prometheus/tsdb
Bryan Boreham 2327236bb5
Decrement active_appenders metric when no samples added (#9230)
* Decrement active_appenders metric when no samples added

Also add a test that the metric is incremented and decremented as
expected with and without samples.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>

* Fix comment

Signed-off-by: Ganesh Vernekar <ganeshvern@gmail.com>

Co-authored-by: Ganesh Vernekar <ganeshvern@gmail.com>
2021-09-08 14:49:58 +05:30
..
chunkenc remove redundant parentheses (#9134) 2021-07-29 18:26:57 +05:30
chunks Add new Go build tags. 2021-08-27 10:24:14 +02:00
docs/format Exemplars in snapshot (#9255) 2021-08-30 19:34:38 +05:30
encoding Snapshot in-memory chunks on shutdown for faster restarts (#7229) 2021-08-06 17:51:01 +01:00
errors MultiError: Refactored MultiError for more concise and safe usage. (#8066) 2020-10-28 15:24:58 +00:00
fileutil Add new Go build tags. 2021-08-27 10:24:14 +02:00
goversion Add new Go build tags. 2021-08-27 10:24:14 +02:00
index Remove symbols map from TSDB head (#9301) 2021-09-08 14:48:48 +05:30
record Exemplars in snapshot (#9255) 2021-08-30 19:34:38 +05:30
test labels: Reduce allocated memory and latency of Hash method; Added tests. (#8025) 2020-10-15 11:31:28 +01:00
testdata tsdb: Delete blocks atomically; Remove tmp blocks on start; Added test. (#7772) 2020-08-11 06:56:08 +01:00
tombstones Switched to go-kit/log 2021-06-11 12:28:36 -04:00
tsdbutil storage: Split chunks if more than 120 samples (#8582) 2021-05-18 18:37:16 +02:00
wal Snapshot in-memory chunks on shutdown for faster restarts (#7229) 2021-08-06 17:51:01 +01:00
.gitignore Moving tsdb into its own subdirectory 2019-08-13 13:58:49 +05:30
block.go LabelNames API with matchers (#9083) 2021-07-20 18:08:08 +05:30
block_test.go LabelNames API with matchers (#9083) 2021-07-20 18:08:08 +05:30
blockwriter.go Switched to go-kit/log 2021-06-11 12:28:36 -04:00
blockwriter_test.go Switched to go-kit/log 2021-06-11 12:28:36 -04:00
CHANGELOG.md Rename default branch to main 2021-02-22 20:28:02 +01:00
compact.go Switched to go-kit/log 2021-06-11 12:28:36 -04:00
compact_test.go Switched to go-kit/log 2021-06-11 12:28:36 -04:00
db.go Snapshot in-memory chunks on shutdown for faster restarts (#7229) 2021-08-06 17:51:01 +01:00
db_test.go Also ignore func1 2021-08-28 22:42:22 -04:00
exemplar.go Fix div by 0 panic is resize function. (#9286) 2021-09-02 11:08:05 -07:00
exemplar_test.go Fix div by 0 panic is resize function. (#9286) 2021-09-02 11:08:05 -07:00
head.go Remove symbols map from TSDB head (#9301) 2021-09-08 14:48:48 +05:30
head_append.go Decrement active_appenders metric when no samples added (#9230) 2021-09-08 14:49:58 +05:30
head_bench_test.go React UI: Add Starting Screen (#8662) 2021-06-05 15:29:32 +01:00
head_read.go Remove symbols map from TSDB head (#9301) 2021-09-08 14:48:48 +05:30
head_test.go Decrement active_appenders metric when no samples added (#9230) 2021-09-08 14:49:58 +05:30
head_wal.go Exemplars in snapshot (#9255) 2021-08-30 19:34:38 +05:30
isolation.go Add present_over_time (#9097) 2021-07-29 12:38:11 +02:00
isolation_test.go tsdb: Block Head GC till pending readers are done reading (#9081) 2021-07-20 14:17:20 +05:30
mocks_test.go Move away from testutil, refactor imports (#8087) 2020-10-22 11:00:08 +02:00
querier.go LabelNames API with matchers (#9083) 2021-07-20 18:08:08 +05:30
querier_bench_test.go React UI: Add Starting Screen (#8662) 2021-06-05 15:29:32 +01:00
querier_test.go LabelNames API with matchers (#9083) 2021-07-20 18:08:08 +05:30
README.md Replace godoc.org links 2021-06-17 07:18:51 -04:00
repair.go Switched to go-kit/log 2021-06-11 12:28:36 -04:00
repair_test.go React UI: Add Starting Screen (#8662) 2021-06-05 15:29:32 +01:00
tsdbblockutil.go Switched to go-kit/log 2021-06-11 12:28:36 -04:00
wal.go Switched to go-kit/log 2021-06-11 12:28:36 -04:00
wal_test.go Add new Go build tags. 2021-08-27 10:24:14 +02:00

TSDB

GoPkg

This directory contains the Prometheus storage layer that is used in its 2.x releases.

A writeup of its design can be found here.

Based on the Gorilla TSDB white papers.

Video: Storing 16 Bytes at Scale from PromCon 2017.

See also the format documentation.

A series of blog posts explaining different components of TSDB: