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[HDFS-2891] Some times first DataNode detected as bad when we power off for the second DataNode. - HDFS - [issue]
...In one of my clusters, observed this situation.This issue looks to be due to time out in ResponseProcesser at client side, it is marking first DataNode as bad.This happens in 20.2 version. T...
http://issues.apache.org/jira/browse/HDFS-2891    Author: Uma Maheswara Rao G, 2012-04-01, 12:02
RE: Regarding HDFS-234 (Integration with BookKeeper logging system) - HDFS - [mail # dev]
...Hi Todd, Aaron, Suresh,   Are we going to merge this JIRA into 23 version?   Regards, Uma   ________________________________________ From: Ivan Kelly [[EMAIL PROTECTED]] Sent:...
   Author: Uma Maheswara Rao G, 2012-03-29, 09:16
[HDFS-3085] Local data node may need to reconsider for read, when reading a very big file as that local DN may get recover in some time. - HDFS - [issue]
...While reading the file, we will add the DN to deadNodes list and will skip from reads.If we are reading very huge file (may take hours), and failed read from local datanode, then this will b...
http://issues.apache.org/jira/browse/HDFS-3085    Author: Uma Maheswara Rao G, 2012-03-13, 18:33
[HDFS-1805] Some Tests in TestDFSShell can not shutdown the MiniDFSCluster on any exception/assertion failure. This will leads to fail other testcases. - HDFS - [issue]
...Some test cases in TestDFSShell are not shutting down the MiniDFSCluster in finally.If any test assertion failure or exception can result in not shutting down this cluster. Because of this o...
http://issues.apache.org/jira/browse/HDFS-1805    Author: Uma Maheswara Rao G, 2012-03-10, 18:30
[HDFS-2959] *ProtocolTranslatorPBs should not be responsible for setting up the underlying proxy. - HDFS - [issue]
...https://issues.apache.org/jira/browse/HDFS-2928?focusedCommentId=13208969&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13208969For addressing the Aaron c...
http://issues.apache.org/jira/browse/HDFS-2959    Author: Uma Maheswara Rao G, 2012-03-05, 18:43
[HDFS-2721] Balancer tests failing in trunk - HDFS - [issue]
...Looks Balancer tests started failing.....https://builds.apache.org/job/Hadoop-Hdfs-trunk/lastCompletedBuild/testReport/Also seen timing out of TestBalancer in precommit build https://builds....
http://issues.apache.org/jira/browse/HDFS-2721    Author: Uma Maheswara Rao G, 2012-03-04, 05:21
[HDFS-2980] HA: Balancer should have a test with the combination of Federation and HA enabled. - HDFS - [issue]
...Balancer should have test with Federation and HA enabled.One scenario: Enable federation with 2 namespace ids and configure HA only for one namespace id and check the behaviors as expec...
http://issues.apache.org/jira/browse/HDFS-2980    Author: Uma Maheswara Rao G, 2012-03-03, 01:37
[HDFS-2851] HA: Optimize stale block processing by triggering block reports immediately on failover - HDFS - [issue]
...After Balancer runs, usedSpace is not balancing correctly.java.util.concurrent.TimeoutException: Cluster failed to reached expected values of totalSpace (current: 1500, expected: 1500), or u...
http://issues.apache.org/jira/browse/HDFS-2851    Author: Uma Maheswara Rao G, 2012-03-03, 01:26
RE: [VOTE] Merge the HA branch to trunk tomorrow - March 2nd - HDFS - [mail # dev]
...Great Work! Congratulations to all of Us. Now trunk build will support HA (manual failover :-) )  Especially we have to say many thanks to Todd, Aaron, Eli, Suresh, Jitendra  Great...
   Author: Uma Maheswara Rao G, 2012-03-03, 01:07
[HDFS-2979] HA: Balancer should use logical uri for creating failover proxy with HA enabled. - HDFS - [issue]
...Presently Balancer uses real URI for creating the failover proxy.Since the failover proxy checks for uri consistency, we should pass logical uri for creating failover proxy instead of instea...
http://issues.apache.org/jira/browse/HDFS-2979    Author: Uma Maheswara Rao G, 2012-03-01, 12:57
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