smengcl commented on code in PR #8555:
URL: https://github.com/apache/ozone/pull/8555#discussion_r2136569583
##########
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/SstFilteringService.java:
##########
@@ -86,8 +87,20 @@ public class SstFilteringService extends BackgroundService
private final BootstrapStateHandler.Lock lock = new
BootstrapStateHandler.Lock();
public static boolean isSstFiltered(OzoneConfiguration ozoneConfiguration,
SnapshotInfo snapshotInfo) {
- Path sstFilteredFile =
Paths.get(OmSnapshotManager.getSnapshotPath(ozoneConfiguration,
- snapshotInfo), SST_FILTERED_FILE);
+ // First try to read the flag from YAML file
+ String yamlPath =
OmSnapshotManager.getSnapshotLocalPropertyYamlPath(ozoneConfiguration,
snapshotInfo);
+
+ try (OmSnapshotLocalProperty localProperties = new
OmSnapshotLocalPropertyYamlImpl(yamlPath)) {
Review Comment:
Agree. If we want it to be race-free, an easy thought would be to guard r/w
access behind `SnapshotCache` r/w lock. But one thing I don't like is that it
implies we are opening the snapshot DB just for reading the yaml metadata
(assuming no major refactoring of the SnapshotCache).
Let me see if `flock` would work..
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