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Add slow gc warning log (#21734) 

Signed-off-by: xiaofan-luan <xiaofan.luan@zilliz.com>
pull/21766/head
Xiaofan 2023-01-18 11:41:43 +08:00 committed by GitHub
parent 0af53d1e2e
commit 3e21d25de5
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1 changed files with 21 additions and 7 deletions
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28
internal/util/gc/gc_tuner.go
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@ -21,6 +21,7 @@ import (
"os"
"runtime"
"strconv"
"time"
"github.com/milvus-io/milvus/internal/log"
"github.com/milvus-io/milvus/internal/util/hardware"
@ -78,13 +79,26 @@ func optimizeGOGC() {
return mem / 1024 / 1024
}
log.Info("GC Tune done", zap.Uint32("previous GOGC", previousGOGC),
zap.Uint64("heapuse ", toMB(heapuse)),
zap.Uint64("total memory", toMB(totaluse)),
zap.Uint64("next GC", toMB(m.NextGC)),
zap.Uint32("new GOGC", newGoGC),
)
// currently we assume 20 ms as long gc puase
if (m.PauseNs[(m.NumGC+255)%256] / uint64(time.Millisecond)) < 20 {
log.Info("GC Tune done", zap.Uint32("previous GOGC", previousGOGC),
zap.Uint64("heapuse ", toMB(heapuse)),
zap.Uint64("total memory", toMB(totaluse)),
zap.Uint64("next GC", toMB(m.NextGC)),
zap.Uint32("new GOGC", newGoGC),
zap.Duration("gc-pause", time.Duration(m.PauseNs[(m.NumGC+255)%256])),
zap.Uint64("gc-pause-end", m.PauseEnd[(m.NumGC+255)%256]),
)
} else {
log.Warn("GC Tune done, and the gc is slow", zap.Uint32("previous GOGC", previousGOGC),
zap.Uint64("heapuse ", toMB(heapuse)),
zap.Uint64("total memory", toMB(totaluse)),
zap.Uint64("next GC", toMB(m.NextGC)),
zap.Uint32("new GOGC", newGoGC),
zap.Duration("gc-pause", time.Duration(m.PauseNs[(m.NumGC+255)%256])),
zap.Uint64("gc-pause-end", m.PauseEnd[(m.NumGC+255)%256]),
)
}
previousGOGC = newGoGC
}