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Merge pull request #3 from alanbernstein/snapshot-stats

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Snapshot stats
This commit is contained in:
Michael Baird 2017-04-24 10:46:40 -05:00 • committed by GitHub
commit 2e3455e447
1 changed files with 6 additions and 3 deletions
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9
fragment.go
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@ -995,15 +995,18 @@ func (f *Fragment) Snapshot() error {
defer f.mu.Unlock()
return f.snapshot()
}
func track(start time.Time, name string, logger *log.Logger) {
func track(start time.Time, message string, stats StatsClient, logger *log.Logger) {
elapsed := time.Since(start)
logger.Printf("%s took %s", name, elapsed)
logger.Printf("%s took %s", message, elapsed)
stats.Histogram("snapshot", elapsed.Seconds())
}
func (f *Fragment) snapshot() error {
logger := f.logger()
logger.Printf("fragment: snapshotting %s/%s/%s/%d", f.db, f.frame, f.view, f.slice)
defer track(time.Now(), fmt.Sprintf("fragment: snapshot complete %s/%s/%s/%d", f.db, f.frame, f.view, f.slice), logger)
completeMessage := fmt.Sprintf("fragment: snapshot complete %s/%s/%s/%d", f.db, f.frame, f.view, f.slice)
start := time.Now()
defer track(start, completeMessage, f.stats, logger)
// Create a temporary file to snapshot to.
snapshotPath := f.path + SnapshotExt