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[HDFS-5674] Editlog code cleanup - HDFS - [issue]
...A few minor improvements: @SuppressWarnings("deprecation") in FSEditLogOp can be removed. FSEditLogOpCodes.fromByte(..) can be more efficient. Some fields in FSEditLog can be final....
http://issues.apache.org/jira/browse/HDFS-5674    Author: Tsz Wo, 2014-01-15, 19:44
[HDFS-5747] BlocksMap.getStoredBlock(..) and BlockInfoUnderConstruction.addReplicaIfNotPresent(..) may throw NullPointerException - HDFS - [issue]
...Found these NPEs in build #5849. BlocksMap is accessed after close:2014-01-09 04:28:32,350 WARN  ipc.Server (Server.java:run(2060)) - IPC Server handler 2 on 58333, call org.apache.hado...
http://issues.apache.org/jira/browse/HDFS-5747    Author: Tsz Wo, 2014-01-14, 21:26
[HDFS-5645] Support upgrade marker in editlog streams - HDFS - [issue]
...During upgrade, a marker can be inserted into the editlog streams so that it is possible to roll back to the marker transaction....
http://issues.apache.org/jira/browse/HDFS-5645    Author: Tsz Wo, 2014-01-10, 06:08
[HDFS-5542] Fix TODO and clean up the code in HDFS-2832. - HDFS - [issue]
...Fix TODOs. Remove unused code. Reduce visibility (e.g. change public to package private.) Simplify the code if possible. Fix comments and javadoc....
http://issues.apache.org/jira/browse/HDFS-5542    Author: Tsz Wo, 2013-12-12, 21:36
[HDFS-5559] Fix TestDatanodeConfig in HDFS-2832 - HDFS - [issue]
...HDFS-5542 breaks this test....
http://issues.apache.org/jira/browse/HDFS-5559    Author: Tsz Wo, 2013-11-23, 23:28
[HDFS-5372] In FSNamesystem, hasReadLock() returns false if the current thread holds the write lock - HDFS - [issue]
...This bug was discovered by Vinay in this comment.In FSNamesystem, there are hasReadLock() and hasReadOrWriteLock().  However, when a thread holds the write lock, the read lock is not re...
http://issues.apache.org/jira/browse/HDFS-5372    Author: Tsz Wo, 2013-11-20, 14:31
[HDFS-5508] Fix compilation error after merge - HDFS - [issue]
...[ERROR] COMPILATION ERROR : [INFO] -------------------------------------------------------------[ERROR] /Users/szetszwo/hadoop/HDFS-2832/hadoop-hdfs-project/hadoop-hd...
http://issues.apache.org/jira/browse/HDFS-5508    Author: Tsz Wo, 2013-11-13, 02:03
[HDFS-5480] Update Balancer for HDFS-2832 - HDFS - [issue]
...Block location type is changed from datanode to datanode storage.  Balancer needs to handle it....
http://issues.apache.org/jira/browse/HDFS-5480    Author: Tsz Wo, 2013-11-10, 21:00
[HDFS-5472] Fix TestDatanodeManager, TestSafeMode and TestNNThroughputBenchmark - HDFS - [issue]
...DatanodeDescriptor should be initialized with updateHeartbeat for updating the timestamps. NNThroughputBenchmark should create DatanodeRegistrations with real datanode UUIDs....
http://issues.apache.org/jira/browse/HDFS-5472    Author: Tsz Wo, 2013-11-07, 18:00
[HDFS-5466] Update storage IDs when the pipeline is updated - HDFS - [issue]
...In DFSOutputStream, when the nodes in the pipeline is updated, we should also update the storage IDs.  Otherwise, the node list and the storage ID list are mismatched....
http://issues.apache.org/jira/browse/HDFS-5466    Author: Tsz Wo, 2013-11-06, 00:25
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