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[expand - 4 more] - Re: Questions about HBase - HBase - [mail # user]
...index cache could be a useful feature for many workflows. Would it be a good idea to have a JIRA for that? I would suggest yes.  You can log the details that you observed and can discus...
   Author: ramkrishna vasudevan, 2013-06-06, 03:15
Re: what's the typical scan latency? - HBase - [mail # user]
...What is that you are observing now?  Regards Ram   On Mon, Jun 3, 2013 at 2:00 PM, Liu, Raymond  wrote:  ...
   Author: ramkrishna vasudevan, 2013-06-03, 09:13
Re: Multiple different failures - HBase - [mail # user]
...HBCK try to re-assign all those regions in parallel or at least as many thread as we have region servers? This point can be looked into.  Also need to check the code once as how it work...
   Author: ramkrishna vasudevan, 2013-06-03, 03:08
Re: [ANNOUNCE] The 1st hbase 0.94.8 release candidate is available for download - HBase - [mail # dev]
...Basically did the following -> Ran the testcases with hadoop 1.  Did not get any failures. -> Started the 0.94.8 with hadoop 1 in distributed mode. -> Ran load test tool and mu...
   Author: ramkrishna vasudevan, 2013-05-31, 05:11
Re: Question about HFile seeking - HBase - [mail # user]
...Generally we start with seeking on all the Hfiles corresponding to the region and load the blocks that correspond to that row key specified in the scan.  If row1 and row1c are in the sa...
   Author: ramkrishna vasudevan, 2013-05-17, 07:40
[expand - 2 more] - Re: NullPointerException while loading large amount of new rows into HBase, exception is thrown when trying to obtain lock for RowKey - HBase - [mail # user]
...The lockRow and unlockRow have been replaced by checkAndXXX and increment() apis so that any operation on a particular row can be done automically. Am not sure of the use case that you are a...
   Author: ramkrishna vasudevan, 2013-05-17, 03:49
Re: GET performance degrades over time - HBase - [mail # user]
...This generally happens when the same block is accessed for the HFile.  Are you seeing any contention on the HDFS side?  Regards Ram   On Thu, May 16, 2013 at 4:19 PM, Bing Jia...
   Author: ramkrishna vasudevan, 2013-05-16, 16:28
Re: Where is scanner startRow used - HBase - [mail # dev]
...If this is a regression (but i don't think it to be) may be if you observe this behaviour in any recent versions or it was like that in all the version that you had used earlier that made yo...
   Author: ramkrishna vasudevan, 2013-05-16, 03:23
[expand - 1 more] - Re: Error about rs block seek - HBase - [mail # user]
...Is it possible to reproduce this with simple test case based on your usecase and data? You can share it so that can really debug the actual problem. Regards Ram   On Mon, May 13, 2013 a...
   Author: ramkrishna vasudevan, 2013-05-13, 08:34
[expand - 1 more] - Re: Secure HBase upon Replication - HBase - [mail # user]
...For instance 0.94.7 and 0.94.7-security?  For the 0.94 versions you need to use the tar ball that has security in it.  In trunk it is not so.  I should have been clear on it. ...
   Author: ramkrishna vasudevan, 2013-05-09, 10:10
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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