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Re: Odd WARN in hbase 0.94.2 - HBase - [mail # user]
...The datanode data directory permission settings applies to Apache HDFS 0.22, 0.23 and 2.x, is unrelated and unnecessary for HDFS-347 but is necessary for the older SCR. If not mentioned in t...
   Author: Harsh J, 2013-03-07, 11:06
[HBASE-8020] CompactionRequest should not be based on regionId, but the encoded name instead - HBase - [issue]
...The compaction state check call of HRegionServer#getCompactionState extracts out the regionId (timestamp) of a region to store/check the compaction state. In usual runtime this is fine, as t...
http://issues.apache.org/jira/browse/HBASE-8020    Author: Harsh J, 2013-03-07, 01:37
[HBASE-5071] HFile has a possible cast issue. - HBase - [issue]
...HBASE-3040 introduced this line originally in HFile.Reader#loadFileInfo(...):int allIndexSize = (int)(this.fileSize - this.trailer.dataIndexOffset - FixedFileTrailer.trailerSize());Which on ...
http://issues.apache.org/jira/browse/HBASE-5071    Author: Harsh J, 2013-02-26, 03:12
[HBASE-7850] Bulkload final step can detect and pre-split tables - HBase - [issue]
...Many new devs (read: POC folks?) aren't aware of the pre-split feature of table creation, given that its mostly manual. This leads to situations where a huge amount of data gets loaded into ...
http://issues.apache.org/jira/browse/HBASE-7850    Author: Harsh J, 2013-02-24, 06:12
Re: attributes - basic question - HBase - [mail # user]
...The attributes are serialized along with the base operation request. There's perhaps no immediate client-side usage of this, it is used by the Mutation class to set a cluster ID in HBase's R...
   Author: Harsh J, 2013-02-22, 21:24
Re: does hbase master need to be a hadoop datanode as well? - HBase - [mail # user]
...While this general guideline of not requiring a DN on HM is correct, I just wanted to point out that the HM is hardly high on memory usage/requirements (as possibly stated below), as all it ...
   Author: Harsh J, 2013-02-22, 21:19
Re: status of bin/rename_table.rb - HBase - [mail # user]
...Hi Tian-Ying,  If the need is urgent, try out the solution from Shrijeet at https://issues.apache.org/jira/browse/HBASE-643 (see my comment there at around end). We tried it out earlier...
   Author: Harsh J, 2013-02-21, 18:12
Re: Re-balancer on datanodes that run hbase regions servers - HBase - [mail # user]
...It is a bad idea only cause it will temporarily distort the perfect locality of the regions hosted by each RegionServer. This gets corrected only at the end of the next major compaction of a...
   Author: Harsh J, 2013-02-17, 19:54
Re: Moving master and namenode... - HBase - [mail # user]
...The master does not have any local storage in a fully distributed setup, so the transfer can also be as easy as starting the new master on the new host and failing it over (by killing the or...
   Author: Harsh J, 2013-02-10, 20:22
Re: Is "synchronized" required? - HBase - [mail # user]
...What exceptions do you actually receive - can you send them here? Knowing that is key to addressing your issue.  On Tue, Feb 5, 2013 at 1:50 AM, Bing Li  wrote:    Harsh ...
   Author: Harsh J, 2013-02-04, 20:21
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