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Re: Coprocessor HDFS jar hot deployment - HBase - [mail # user]
...Thanks. I may try this approach later. Now I am using a remote cluster to test and I have this workaround:  mvn install and skip test copy the cp to the remote cluster mvn install with ...
   Author: Wei Tan, 2013-02-01, 01:02
maven junit test of a coprocessor - HBase - [mail # user]
...Hi, I am writing a maven junit test for a HBase coprocessor. The problem is  that, I want to write a junit test that deploy the cp jar into a cluster,  and test its function. Howev...
   Author: Wei Tan, 2013-01-31, 07:27
[expand - 1 more] - Re: copy table AND descriptor - HBase - [mail # user]
...Hi Ted, Thanks for your remind. I made it in two steps:  1. write a java problem to create a table using original table's  descriptor. 2. use ./bin/hbase org.apache.hadoop.hbase.ma...
   Author: Wei Tan, 2013-01-30, 03:58
Which version has FuzzyRowFilter? - HBase - [mail # user]
...Hi,   I did a quick lookup and found these two threads related to  FuzzyRowFilter status: https://issues.apache.org/jira/browse/HBASE-7628 https://issues.apache.org/jira/browse/HBA...
   Author: Wei Tan, 2013-01-23, 19:08
[expand - 1 more] - Re: Coprocessor / threading model - HBase - [mail # user]
...Thanks Andrew for your detailed clarification. Now I understand that in general, the system is subject to CAP theorem.  You want good consistency AND latency, then partition tolerance n...
   Author: Wei Tan, 2013-01-15, 22:41
[expand - 1 more] - Re: Meaure server time of Get/Scan - through RPC logging? - HBase - [mail # user]
...Hmm... I appreciate it if anybody can point me how to measure server side  Get/Scan time... Thanks!   Best Regards, Wei     From:   Wei Tan/Watson/IBM To:   &nb...
   Author: Wei Tan, 2012-12-09, 02:41
RE: Hbase MapReduce - HBase - [mail # user]
...Actually coprocessor can be used to implement MR-like function, while not  using Hadoop framework.    Best Regards, Wei  Wei Tan  Research Staff Member  IBM T. ...
   Author: Wei Tan, 2012-11-25, 06:26
[expand - 2 more] - RE: Retrieve Put timestamp - HBase - [mail # user]
...I wonder if there is any follow up on this issue, i.e., a put can return a  timestamp of the record? Thanks!  Best Regards, Wei    From:   Wei Tan/Watson/IBM To: &nb...
   Author: Wei Tan, 2012-11-14, 00:08
readRequestsCount: 2 in one read - HBase - [mail # user]
...Hi,    I am monitoring the readRequestsCount shown in the "Requests" column in  the web GUI of a server/region. I observe that, while a put correspond to  ONE write reque...
   Author: Wei Tan, 2012-10-16, 19:29
[expand - 1 more] - RE: connect to the region from coprocessor - HBase - [mail # user]
...Thank you Anoop and that is a very helpful suggestion.   Best Regards, Wei      From:   Anoop Sam John  To:     "[EMAIL PROTECTED]" ,  "[EMAIL PR...
   Author: Wei Tan, 2012-10-11, 17:45
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