github-mirrors/VictoriaMetrics
1
0
Fork 0
mirror of https://github.com/VictoriaMetrics/VictoriaMetrics.git synced 2025-03-11 15:34:56 +00:00
Code Issues Projects Releases Packages Wiki Activity

lib/storage: fixes finalDedup for backfilled data (#3737)

Browse source 
previously historical data backfilling may trigger force merge for previous month every hour
it consumes cpu, disk io and decrease cluster performance.
Following commit fixes it by applying deduplication for InMemoryParts
This commit is contained in:
Nikolay 2023-02-01 18:54:21 +01:00 committed by Aliaksandr Valialkin
parent 326a702559
commit 554876cc38
No known key found for this signature in database
GPG key ID: A72BEC6CD3D0DED1
3 changed files with 12 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
lib/storage/partition.go
View file

@ -736,12 +736,15 @@ func (pt *partition) HasTimestamp(timestamp int64) bool {
// GetParts appends parts snapshot to dst and returns it.
//
// The appended parts must be released with PutParts.
func (pt *partition) GetParts(dst []*partWrapper) []*partWrapper {
func (pt *partition) GetParts(dst []*partWrapper, addInMemory bool) []*partWrapper {
pt.partsLock.Lock()
for _, pw := range pt.inmemoryParts {
pw.incRef()
if addInMemory {
for _, pw := range pt.inmemoryParts {
pw.incRef()
}
dst = append(dst, pt.inmemoryParts...)
}
dst = append(dst, pt.inmemoryParts...)
for _, pw := range pt.smallParts {
pw.incRef()
}
@ -1227,7 +1230,7 @@ func (pt *partition) runFinalDedup() error {
}
func (pt *partition) getRequiredDedupInterval() (int64, int64) {
pws := pt.GetParts(nil)
pws := pt.GetParts(nil, false)
defer pt.PutParts(pws)
dedupInterval := GetDedupInterval()
minDedupInterval := getMinDedupInterval(pws)
@ -1275,12 +1278,13 @@ func (pt *partition) mergeParts(pws []*partWrapper, stopCh <-chan struct{}, isFi
}()
}
if isFinal && len(pws) == 1 && pws[0].mp != nil {
if !isDedupEnabled() && isFinal && len(pws) == 1 && pws[0].mp != nil {
// Fast path: flush a single in-memory part to disk.
mp := pws[0].mp
if tmpPartPath == "" {
logger.Panicf("BUG: tmpPartPath must be non-empty")
}
if err := mp.StoreToDisk(tmpPartPath); err != nil {
return fmt.Errorf("cannot store in-memory part to %q: %w", tmpPartPath, err)
}

2
lib/storage/partition_search.go
View file

@ -80,7 +80,7 @@ func (pts *partitionSearch) Init(pt *partition, tsids []TSID, tr TimeRange) {
return
}
pts.pws = pt.GetParts(pts.pws[:0])
pts.pws = pt.GetParts(pts.pws[:0], true)
// Initialize psPool.
if n := len(pts.pws) - cap(pts.psPool); n > 0 {

2
lib/storage/storage_test.go
View file

@ -1199,7 +1199,7 @@ func testStorageAddRows(rng *rand.Rand, s *Storage) error {
}
ptws := s1.tb.GetPartitions(nil)
for _, ptw := range ptws {
pws := ptw.pt.GetParts(nil)
pws := ptw.pt.GetParts(nil, true)
numParts := len(pws)
ptw.pt.PutParts(pws)
if numParts != 1 {