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Remove archiveMtx.

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Change-Id: Ie8019f860bbda68621f74380c90a4e57930d3d7a
This commit is contained in:
Bjoern Rabenstein 2014-11-10 18:33:31 +01:00
parent 7af42eda65
commit c087ee35f7
2 changed files with 14 additions and 34 deletions
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37
storage/local/persistence.go
View file

@ -86,11 +86,6 @@ type persistence struct {
basePath string
chunkLen int
// archiveMtx protects the archiving-related methods archiveMetric,
// unarchiveMetric, dropArchiveMetric, and getFingerprintsModifiedBefore
// from concurrent calls.
archiveMtx sync.Mutex
archivedFingerprintToMetrics *index.FingerprintMetricIndex
archivedFingerprintToTimeRange *index.FingerprintTimeRangeIndex
labelPairToFingerprints *index.LabelPairFingerprintIndex
@ -1155,13 +1150,10 @@ func (p *persistence) waitForIndexing() {
// archiveMetric persists the mapping of the given fingerprint to the given
// metric, together with the first and last timestamp of the series belonging to
// the metric. This method is goroutine-safe.
// the metric. The caller must have locked the fingerprint.
func (p *persistence) archiveMetric(
fp clientmodel.Fingerprint, m clientmodel.Metric, first, last clientmodel.Timestamp,
) error {
p.archiveMtx.Lock()
defer p.archiveMtx.Unlock()
if err := p.archivedFingerprintToMetrics.Put(codable.Fingerprint(fp), codable.Metric(m)); err != nil {
p.setDirty(true)
return err
@ -1196,12 +1188,6 @@ func (p *persistence) updateArchivedTimeRange(
// that have live samples before the provided timestamp. This method is
// goroutine-safe.
func (p *persistence) getFingerprintsModifiedBefore(beforeTime clientmodel.Timestamp) ([]clientmodel.Fingerprint, error) {
// The locking makes sure archivedFingerprintToTimeRange won't be
// mutated while being iterated over (which will probably not result in
// races, but might still yield weird results).
p.archiveMtx.Lock()
defer p.archiveMtx.Unlock()
var fp codable.Fingerprint
var tr codable.TimeRange
fps := []clientmodel.Fingerprint{}
@ -1229,7 +1215,8 @@ func (p *persistence) getArchivedMetric(fp clientmodel.Fingerprint) (clientmodel
// dropArchivedMetric deletes an archived fingerprint and its corresponding
// metric entirely. It also queues the metric for un-indexing (no need to call
// unindexMetric for the deleted metric.) This method is goroutine-safe.
// unindexMetric for the deleted metric.) The caller must have locked the
// fingerprint.
func (p *persistence) dropArchivedMetric(fp clientmodel.Fingerprint) (err error) {
defer func() {
if err != nil {
@ -1237,9 +1224,6 @@ func (p *persistence) dropArchivedMetric(fp clientmodel.Fingerprint) (err error)
}
}()
p.archiveMtx.Lock()
defer p.archiveMtx.Unlock()
metric, err := p.getArchivedMetric(fp)
if err != nil || metric == nil {
return err
@ -1257,10 +1241,17 @@ func (p *persistence) dropArchivedMetric(fp clientmodel.Fingerprint) (err error)
// unarchiveMetric deletes an archived fingerprint and its metric, but (in
// contrast to dropArchivedMetric) does not un-index the metric. If a metric
// was actually deleted, the method returns true and the first time of the
// deleted metric. This method is goroutine-safe.
func (p *persistence) unarchiveMetric(fp clientmodel.Fingerprint) (bool, clientmodel.Timestamp, error) {
p.archiveMtx.Lock()
defer p.archiveMtx.Unlock()
// deleted metric. The caller must have locked the fingerprint.
func (p *persistence) unarchiveMetric(fp clientmodel.Fingerprint) (
deletedAnything bool,
firstDeletedTime clientmodel.Timestamp,
err error,
) {
defer func() {
if err != nil {
p.setDirty(true)
}
}()
firstTime, _, has, err := p.archivedFingerprintToTimeRange.Lookup(fp)
if err != nil || !has {

11
storage/local/storage.go
View file

@ -359,7 +359,6 @@ func (s *memorySeriesStorage) getOrCreateSeries(fp clientmodel.Fingerprint, m cl
unarchived, firstTime, err := s.persistence.unarchiveMetric(fp)
if err != nil {
glog.Errorf("Error unarchiving fingerprint %v: %v", fp, err)
s.persistence.setDirty(true)
}
if unarchived {
s.seriesOps.WithLabelValues(unarchive).Inc()
@ -375,16 +374,6 @@ func (s *memorySeriesStorage) getOrCreateSeries(fp clientmodel.Fingerprint, m cl
return series
}
/*
func (s *memorySeriesStorage) preloadChunksAtTime(fp clientmodel.Fingerprint, ts clientmodel.Timestamp) (chunkDescs, error) {
series, ok := s.fpToSeries.get(fp)
if !ok {
panic("requested preload for non-existent series")
}
return series.preloadChunksAtTime(ts, s.persistence)
}
*/
func (s *memorySeriesStorage) preloadChunksForRange(
fp clientmodel.Fingerprint,
from clientmodel.Timestamp, through clientmodel.Timestamp,