mudhorn/prometheus
1
0
Fork 0
mirror of https://github.com/prometheus/prometheus.git synced 2025-02-02 08:31:11 -08:00
Code Issues Actions 55 Packages Projects Releases Wiki Activity

promql: add benchmark for match against blank string

Browse source 
Blank strings are not handled efficiently by tsdb.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
This commit is contained in:
Bryan Boreham 2022-12-23 20:24:20 +00:00
parent e1b7082008
commit 80ac0d7c82
1 changed files with 9 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
promql/bench_test.go
View file

@ -174,6 +174,15 @@ func rangeQueryCases() []benchCase {
{ {
expr: "a_X + on(l) group_right a_one", expr: "a_X + on(l) group_right a_one",
}, },
// Label compared to blank string.
{
expr: "count({__name__!=\"\"})",
steps: 1,
},
{
expr: "count({__name__!=\"\",l=\"\"})",
steps: 1,
},
} }
// X in an expr will be replaced by different metric sizes. // X in an expr will be replaced by different metric sizes.