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[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
RE: file replicas - HDFS - [mail # user]
...Presently don't have such direct api available. May be you can write your own. Yes, below api can help. ________________________________ From: Alieh Saeedi [[EMAIL PROTECTED]] Sent: Saturday...
   Author: Uma Maheswara Rao G, 2012-02-04, 12:27
RE: file replication - HDFS - [mail # user]
...1- How can I replicate an existing file by an application? [Uma Ans] : you can just set the replication factor high.              use the following API for...
   Author: Uma Maheswara Rao G, 2012-02-04, 10:06
RE: namenode grows overtime - HDFS - [mail # user]
...Can you please check in UI, what is the heap usage. Then we can confirm whe ther java heap is growing or not.  top will consider native memory usage also and nio uses directByteBuffers ...
   Author: Uma Maheswara Rao G, 2012-01-20, 09:25
[expand - 1 more] - RE: Data processing in DFSClient - HDFS - [mail # user]
...I did not get your complete idea here but before that, file will be splitted into blocks. Then how will you extract ? Why con't you create tar file and one index file which will maintain ind...
   Author: Uma Maheswara Rao G, 2012-01-18, 15:22
RE: HDFS Problems After Programmatic Access - HDFS - [mail # user]
...Looks namenode is not giving the nodes. Can you please check Datanode is running properly?    ________________________________ From: Apurv Verma [[EMAIL PROTECTED]] Sent: Wednesday...
   Author: Uma Maheswara Rao G, 2012-01-11, 03:35
[expand - 1 more] - RE: Timeouts in Datanodes while block scanning - HDFS - [mail # dev]
...Hi Aaron,  Presently i am in 0.20.2 version. I debugged the problem for some time. Could not find any clue. Wanted to know any of the dev/users faced this situation in their clusters. &...
   Author: Uma Maheswara Rao G, 2012-01-06, 01:42
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