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prometheus/tsdb
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beorn7 1cfc8f65a3 histograms: Return actually useful counter reset hints 
This is a bit more conservative than we could be. As long as a chunk
isn't the first in a block, we can be pretty sure that the previous
chunk won't disappear. However, the incremental gain of returning
NotCounterReset in these cases is probably very small and might not be
worth the code complications.

Wwith this, we now also pay attention to an explicitly set counter
reset during ingestion. While the case doesn't show up in practice
yet, there could be scenarios where the metric source knows there was
a counter reset even if it might not be visible from the values in the
histogram. It is also useful for testing.

Signed-off-by: beorn7 <beorn@grafana.com>
2023-01-25 16:57:21 +01:00
..
agent agent: native histogram support (#11842) 2023-01-12 11:13:44 -05:00
chunkenc histograms: Return actually useful counter reset hints 2023-01-25 16:57:21 +01:00
chunks Replace sort.Strings and sort.Ints with faster slices.Sort (#11318) 2022-09-30 20:03:56 +05:30
docs Merge branch 'main' into sparsehistogram 2022-08-10 17:54:37 +02:00
encoding Merge 'main' into sparsehistogram 2022-10-05 22:14:49 +02:00
errors Address golint failures from revive 2021-10-23 00:53:11 +02:00
fileutil Update go to 1.19, set min version to 1.18 (#11279) 2022-09-07 11:30:48 +02:00
goversion Add new Go build tags. 2021-08-27 10:24:14 +02:00
index Shortcut postings for matchers when empty postings are selected (#11813) 2023-01-10 15:21:49 +05:30
record tsdb: Add counter reset hint to histograms and support in WAL 2023-01-10 17:41:53 +05:30
test Update package tsdb/test for new labels.Labels type 2022-12-19 15:22:09 +00:00
testdata tsdb: Delete blocks atomically; Remove tmp blocks on start; Added test. (#7772) 2020-08-11 06:56:08 +01:00
tombstones refactor: move from io/ioutil to io and os packages (#10528) 2022-04-27 11:24:36 +02:00
tsdbutil Fix merge conflicts 2022-10-11 22:53:37 +05:30
wlog histograms: Add remote-write support for Float Histograms (#11817) 2023-01-13 16:39:20 +05:30
.gitignore Moving tsdb into its own subdirectory 2019-08-13 13:58:49 +05:30
block.go tsdb: sort values for Postings only when required 2023-01-05 14:05:54 +00:00
block_test.go histograms: Return actually useful counter reset hints 2023-01-25 16:57:21 +01:00
blockwriter.go Merge 'main' into sparsehistogram 2022-10-05 22:14:49 +02:00
blockwriter_test.go tsdb: in tests use labels.FromStrings 2022-09-09 13:34:49 +02:00
CHANGELOG.md Rename default branch to main 2021-02-22 20:28:02 +01:00
compact.go storage: allow re-use of iterators 2022-12-15 18:32:45 +00:00
compact_test.go histograms: Return actually useful counter reset hints 2023-01-25 16:57:21 +01:00
db.go Update package tsdb for new labels.Labels type 2022-12-19 15:22:09 +00:00
db_test.go histograms: Return actually useful counter reset hints 2023-01-25 16:57:21 +01:00
example_test.go storage: allow re-use of iterators 2022-12-15 18:32:45 +00:00
exemplar.go Update package tsdb for new labels.Labels type 2022-12-19 15:22:09 +00:00
exemplar_test.go tsdb: in tests use labels.FromStrings 2022-09-09 13:34:49 +02:00
head.go histograms: Return actually useful counter reset hints 2023-01-25 16:57:21 +01:00
head_append.go histograms: Return actually useful counter reset hints 2023-01-25 16:57:21 +01:00
head_bench_test.go Add out-of-order sample support to the TSDB (#11075) 2022-09-20 22:35:50 +05:30
head_read.go Merge pull request #11779 from codesome/memseries-ooo 2023-01-16 10:58:05 +05:30
head_read_test.go Fix merge conflicts 2022-10-11 22:53:37 +05:30
head_test.go histograms: Return actually useful counter reset hints 2023-01-25 16:57:21 +01:00
head_wal.go tsdb: Avoid unnecessary allocation from 11779 2023-01-17 16:53:49 +05:30
isolation.go tsdb: turn off transaction isolation for head compaction (#11317) 2022-09-27 19:31:23 +05:30
isolation_test.go tsdb: turn off transaction isolation for head compaction (#11317) 2022-09-27 19:31:23 +05:30
mocks_test.go Move packages out of deprecated pkg directory 2021-11-09 08:03:10 +01:00
ooo_head.go Attempt to append ooo sample at the end first (#11615) 2023-01-13 19:00:50 +05:30
ooo_head_read.go tsdb: Only initialise out-of-order fields when required 2023-01-12 20:29:16 +05:30
ooo_head_read_test.go tsdb: Only initialise out-of-order fields when required 2023-01-12 20:29:16 +05:30
ooo_head_test.go Fix merge conflicts 2022-10-11 22:53:37 +05:30
querier.go Shortcut postings for matchers when empty postings are selected (#11813) 2023-01-10 15:21:49 +05:30
querier_bench_test.go Shortcut postings for matchers when empty postings are selected (#11813) 2023-01-10 15:21:49 +05:30
querier_test.go Simplify IndexReader.Series interface 2022-12-19 15:22:09 +00:00
README.md Fixed broken link in tsdb README.md 2022-10-07 16:20:20 +00:00
repair.go refactor: move from io/ioutil to io and os packages (#10528) 2022-04-27 11:24:36 +02:00
repair_test.go Simplify IndexReader.Series interface 2022-12-19 15:22:09 +00:00
tsdbblockutil.go Support FloatHistogram in TSDB (#11522) 2022-12-28 14:25:07 +05:30
wal.go Use errors.Is to check for a specific error 2022-12-29 23:23:07 +08:00
wal_test.go TSDB: Rename wal package to wlog (#11352) 2022-10-10 20:38:46 +05:30

README.md

TSDB

GoPkg

This directory contains the Prometheus TSDB (Time Series DataBase) library, which handles storage and querying of all Prometheus v2 data.

Documentation

External resources

A series of blog posts explaining different components of TSDB: