MingXiangLi commented on a change in pull request #3941:
URL: https://github.com/apache/hadoop/pull/3941#discussion_r811881764
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File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/ReplicaMap.java
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@@ -184,7 +203,7 @@ void mergeAll(ReplicaMap other) {
ReplicaInfo remove(String bpid, Block block) {
checkBlockPool(bpid);
checkBlock(block);
- try (AutoCloseableLock l = writeLock.acquire()) {
+ try (AutoCloseDataSetLock l = lockManager.readLock(LockLevel.BLOCK_POOl,
bpid)) {
Review comment:
Now the LightWeightResizableGSet is thread-safe, so most operate in
ReplicaMap just need block pool read.
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