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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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14
pkg/metricstore/archive.go
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@@ -3,6 +3,12 @@
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
// This file implements the cleanup (archiving or deletion) of old checkpoint files.
//
// The CleanUp worker runs on a timer equal to RetentionInMemory. In "archive" mode
// it converts checkpoint files older than the retention window into per-cluster
// Parquet files and then deletes the originals. In "delete" mode it simply removes
// old checkpoint files.
package metricstore
import (
@@ -19,8 +25,12 @@ import (
cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
)
// Worker for either Archiving or Deleting files
// CleanUp starts a background worker that periodically removes or archives
// checkpoint files older than the configured retention window.
//
// In "archive" mode, old checkpoint files are converted to Parquet and stored
// under Keys.Cleanup.RootDir. In "delete" mode they are simply removed.
// The cleanup interval equals Keys.RetentionInMemory.
func CleanUp(wg *sync.WaitGroup, ctx context.Context) {
if Keys.Cleanup.Mode == "archive" {
cclog.Info("[METRICSTORE]> enable archive cleanup to parquet")