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Author SHA1 Message Date
Bjoern Rabenstein 74c9b34a5e Improve storage instrumentation even more. 
Add gauge for chunks and chunkdescs in memory (backed by a global
variable to be used later not only for instrumentation but also for
memory management).

Refactored instrumentation code once more (instrumentation.go is back :).

Change-Id: Ife39947e22a48cac4982db7369c231947f446e17
 2014-11-25 17:09:04 +01:00
Julius Volz c3fcea45e3 Support finer time resolutions than 1 second. 
Change-Id: I4c5f1d6d2361e841999b23283d1961b1bd0c2859
 2014-11-25 17:09:04 +01:00
Julius Volz 0712d738d1 Allow alternative "by"-clause position in grammar. 
In addition to the existing by-clause syntax:

  sum(<expression>) by (<labels>) [keeping_extra]

...this allows the following new syntax:

  sum by (<labels>) [keeping_extra] (<expression>)

Both orderings may be used in a single expression. It is up to the users
to establish guidelines around their usage.

Change-Id: Iba10c9cc5fb6ac62edfcf246d281473e82467992
 2014-11-25 17:09:04 +01:00
Brian Brazil f114bbd4e7 Make query_range more robust. 
Gracefully handle decimal values, by truncating them.

Limit amount of steps, to avoid accidentally pulling too much data.
This limit returns up to ~500kB per timeseries, and allows
for 60s granularity for a week and 1h granularity for a year.

Change-Id: Ie549fc24deb2eecbc6c5d1b6088a548a6b02e849
 2014-11-25 17:09:04 +01:00
Brian Brazil 75e37db55b Don't alert() when a query is aborted, 
such as when you change the range.

Change-Id: I574504f97446ac5f3dda737fe054ae83f17dbbc2
 2014-11-25 17:09:04 +01:00
Julius Volz 0e48c18bbf Allow omitting the metric name in queries. 
This allows the following expression syntaxes for selecting timeseries:

  foo                    (already valid before)
  foo{}                  (already valid before)
  {job="prometheus"}     (new, select all timeseries for job "prometheus")

Omitting both the metric name *and* any label matchers ("" or "{}") will
still yield a syntax error.

To get all timeseries, you could do:

    {__name__=~".*"}
       or, without relying on knowledge about __metric__:
    {job=~".*"}

Change-Id: Ifee000b9ac0184ef6ced18411069c7f2699a2dda
 2014-11-25 17:09:04 +01:00
Bjoern Rabenstein 443dd33805 Improve instrumentation in storage. 
Also, fix some other minor bugs.

Change-Id: If72f1c058b0f47d3e378fdf80228d7e9a8db06c7
 2014-11-25 17:09:04 +01:00
Julius Volz 351e66c5d2 Remove obsolete "coding" directory. 
Change-Id: I9e71098fd526336b4af7f7eab6d2a43504079658
 2014-11-25 17:09:04 +01:00
Bjoern Rabenstein 1936a40e75 Minor loging improvement. 
Change-Id: I7875d1a58ef9c5ff149f18e36f65959a4712fea2
 2014-11-25 17:09:04 +01:00
Bjoern Rabenstein 192bf52c41 Evict chunkDescs, too. 
Change-Id: I8b70f22fbf1dfcbc49f9ec391985144649e6ce9c
 2014-11-25 17:09:04 +01:00
Bjoern Rabenstein 95f392fb2c Prevent an indexing death spiral. 
Change-Id: I86b20cd0830d02f87b2f020767257e2d3fb2033c
 2014-11-25 17:09:04 +01:00
Bjoern Rabenstein 40354eaa29 Reduce directory depth by one. 
Change-Id: I7f89df61135ff19169ed97633a662685d414c448
 2014-11-25 17:09:04 +01:00
Bjoern Rabenstein 096fa0f8b2 Squash a number of TODOs. 
- Staleness delta is no a proper function parameter and not replicated
  from package ast.

- Named type 'chunks' replaced by explicit '[]chunk' to avoid confusion.

- For the same reason, replaced 'chunkDescs' by '[]*chunkDescs'.

- Verified that math.Modf is not a speed enhancement over conversion
  (actually 5x slower).

- Renamed firstTimeField, lastTimeField into chunkFirstTime and
  chunkLastTime.

- Verified unpin() is sufficiently goroutine-safe.

- Decided not to update archivedFingerprintToTimeRange upon series
  truncation and added a rationale why.

Change-Id: I863b8d785e5ad9f71eb63e229845eacf1bed8534
 2014-11-25 17:09:04 +01:00
Bjoern Rabenstein 427c8d53a5 Fix handling of empty chunkDescs while preloading chunks. 
Change-Id: I73ce89fe0ef90c6eda78218e5be2cbfa0207c364
 2014-11-25 17:09:04 +01:00
Bjoern Rabenstein ecee5d8281 Fix head chunk persisting and a chunkDesc race condition. 
- Head chunk persisting only happens in evictOlderThan, so do it
  there.  (With the previous code, it would never happen.)

- Raw accesses to chunkDesc.chunk are now done via isEvicted (with
  locking).

Change-Id: I48b07b56dfea4899b50df159b4ea566954396fcd
 2014-11-25 17:09:04 +01:00
Bjoern Rabenstein 9c3ecc2134 Remove unused flags. 
Change-Id: Ie1bcbb0743d65e92072628811706d49753023205
 2014-11-25 17:09:03 +01:00
Bjoern Rabenstein 6b37e47f9e Remove unused metrics. 
Change-Id: Icf03ba4ce92a5e38daf12930f9661daba79c83bb
 2014-11-25 17:09:03 +01:00
Bjoern Rabenstein 2b4ff620aa Return a nop iterator for series that have been purged completely. 
Change-Id: I6e92cac4472486feefdecba8593c17867e8c710d
 2014-11-25 17:09:03 +01:00
Bjoern Rabenstein 6e3a366f91 Only archive a time series when none of its chunks is pinned. 
Change-Id: I7e4b67c34b417b8980173bc5dc3b213bd7d698e5
 2014-11-25 17:09:03 +01:00
Julius Volz bfa64248b7 Deal with missing series in preloading. 
Change-Id: Ibf3a57b329f40a3d5e0b98464a2f45d2f1bd07bf
 2014-11-25 17:09:03 +01:00
Bjoern Rabenstein ca42a22e20 Add safety panic to seriesMap.put. 
Change-Id: I4d4d2e45cc0f908a33eb1ae6e3ee6796adfcbd1e
 2014-11-25 17:09:03 +01:00
Bjoern Rabenstein 83b4fa868d Fix GetBoundaryValues. 
Change-Id: I8f8bbdb88e9b24e4c37ff869126ed9343f261ce2
 2014-11-25 17:08:45 +01:00
Bjoern Rabenstein 4fc8ad6677 Fix retrieval unit tests. 
Change-Id: I299b71406b59539230e5182ccc37bc8a83af60b3
 2014-11-25 17:08:45 +01:00
Bjoern Rabenstein b3ed9aa7a2 Clean up start-up and shut-down. 
Change-Id: Idff4bbb0a15a9f879bfbb3da5b1025179cab5e2c
 2014-11-25 17:08:45 +01:00
Bjoern Rabenstein 4447708c9f Fix a race in target.go. 
Also, fix problems in shutdown.
Starting serving and shutdown still has to be cleaned up properly.
It's a mess.

Change-Id: I51061db12064e434066446e6fceac32741c4f84c
 2014-11-25 17:08:45 +01:00
Bjoern Rabenstein fd6600850a Fix race in chunkDesc. 
Change-Id: Id7bae115d75886e10d44184a690a76777b1531fe
 2014-11-25 17:08:45 +01:00
Bjoern Rabenstein 1c53c09558 Treat empty chunkDescs properly in preloadChunksForRange. 
Change-Id: Ida1bd3fe1f9fb0ea2d5dbb9704be926f0824f873
 2014-11-25 17:08:45 +01:00
Bjoern Rabenstein 934d09f738 Fix race during shutdown. 
Change-Id: I2f8bf48d92a14f1e5ecde27c1b138734d7653394
 2014-11-25 17:08:45 +01:00
Bjoern Rabenstein 38fc24d0ed Fix targetpool_test.go and other tests. 
Change-Id: I91a4dd1d39e01f174e1aaae653ce1ed7aecaa624
 2014-11-25 17:08:26 +01:00
Brian Brazil fd34e4061d Add back consoles link. 
Goes in index.html in consoles or else user data, if present.

Change-Id: I5303d30aa24ca0c20d2e0f49121e04a260b9c4f4
 2014-11-25 17:08:26 +01:00
Andres Suarez e389e63684 Focus expression after selection from dropdown 
Change-Id: Id7f67e558e3611ab4c7188cc428c342d8d3e67db
 2014-11-25 17:08:26 +01:00
Andres Suarez 86a447fc0e Allow selecting metric from Insert Metric 
Change-Id: I99e0539cab2749a8aeabc0a13015889ff45834f7
 2014-11-25 17:08:26 +01:00
Julius Volz 7f5d3c2c29 Fix and improve the fp locker. 
Benchmark:
$ go test -bench 'Fingerprint' -test.run 'Fingerprint' -test.cpu=1,2,4

OLD
BenchmarkFingerprintLockerParallel        500000              3618 ns/op
BenchmarkFingerprintLockerParallel-2      100000             12257 ns/op
BenchmarkFingerprintLockerParallel-4      500000             10164 ns/op
BenchmarkFingerprintLockerSerial        10000000               283 ns/op
BenchmarkFingerprintLockerSerial-2      10000000               284 ns/op
BenchmarkFingerprintLockerSerial-4      10000000               288 ns/op

NEW
BenchmarkFingerprintLockerParallel       1000000              1018 ns/op
BenchmarkFingerprintLockerParallel-2     1000000              1164 ns/op
BenchmarkFingerprintLockerParallel-4     2000000               910 ns/op
BenchmarkFingerprintLockerSerial        50000000                56.0 ns/op
BenchmarkFingerprintLockerSerial-2      50000000                47.9 ns/op
BenchmarkFingerprintLockerSerial-4      50000000                54.5 ns/op

Change-Id: I3c65a43822840e7e64c3c3cfe759e1de51272581
 2014-11-25 17:07:45 +01:00
Bjoern Rabenstein 7ad55ef83c Actually close the iterator channels. 
Change-Id: I6f6a2aef5ff55c6b2d21ad91d02ae6b0ecba4ae8
 2014-11-25 17:07:45 +01:00
Bjoern Rabenstein 8fba3302bc Bold changes to concurrency. 
(WIP. Probably doesn't work yet.)

Change-Id: Id1537dfcca53831a1d428078a5863ece7bdf4875
 2014-11-25 17:07:45 +01:00
Bjoern Rabenstein fcdf5a8ee7 Fix bugs in chunk evict code. 
Also, simplify code by re-looking up metric in metric map.

Change-Id: Ib2092f9184374e5a543e87d3a9f4a74fda64b193
 2014-11-25 17:07:45 +01:00
Bjoern Rabenstein 7e6a03fbf9 Fix a few concurrency issues before starting to use the new fp locker. 
Change-Id: I8615e8816e79ef0882e123163ee590c739b79d12
 2014-11-25 17:07:45 +01:00
Julius Volz db92620163 Instrument eviction and purge durations. 
Change-Id: Ia5b2319363ad2644674c9b7a94162a89bcc296fb
 2014-11-25 17:07:45 +01:00
Julius Volz e0ee7ec7ab Add fingerprintLocker for locking individual fingerprints. 
Change-Id: Id41ba555715229edf7d6543f56736b82f6eff1ef
 2014-11-25 17:07:45 +01:00
Julius Volz df1b2a2422 Fix indexing latency instrumentation. 
Change-Id: I532c170121cd2996d1a378adbb1fd551cd5a4e38
 2014-11-25 17:07:44 +01:00
Bjoern Rabenstein 01dd618a20 Fix a locking bug. 
Change-Id: I183780785991d0b4165ce9186f53eb8201fb3ed5
 2014-11-25 17:07:44 +01:00
Julius Volz 358f97791d Minor cleanups. 
Change-Id: Ia8685d8439a421fe2143d9ec7120d5bb5ab88d78
 2014-11-25 17:07:44 +01:00
Julius Volz a746fbb8bc Instrument indexing: queue length, batch sizes and latencies. 
Change-Id: I60bcbd24b160e47d418a485d8cffa39344a257c6
 2014-11-25 17:07:44 +01:00
Bjoern Rabenstein aea32b0b4b Avoid redundant fingerprint calculation. 
Change-Id: Ief8a165dcfa5030226953346ec9dfe4a7787df1f
 2014-11-25 17:07:44 +01:00
Bjoern Rabenstein e9ff29c547 Comment/code cleanup. 
Change-Id: I38736e3d0fec79759a2bafa35aecf914480ff810
 2014-11-25 17:07:44 +01:00
Bjoern Rabenstein 0031a448e2 Add WaitForIndexing. 
Change-Id: I5a5c975c4246632f937413322c855bbe63d00802
 2014-11-25 17:07:44 +01:00
Bjoern Rabenstein c7aad110fb Add an indexing queue and batch the ops. 
Some other improvements on the way, in particular codec -> codable
renaming and addition of LookupSet methods.

Change-Id: I978f8f3f84ca8e4d39a9d9f152ae0ad274bbf4e2
 2014-11-25 17:07:44 +01:00
Bjoern Rabenstein 71206dbc06 More code cleanups. 
Add license text everywhere.
And others....

Change-Id: I11ccde267a2ef7eb366c4788ba7aeae14ba7545c
 2014-11-25 17:07:44 +01:00
Julius Volz f0d5d4bda3 Fix bug around index purging. 
Change-Id: I8cea00e03f72bbeead2cbd2d26b34d986059ced0
 2014-11-25 17:07:44 +01:00
Julius Volz 630b5a087a Also consider on-disk fingerprints during purge. 
This reintroduces LevelDB iterators so that we can iterate through all
the on-disk fingerprints.

Change-Id: I007ee4638d038d2a4461bbda27f30fcaad411474
 2014-11-25 17:07:35 +01:00