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HDFS-16785. Avoid to hold write lock to improve performance when add volume. (#4945). Contributed by ZanderXu. 

Signed-off-by: Tao Li <tomscut@apache.org>
Signed-off-by: He Xiaoqiao <hexiaoqiao@apache.org>
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ZanderXu 2022-11-13 22:01:35 +08:00 committed by GitHub
parent 22c9f28f4d
commit d3c1c453f0
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1 changed files with 1 additions and 1 deletions
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hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
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@ -520,7 +520,7 @@ class FsDatasetImpl implements FsDatasetSpi<FsVolumeImpl> {
for (final NamespaceInfo nsInfo : nsInfos) {
String bpid = nsInfo.getBlockPoolID();
try (AutoCloseDataSetLock l = lockManager.writeLock(LockLevel.BLOCK_POOl, bpid)) {
try {
fsVolume.addBlockPool(bpid, this.conf, this.timer);
fsVolume.getVolumeMap(bpid, tempVolumeMap, ramDiskReplicaTracker);
} catch (IOException e) {