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[HDFS-5300] FSNameSystem#deleteSnapshot() should not check owner in case of permissions disabled - HDFS - [issue]
...FSNameSystem#deleteSnapshot() should not check owner in case of permissions disabled      checkOperation(OperationCategory.WRITE);      if (isInSafeMo...
http://issues.apache.org/jira/browse/HDFS-5300    Author: Vinay, 2013-10-05, 15:22
[HDFS-5031] BlockScanner scans the block multiple times and on restart scans everything - HDFS - [issue]
...BlockScanner scans the block twice, also on restart of datanode scans everything.Steps:1. Write blocks with interval of more than 5 seconds. write new block on completion of scan for written...
http://issues.apache.org/jira/browse/HDFS-5031    Author: Vinay, 2013-09-27, 22:25
[HDFS-5146] JspHelper#bestNode() doesn't handle bad datanodes correctly - HDFS - [issue]
...JspHelper#bestNode() doesn't handle correctly if the chosen datanode is down.    while (s == null) {      if (chosenNode == null) {     &nbs...
http://issues.apache.org/jira/browse/HDFS-5146    Author: Vinay, 2013-08-30, 18:24
[HDFS-5112] NetWorkTopology#countNumOfAvailableNodes() is returning wrong value if excluded nodes passed are not part of the cluster tree - HDFS - [issue]
...I got "File /hdfs_COPYING_ could only be replicated to 0 nodes instead of minReplication (=1).  There are 1 datanode(s) running and 1 node(s) are excluded in this operation." in the fol...
http://issues.apache.org/jira/browse/HDFS-5112    Author: Vinay, 2013-08-20, 19:28
[HDFS-5113] Implement POST method to upload the checkpoint - HDFS - [issue]
...We have seen many issues related to Checkpoint upload. Currently upload happens with 2 GET requests.One limitation here is, both checkpointer and the target should have the http server runni...
http://issues.apache.org/jira/browse/HDFS-5113    Author: Vinay, 2013-08-20, 18:36
[HDFS-4855] DFSOutputStream reference should be cleared from DFSClient#filesBeingWritten if the file closure fails. - HDFS - [issue]
...If the file closure fails due to some exception, then DFSOutputStream reference should be removed from the DFSClient#filesBeingWritten.Which is useless to keep and also memory consuming.If t...
http://issues.apache.org/jira/browse/HDFS-4855    Author: Vinay, 2013-06-01, 00:08
[HDFS-4463] ActiveStandbyElector can join election even before Service HEALTHY, and results in null data at ActiveBreadCrumb - HDFS - [issue]
...ActiveStandbyElector can store null at ActiveBreadCrumb in the below race condition. At further all failovers will fail resulting NPE.1. ZKFC restarted.2. due to machine busy, first zk conne...
http://issues.apache.org/jira/browse/HDFS-4463    Author: Vinay, 2013-02-22, 08:36
[HDFS-4445] All BKJM ledgers are not checked while tailing, So failover will fail. - HDFS - [issue]
...After the fix of HDFS-4130, all editlog nodes are not iterated if first edit are below fromTxIdProblem part is below code inside BookKeeperJournalManager#selectInputStreams(..)   &...
http://issues.apache.org/jira/browse/HDFS-4445    Author: Vinay, 2013-02-04, 14:04
[HDFS-4238] [HA] Standby namenode should not do purging of shared storage edits. - HDFS - [issue]
...This happened in our cluster,>> Standby NN was keep doing checkpoint every one hour and uploading to Active NN was continuously failing due to some kerberos issue and nobody noticed th...
http://issues.apache.org/jira/browse/HDFS-4238    Author: Vinay, 2012-12-05, 23:28
[HDFS-4038] Override toString() for BookKeeperEditLogInputStream - HDFS - [issue]
...Override toString() for BookKeeperEditLogInputStream and also avoid lh.toString() in BookKeeperEditLogInputStream#getName() which will log just hashCode...
http://issues.apache.org/jira/browse/HDFS-4038    Author: Vinay, 2012-11-14, 13:21
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