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Re: HBase master not starting up - HBase - [mail # user]
...Sounds like your .Meta. table is corrupted.   Thought that was fixed in 90.4...  On Jun 28, 2012, at 1:26 PM, Kasturi wrote:  nodes on a working fine. further restart the mess...
   Author: Michael Segel, 2012-06-28, 18:34
Re: Best practices for custom filter class distribution? - HBase - [mail # user]
...One way..,  Create an NFS mountable directory for your cluster and mount on all of  the DNs.  You can either place a symbolic link in /usr/lib/hadoop/lib or add the  jar ...
   Author: Michael Segel, 2012-06-27, 18:33
Re: [ hbase ] performance of Get from MR Job - HBase - [mail # user]
...I'm not sure as to what you are attempting to do with your data.   There are a couple of things to look at.  Looking at the issue, you have (K,V) pair. That's Key, Value.  But...
   Author: Michael Segel, 2012-06-27, 15:48
Re: Timestamp as a key good practice? - HBase - [mail # user]
...Funny you should mention hardware.  I did submit a talk on cluster design to Strata (NY and London) Seems it  didn't make the cut on NY, but who knows about London...   It see...
   Author: Michael Segel, 2012-06-26, 19:01
Re: Increment Counters in HBase during MapReduce - HBase - [mail # user]
...There are a couple of issues and I'm sure others will point them out.   If you turn off speculative execution on the job, you don't get  duplicate tasks running in parallel.  ...
   Author: Michael Segel, 2012-06-24, 23:19
Re: When node is down - HBase - [mail # user]
...Assuming that you have an Apache release (Apache, HW, Cloudera) ...  (If MapR, replace the drive and you should be able to repair the cluster  from the console. Node doesn't go dow...
   Author: Michael Segel, 2012-06-22, 03:35
Re: Data locality in HBase - HBase - [mail # user]
...While data locality is nice, you may see it becoming less of a bonus or  issue.   With Co-processors available, indexing becomes viable.  So you may see  things where wit...
   Author: Michael Segel, 2012-06-21, 12:45
Re: performance of Get from MR Job - HBase - [mail # user]
...I think the version issue is the killer factor here.   Usually performing a simple get() where you are getting the latest  version of the data on the row/cell occurs in some consta...
   Author: Michael Segel, 2012-06-21, 12:33
Re: delete rows from hbase - HBase - [mail # user]
...Hi,  Ok...  Just a couple of nits...  1) Please don't write your Mapper and Reducer classes as inner classes.   I don't know who started this ... maybe its easier as exam...
   Author: Michael Segel, 2012-06-20, 14:10
Re: Isolation level - HBase - [mail # user]
...Since you don't have OLTP,  the terms need to be better defined.  What is meant by an uncommitted_ write in HBase?  RLL in RDBMS is different than RLL in HBase. You don't have...
   Author: Michael Segel, 2012-06-18, 11:46
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