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RE: Cannot run selected test under 0.94, is OK under trunk/95 though. - HBase - [mail # user]
...Andrew,   Thanks! -PlocalTests works!  Tian-Ying  ________________________________________ From: Andrew Purtell [[EMAIL PROTECTED]] Sent: Tuesday, March 26, 2013 1:54 PM To: [...
   Author: Tianying Chang, 2013-03-26, 21:37
[HBASE-7818] add region level metrics readReqeustCount and writeRequestCount - HBase - [issue]
...Request rate at region server level can help identify the hot region server. But it will be good if we can further identify the hot regions on that region server. That way, we can easily fin...
http://issues.apache.org/jira/browse/HBASE-7818    Author: Tianying Chang, 2013-03-23, 04:53
[HBASE-8044] split/flush/compact/major_compact from hbase shell does not work for region key with \x format - HBase - [issue]
...the conversion between bytes and string is incorrect...
http://issues.apache.org/jira/browse/HBASE-8044    Author: Tianying Chang, 2013-03-15, 19:27
[HBASE-8085] Backport the fix for Bytes.toStringBinary() into 94 (HBASE-6991) - HBase - [issue]
...there is a bug in Bytes.toStringBinary(), which will return the same string for 1) byte[] a = {'\\', 'x', 'D', 'A'} 2) "\xDA". It seems this bug has already been fixed in trunk with HBA...
http://issues.apache.org/jira/browse/HBASE-8085    Author: Tianying Chang, 2013-03-15, 03:52
[HBASE-7816] numericPersistentMetrics should not be cleared for regions that are not being closed - HBase - [issue]
...when a region is closed, the region level dynamic metrics "numericPersistentMetrics" are cleared for all regions on the same region servers. It is OK for numericMetrics and timeVaryingMetric...
http://issues.apache.org/jira/browse/HBASE-7816    Author: Tianying Chang, 2013-02-28, 23:35
RE: status of bin/rename_table.rb - HBase - [mail # user]
...I already fixed this script to make it working mid last year, we used it in our production since. Also we don't need to run hbck -fix afterwards.  The script works for both 92 and 94. &...
   Author: Tianying Chang, 2013-02-21, 18:30
RE: Empty a table - HBase - [mail # user]
...You can achieve this goal by deleting all the HFiles of this table. Remember just Hfile, but not the region folders. We did it before with a simple script  that loop through the Hfiles,...
   Author: Tianying Chang, 2013-02-05, 17:37
RE: AsynchBase client holds stale dead region server for long time even after the META has already been update. - HBase - [mail # user]
...Thanks Shrijeet  Thanks for the information! We have seen this couple times recently. Last week, it was very long(like 40+ minutes before we restart). I will follow up on that discuss t...
   Author: Tianying Chang, 2013-01-26, 01:28
[HBASE-7060] Region load balancing by table does not handle the case where a table's region count is lower than the number of the RS in the cluster - HBase - [issue]
...When the table's region count is less than the count of region servers, the region balance algorithm will not move the region. For example, the cluster has 100 RS, the table has 50 regions s...
http://issues.apache.org/jira/browse/HBASE-7060    Author: Tianying Chang, 2012-12-03, 21:47
[HBASE-7061] region balance algorithm should do "contiue" instead of "break" when calculating the underloaded server - HBase - [issue]
...I found this issue when investigating HBASE-7060. Basically, I think  the intention of this code below is to find all the underloaded server. By using break, it will exit earlier, depen...
http://issues.apache.org/jira/browse/HBASE-7061    Author: Tianying Chang, 2012-11-07, 18:40
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