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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
RE: could not sink exception - HDFS - [mail # user]
...At what load you are running the cluster?  Looks NN not able to choose the targets for block.  When choosing the targets NN will check many conditions like what is the thread count...
   Author: Uma Maheswara Rao G, 2011-12-22, 06:36
[expand - 1 more] - RE: test failures on trunk - HDFS - [mail # dev]
...Thanks a lot, Suresh.  Here is the Jira for this issue https://issues.apache.org/jira/browse/HDFS-2687  Regards, Uma ________________________________________ From: Suresh Srinivas ...
   Author: Uma Maheswara Rao G, 2011-12-15, 16:14
RE: Problem Hadoop - HDFS - [mail # user]
...Property should set at Namenode side. Please check your classpath, really conf directory coming or not where you updated the propery. ________________________________________ From: Andrea Va...
   Author: Uma Maheswara Rao G, 2011-12-14, 15:47
[expand - 2 more] - RE: Review HDFS-1765 - HDFS - [mail # dev]
...Thanks a lot for the Nice reviews, Eli! I have updated the patch by fixing the comments. Whenever you get the time, please take a look.  Thanks Uma _____________________________________...
   Author: Uma Maheswara Rao G, 2011-12-10, 00:45
RE: another HDFS configuration for scribeH - HDFS - [mail # dev]
...Hi Eric, Please check my recent experience with the dataloss issue.  http://lucene.472066.n3.nabble.com/Blocks-are-getting-corrupted-under-very-high-load-tt3527403.html#a3532671  h...
   Author: Uma Maheswara Rao G, 2011-12-02, 05:27
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB