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lib/storage: calculate the maximum number of rows per small part from -memory.allowedPercent

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Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/159

This simplifies error detection additionally to the `vm_rows_ignored_total` counters.
This commit is contained in:
Aliaksandr Valialkin 2019-08-25 15:28:32 +03:00
parent 0a8dd9cc9a
commit e2eac858b5
2 changed files with 16 additions and 15 deletions
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28
lib/storage/storage.go
View file

@ -773,7 +773,9 @@ var (
)
func (s *Storage) add(rows []rawRow, mrs []MetricRow, precisionBits uint8) ([]rawRow, error) {
var errors []error
// Return only the last error, since it has no sense in returning all errors.
var lastError error
var is *indexSearch
var mn *MetricName
var kb *bytesutil.ByteBuffer
@ -796,11 +798,13 @@ func (s *Storage) add(rows []rawRow, mrs []MetricRow, precisionBits uint8) ([]ra
}
if mr.Timestamp < minTimestamp {
// Skip rows with too small timestamps outside the retention.
lastError = fmt.Errorf("cannot insert row with too small timestamp %d outside the retention; minimum allowed timestamp is %d", mr.Timestamp, minTimestamp)
atomic.AddUint64(&s.tooSmallTimestampRows, 1)
continue
}
if mr.Timestamp > maxTimestamp {
// Skip rows with too big timestamps significantly exceeding the current time.
lastError = fmt.Errorf("cannot insert row with too big timestamp %d exceeding the current time; maximum allowd timestamp is %d", mr.Timestamp, maxTimestamp)
atomic.AddUint64(&s.tooBigTimestampRows, 1)
continue
}
@ -830,8 +834,7 @@ func (s *Storage) add(rows []rawRow, mrs []MetricRow, precisionBits uint8) ([]ra
// Do not stop adding rows on error - just skip invalid row.
// This guarantees that invalid rows don't prevent
// from adding valid rows into the storage.
err = fmt.Errorf("cannot unmarshal MetricNameRaw %q: %s", mr.MetricNameRaw, err)
errors = append(errors, err)
lastError = fmt.Errorf("cannot unmarshal MetricNameRaw %q: %s", mr.MetricNameRaw, err)
j--
continue
}
@ -841,8 +844,7 @@ func (s *Storage) add(rows []rawRow, mrs []MetricRow, precisionBits uint8) ([]ra
// Do not stop adding rows on error - just skip invalid row.
// This guarantees that invalid rows don't prevent
// from adding valid rows into the storage.
err = fmt.Errorf("cannot obtain TSID for MetricName %q: %s", kb.B, err)
errors = append(errors, err)
lastError = fmt.Errorf("cannot obtain TSID for MetricName %q: %s", kb.B, err)
j--
continue
}
@ -856,18 +858,16 @@ func (s *Storage) add(rows []rawRow, mrs []MetricRow, precisionBits uint8) ([]ra
rows = rows[:rowsLen+j]
if err := s.tb.AddRows(rows); err != nil {
err = fmt.Errorf("cannot add rows to table: %s", err)
errors = append(errors, err)
lastError = fmt.Errorf("cannot add rows to table: %s", err)
}
errors = s.updateDateMetricIDCache(rows, errors)
if len(errors) > 0 {
// Return only the first error, since it has no sense in returning all errors.
return rows, fmt.Errorf("errors occurred during rows addition: %s", errors[0])
lastError = s.updateDateMetricIDCache(rows, lastError)
if lastError != nil {
return rows, fmt.Errorf("errors occurred during rows addition: %s", lastError)
}
return rows, nil
}
func (s *Storage) updateDateMetricIDCache(rows []rawRow, errors []error) []error {
func (s *Storage) updateDateMetricIDCache(rows []rawRow, lastError error) error {
var date uint64
var hour uint64
var prevTimestamp int64
@ -909,11 +909,11 @@ func (s *Storage) updateDateMetricIDCache(rows []rawRow, errors []error) []error
// by concurrent goroutines.
s.dateMetricIDCache.Set(keyBuf, nil)
if err := idb.storeDateMetricID(date, metricID, r.TSID.AccountID, r.TSID.ProjectID); err != nil {
errors = append(errors, err)
lastError = err
continue
}
}
return errors
return lastError
}
func (s *Storage) updateCurrHourMetricIDs() {

3
lib/storage/storage_test.go
View file

@ -349,7 +349,8 @@ func testStorageRandTimestamps(s *Storage) error {
mrs = append(mrs, mr)
}
if err := s.AddRows(mrs, defaultPrecisionBits); err != nil {
if !strings.Contains(err.Error(), "too big timestamp") {
errStr := err.Error()
if !strings.Contains(errStr, "too big timestamp") && !strings.Contains(errStr, "too small timestamp") {
return fmt.Errorf("unexpected error when adding mrs: %s", err)
}
}