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Update metricstore documentation

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Entire-Checkpoint: 99f20c1edd90
This commit is contained in:
Jan Eitzinger
2026-03-29 21:38:04 +02:00
parent fc47b12fed
commit 66707bbf15
4 changed files with 23 additions and 10 deletions
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7
pkg/metricstore/checkpoint.go
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@@ -86,11 +86,12 @@ var (
// Checkpointing starts a background worker that periodically saves metric data to disk.
//
// Checkpoints are written every 12 hours (hardcoded).
// The checkpoint interval is read from Keys.CheckpointInterval (default: 12 hours).
//
// Format behaviour:
// - "json": Periodic checkpointing every checkpointInterval
// - "wal": Periodic binary snapshots + WAL rotation every checkpointInterval
// - "json": Writes a JSON snapshot file per host every interval
// - "wal": Writes a binary snapshot file per host every interval, then rotates
// the current.wal files for all successfully checkpointed hosts
func Checkpointing(wg *sync.WaitGroup, ctx context.Context) {
lastCheckpointMu.Lock()
lastCheckpoint = time.Now()