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mvcc: Printing etcd backend database related metrics inside scheduleCompaction function

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Backporting commit 21bbc82 in etcd 3.5
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: Rahul More <rahulbapumore@gmail.com>
This commit is contained in:
Rahul More 2024-01-22 19:10:20 +05:30
parent 0ed58e9766
commit 2c3b614090
1 changed files with 6 additions and 0 deletions
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6
server/mvcc/kvstore_compaction.go
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@ -20,6 +20,7 @@ import (
"time"
"go.etcd.io/etcd/server/v3/mvcc/buckets"
humanize "github.com/dustin/go-humanize"
"go.uber.org/zap"
)
@ -63,11 +64,16 @@ func (s *store) scheduleCompaction(compactMainRev, prevCompactRev int64) (KeyVal
tx.UnsafePut(buckets.Meta, finishedCompactKeyName, rbytes)
tx.Unlock()
hash := h.Hash()
size, sizeInUse := s.b.Size(), s.b.SizeInUse()
s.lg.Info(
"finished scheduled compaction",
zap.Int64("compact-revision", compactMainRev),
zap.Duration("took", time.Since(totalStart)),
zap.Uint32("hash", hash.Hash),
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))),
)
return hash, nil
}