swamirishi commented on code in PR #9150:
URL: https://github.com/apache/ozone/pull/9150#discussion_r2488267890
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hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/snapshot/OmSnapshotLocalDataManager.java:
##########
@@ -283,6 +320,74 @@ private void init() throws IOException {
}
addVersionNodeWithDependents(snapshotLocalData);
}
+ for (UUID snapshotId : versionNodeMap.keySet()) {
+ incrementOrphanCheckCount(snapshotId);
+ }
+ long snapshotLocalDataManagerServiceInterval =
configuration.getTimeDuration(
+ OZONE_OM_SNAPSHOT_LOCAL_DATA_MANAGER_SERVICE_INTERVAL,
+ OZONE_OM_SNAPSHOT_LOCAL_DATA_MANAGER_SERVICE_INTERVAL_DEFAULT,
+ TimeUnit.MILLISECONDS);
+ if (snapshotLocalDataManagerServiceInterval > 0) {
+ this.scheduler = new Scheduler(LOCAL_DATA_MANAGER_SERVICE_NAME, true, 1);
+ this.scheduler.scheduleWithFixedDelay(
+ () -> {
+ try {
+ checkOrphanSnapshotVersions(omMetadataManager, chainManager);
+ } catch (Exception e) {
+ LOG.error("Exception while checking orphan snapshot versions",
e);
+ }
+ }, snapshotLocalDataManagerServiceInterval,
snapshotLocalDataManagerServiceInterval, TimeUnit.MILLISECONDS);
+ }
+
+ }
+
+ private void checkOrphanSnapshotVersions(OMMetadataManager metadataManager,
SnapshotChainManager chainManager)
+ throws IOException {
+ for (Map.Entry<UUID, Integer> entry :
snapshotToBeCheckedForOrphans.entrySet()) {
+ UUID snapshotId = entry.getKey();
+ int countBeforeCheck = entry.getValue();
+ checkOrphanSnapshotVersions(metadataManager, chainManager, snapshotId);
+ decrementOrphanCheckCount(snapshotId, countBeforeCheck);
+ }
+ }
+
+ @VisibleForTesting
+ void checkOrphanSnapshotVersions(OMMetadataManager metadataManager,
SnapshotChainManager chainManager,
+ UUID snapshotId) throws IOException {
+ LOG.info("Checking orphan snapshot versions for snapshot {}", snapshotId);
Review Comment:
No only when there would be an orphan file it would log. Counts would be
incremented only when a snapshot is updated
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