1 commit

Author	SHA1	Message	Date
Evgenii Stratonikov	1e89684ac2	[#1685] metabase: Cache frequently accessed singleton buckets ... There are some buckets we access almost always, to check whether an object is alive. In search we also iterate over lots of objects, and `tx.Bucket()` shows itself a lot in pprof. ``` goos: linux goarch: amd64 pkg: git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/metabase cpu: 11th Gen Intel(R) Core(TM) i5-1135G7 @ 2.40GHz │ 1 │ 2 │ │ sec/op │ sec/op vs base │ Select/string_equal-8 4.753m ± 6% 3.969m ± 14% -16.50% (p=0.000 n=10) Select/string_not_equal-8 4.247m ± 9% 3.486m ± 11% -17.93% (p=0.000 n=10) Select/common_prefix-8 4.163m ± 5% 3.323m ± 5% -20.18% (p=0.000 n=10) Select/unknown-8 3.557m ± 3% 3.064m ± 8% -13.85% (p=0.001 n=10) geomean 4.158m 3.445m -17.15% │ 1 │ 2 │ │ B/op │ B/op vs base │ Select/string_equal-8 2.250Mi ± 0% 1.907Mi ± 0% -15.24% (p=0.000 n=10) Select/string_not_equal-8 2.250Mi ± 0% 1.907Mi ± 0% -15.24% (p=0.000 n=10) Select/common_prefix-8 2.250Mi ± 0% 1.907Mi ± 0% -15.24% (p=0.000 n=10) Select/unknown-8 2.243Mi ± 0% 1.900Mi ± 0% -15.29% (p=0.000 n=10) geomean 2.248Mi 1.905Mi -15.26% │ 1 │ 2 │ │ allocs/op │ allocs/op vs base │ Select/string_equal-8 56.02k ± 0% 47.03k ± 0% -16.05% (p=0.000 n=10) Select/string_not_equal-8 56.02k ± 0% 47.03k ± 0% -16.05% (p=0.000 n=10) Select/common_prefix-8 56.02k ± 0% 47.03k ± 0% -16.05% (p=0.000 n=10) Select/unknown-8 55.03k ± 0% 46.04k ± 0% -16.34% (p=0.000 n=10) geomean 55.78k 46.78k -16.12% ``` Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>	2025-03-20 12:13:49 +03:00