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mvcc: Printing etcd backend database related metrics inside scheduleCompaction function

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Backporting commit 21bbc82 to etcd 3.4
To improve traceability of backend database usage, Added below parameter
related to backend database usage metrics inside scheduledCompaction
function.
current-db-size-bytes
current-db-size
current-db-size-in-use-bytes
current-db-size-in-use

Signed-off-by: James Blair <mail@jamesblair.net>
This commit is contained in:
James Blair 2024-02-16 21:08:20 +13:00
parent 6affeed9fd
commit e5bc8b00ae
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1 changed files with 6 additions and 0 deletions
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6
mvcc/kvstore_compaction.go
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@ -18,6 +18,7 @@ import (
"encoding/binary"
"time"
humanize "github.com/dustin/go-humanize"
"go.uber.org/zap"
)
@ -52,11 +53,16 @@ func (s *store) scheduleCompaction(compactMainRev int64, keep map[revision]struc
revToBytes(revision{main: compactMainRev}, rbytes)
tx.UnsafePut(metaBucketName, finishedCompactKeyName, rbytes)
tx.Unlock()
size, sizeInUse := s.b.Size(), s.b.SizeInUse()
if s.lg != nil {
s.lg.Info(
"finished scheduled compaction",
zap.Int64("compact-revision", compactMainRev),
zap.Duration("took", time.Since(totalStart)),
zap.Int64("current-db-size-bytes", size),
zap.String("current-db-size", humanize.Bytes(uint64(size))),
zap.Int64("current-db-size-in-use-bytes", sizeInUse),
zap.String("current-db-size-in-use", humanize.Bytes(uint64(sizeInUse))),
)
} else {
plog.Infof("finished scheduled compaction at %d (took %v)", compactMainRev, time.Since(totalStart))