GeorgeJahad commented on code in PR #4567:
URL: https://github.com/apache/ozone/pull/4567#discussion_r1232889107
##########
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OmSnapshotManager.java:
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@@ -246,15 +246,8 @@ public OmSnapshotManager(OzoneManager ozoneManager) {
}
};
- // init LRU cache
- this.snapshotCache = CacheBuilder.newBuilder()
- // Indicating OmSnapshot instances are softly referenced from the
cache.
- // If no thread is holding a strong reference to an OmSnapshot instance
- // (e.g. SnapDiff), the instance could be garbage collected by JVM at
- // its discretion.
- .softValues()
Review Comment:
ok, but now I'm not quite sure how the underlying cache is stored. Does it
have it's own eviction policy.
Also, I find it confusing to have the removalListener implemented but not
having it be used anywhere.
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