github-mirrors/VictoriaMetrics
1
0
Fork 0
mirror of https://github.com/VictoriaMetrics/VictoriaMetrics.git synced 2025-01-20 15:16:42 +00:00
Code Issues Projects Releases Packages Wiki Activity

lib/storage: recover when metricID->metricName entry is missing in the inverted index after unclean shutdown

Browse source 
Newly added index entries can be missing after unclean shutdown, since they didn't flush to persistent storage yet.
Log about this and delete the corresponding metricID, so it could be re-created next time.
This commit is contained in:
Aliaksandr Valialkin 2020-04-28 11:57:19 +03:00
parent a858b7e393
commit d78ed50edd
1 changed files with 8 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
lib/storage/index_db.go
View file

@ -2595,6 +2595,14 @@ func (db *indexDB) storeDateMetricID(date, metricID uint64, accountID, projectID
defer PutMetricName(mn)
kb.B, err = db.searchMetricName(kb.B[:0], metricID, accountID, projectID)
if err != nil {
if err == io.EOF {
logger.Errorf("missing metricName by metricID %d; this could be the case after unclean shutdown; "+
"deleting the metricID, so it could be re-created next time", metricID)
if err := db.deleteMetricIDs([]uint64{metricID}); err != nil {
return fmt.Errorf("cannot delete metricID %d after unclean shutdown: %s", metricID, err)
}
return nil
}
return fmt.Errorf("cannot find metricName by metricID %d: %s", metricID, err)
}
if err = mn.Unmarshal(kb.B); err != nil {