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HDFS-14497. Addendum: Write lock held by metasave impact following RPC processing. 

Signed-off-by: Wei-Chiu Chuang <weichiu@apache.org>
(cherry picked from commit dde9399b37)
(cherry picked from commit e29ae7db12)
This commit is contained in:
He Xiaoqiao 2019-08-27 15:26:21 -07:00 committed by Wei-Chiu Chuang
parent d91c68729c
commit c61c114a3d
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/namenode/FSNamesystem.java
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@ -592,7 +592,7 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
* HDFS-14497: Concurrency control when many metaSave request to write * HDFS-14497: Concurrency control when many metaSave request to write
* meta to same out stream after switch to read lock. * meta to same out stream after switch to read lock.
*/ */
private Object metaSaveLock = new Object(); private final Object metaSaveLock = new Object();
/** /**
* Notify that loading of this FSDirectory is complete, and * Notify that loading of this FSDirectory is complete, and