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Author SHA1 Message Date
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
Bjoern Rabenstein f5f9f3514a Major code cleanup. 
- Make it go-vet and golint clean.
- Add comments, TODOs, etc.

Change-Id: If1392d96f3d5b4cdde597b10c8dff1769fcfabe2
 2014-11-25 17:02:53 +01:00
Bjoern Rabenstein 3592dc2359 Implement series eviction. 
Change-Id: I7a503e0ba78aae3761d032851b06f2807122b085
 2014-11-25 17:02:52 +01:00
Bjoern Rabenstein bbf49200ab Implement methods in persistence.go. 
Change-Id: I804cdd0b30420e171825fd86fe1281eca0d5e638
 2014-11-25 17:02:23 +01:00
Bjoern Rabenstein 5a128a04a9 Major reorganization of the storage. 
Most important, the heads file will now persist all the chunk descs,
too. Implicitly, it will serve as the persisted form of the
fp-to-series map.

Change-Id: Ic867e78f2714d54c3b5733939cc5aef43f7bd08d
 2014-11-25 17:02:01 +01:00
Bjoern Rabenstein e7cb9ddb9f Use a sync.pool for the staging buffer in codec.go. 
Change-Id: I1aae6847f77b5a7c75582b07c199b1943cf90552
 2014-11-25 17:02:01 +01:00
Bjoern Rabenstein 4770cf76a4 Make index package more self-contained. 
Moved interna from diskPersistence into the indexer.
TotalIndexer now called diskIndexer.

Change-Id: I6c8c62cb171f12bbd8a5474773af7786d71ba388
 2014-11-25 17:02:01 +01:00