prashantpogde commented on code in PR #4909:
URL: https://github.com/apache/ozone/pull/4909#discussion_r1231387000
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hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/SnapshotChainManager.java:
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@@ -48,6 +47,10 @@
public class SnapshotChainManager {
private static final Logger LOG =
LoggerFactory.getLogger(SnapshotChainManager.class);
+ // Dummy lock to synchronize addSnapshot and deleteSnapshot.
+ // This lock is also used by OMSnapshotCreateRequest to make sure that
+ // snapshot gets added to chain only if addition to cache is successfully.
+ public static final Object LOCK = new Object();
Review Comment:
We don't need new object, we can synchronize on 'this'.
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