05-16 18:33:51 +01:00
Brian Brazil fd5c5a50a3 Add stale markers on parse error. 
If we fail to parse the result of a scrape,
we should treat that as a failed scrape and
add stale markers.
 2017-05-16 18:33:51 +01:00
Brian Brazil c0c7e32e61 Treat a failed scrape as an empty scrape for staleness. 
If a target has died but is still in SD, we want the previously
scraped values to go stale. This would also apply to brief blips.
 2017-05-16 18:33:51 +01:00
Brian Brazil 850ea412ad If an explicit timestamp is provided, bypass staleness. 2017-05-16 18:33:51 +01:00
Brian Brazil a5cf25743c Move stalness check into a function 2017-05-16 18:33:51 +01:00
Brian Brazil 4f35952cf3 Inject a stale NaN when sample disappears between scrapes. 2017-05-16 18:33:51 +01:00
Brian Brazil beaa7d5a43 Move consistent NaN logic into the parser. 2017-05-16 18:33:51 +01:00