RE: Understanding scan behaviour

2013-03-28 Thread Li, Min
Hi, Mohit, Try using ENDROW. STARTROW&ENDROW is much faster than PrefixFilter. "+" ascii code is 43 "," ascii code is 44 scan 'SESSIONID_TIMELINE', {LIMIT => 1,STARTROW => '', ENDROW=>'+++,'} Min -Original Message- From: Mohit Anchlia [mailto:mohitanch...@gmail.com] Sent: Friday,

RE: ValueFilter and VERSIONS

2013-01-17 Thread Li, Min
not possible. Setting versions to 1 will make only one version (latest) version getting back to the client. But the filtering is done prior to the versioning decision and filters will see all the version values. -Anoop- From: Li, Min [m...@microstrategy.com

RE: ValueFilter and VERSIONS

2013-01-17 Thread Li, Min
e.org Subject: RE: ValueFilter and VERSIONS Can you make use of SingleColumnValueFilter. In this you can specify whether the condition to be checked only on the latest version or not. SCVF#setLatestVersionOnly ( true) -Anoop- From: Li, Min [m...@microstrateg

ValueFilter and VERSIONS

2013-01-17 Thread Li, Min
Hi all, As you know, ValueFilter will filter data from all versions, so I create a table and indicate it has only 1 version. However, the old version record still can be gotten by ValueFilter? Does anyone know how to create a table with only one version record? BTW, I am using hbase 0.92.1. Fo

RE: Expert suggestion needed to create table in Hbase - Banking

2012-11-25 Thread Li, Min
When 1 cf need to do split, other 599 cfs will split at the same time. So many fragments will be produced when you use so many column families. Actually, many cfs can be merge to only one cf with specific tags in rowkey. For example, rowkey of customer address can be uid+'AD', and customer profi