Improve ingester flush memory usage. #3200
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Signed-off-by: Cyril Tovena <cyril.tovena@gmail.com>
Signed-off-by: Cyril Tovena <cyril.tovena@gmail.com>
Signed-off-by: Cyril Tovena <cyril.tovena@gmail.com>
``` goos: darwin goarch: amd64 pkg: github.com/grafana/loki/pkg/ingester Benchmark_FlushLoop-16 16 70040359 ns/op 241901661 B/op 1112 allocs/op PASS ok github.com/grafana/loki/pkg/ingester 4.829s ``` Signed-off-by: Cyril Tovena <cyril.tovena@gmail.com>
Signed-off-by: Cyril Tovena <cyril.tovena@gmail.com>
benchcmp ``` ❯ benchcmp before.txt after.txt benchmark old ns/op new ns/op delta Benchmark_FlushLoop-16 104723243 9233780 -91.18% benchmark old allocs new allocs delta Benchmark_FlushLoop-16 1115 568 -49.06% benchmark old bytes new bytes delta Benchmark_FlushLoop-16 241857243 989590 -99.59% ``` Signed-off-by: Cyril Tovena <cyril.tovena@gmail.com>
Signed-off-by: Cyril Tovena <cyril.tovena@gmail.com>
Signed-off-by: Cyril Tovena <cyril.tovena@gmail.com>
Signed-off-by: Cyril Tovena <cyril.tovena@gmail.com>
Codecov Report
@@ Coverage Diff @@
## master #3200 +/- ##
==========================================
- Coverage 63.23% 63.18% -0.05%
==========================================
Files 195 195
Lines 16637 16643 +6
==========================================
- Hits 10520 10516 -4
- Misses 5165 5177 +12
+ Partials 952 950 -2
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This builds on #3193.
And re-use memory buffer when flushing chunks.
I need to rebase once we have #3193 this will ease review.