smengcl commented on code in PR #4567:
URL: https://github.com/apache/ozone/pull/4567#discussion_r1240123740
##########
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:
With this PR, actual cache structure is `dbMap` in custom `SnapshotCache`.
It is just utilizing the existing `CacheLoader` as the loader. Can either keep
or remove it when we decide whether we want to make the cache impl pluggable.
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