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[expand - 1 more] - RE: Where is code in hbase that physically delete a record? - HBase - [mail # user]
...Hi Yun,              We have preCompactScannerOpen() and preCompact() hooks..  As we said, for compaction, a scanner for reading all corresponding HFi...
   Author: Anoop Sam John, 2012-10-18, 03:32
RE: Connecting Remote Hbase & pentaho - HBase - [mail # user]
...Hi Kuldeep,                     If I read your intention behind the question correctly,  you want to know whether you can connect to HB...
   Author: Anoop Sam John, 2012-10-16, 04:23
[HBASE-6040] Use block encoding and HBase handled checksum verification in bulk loading using HFileOutputFormat - HBase - [issue]
...When the data is bulk loaded using HFileOutputFormat, we are not using the block encoding and the HBase handled checksum features..  When the writer is created for making the HFile, I a...
http://issues.apache.org/jira/browse/HBASE-6040    Author: Anoop Sam John, 2012-10-12, 06:36
RE: key design - HBase - [mail # user]
...In that case you can go with your 1st approach IMO "1.key=userid-timestamp and column:=content"  of the key. is it ok? Yes it is...  -Anoop- _______________________________________...
   Author: Anoop Sam John, 2012-10-11, 09:10
RE: How well does HBase run on low/medium memory/cpu clusters? - HBase - [mail # user]
...d? Disk bound?  I would say HBase (RegionServers) are more memory bound.  -Anoop- ________________________________________ From: David Parks [[EMAIL PROTECTED]] Sent: Thursday, Oct...
   Author: Anoop Sam John, 2012-10-11, 08:10
[expand - 1 more] - RE: Temporal in Hbase? - HBase - [mail # user]
...Hi Shumin,  Your problem was end_time >= const_st or end_time is null.....  You can make use of FilterList with MUST_PASS_ALL (AND) condition only.. Th is can contain one Single...
   Author: Anoop Sam John, 2012-10-11, 05:10
[expand - 1 more] - RE: bulk deletes - HBase - [mail # user]
...You are right Jerry.. In your use case you want to delete full rows or some cfs/columns only?  Pl s feel free to see the issue HBASE-6942 and give your valuable comments.. Here I am try...
   Author: Anoop Sam John, 2012-10-11, 04:04
[expand - 1 more] - RE: HBase table - distinct values - HBase - [mail # user]
...Hi Ravi          If dept_no is a CF:qualifier, to know all the dept numbers (distin ct or not) you need a full table scan. As Doug said if it is a frequent onl ine q...
   Author: Anoop Sam John, 2012-10-11, 04:01
[expand - 1 more] - RE: connect to the region from coprocessor - HBase - [mail # user]
...rs? All the KVs [columns, versions] corresponding to one rowkey will be always  there in one region. One row is not splittable  -Anoop- ________________________________________ Fro...
   Author: Anoop Sam John, 2012-10-10, 12:41
RE: Column Qualifier space requirements - HBase - [mail # user]
...Qualifier (and sometimes it makes sense)... Yes  it physically repeated for each cell? Yes CF byte[] also physically stored in every cell (every KV)..  At the sto rage level HBase ...
   Author: Anoop Sam John, 2012-10-03, 05:47
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