Thrift rowWithColumns along with versions

2015-07-01 Thread Navdeep Agrawal
Hi , I am exploring thrift service in Hbase in python ,we have a scenario where we want column cell map (hence rowWithColumn call) and also want to pass numVersions(We are using gVersions set in our coprocessors ), which is not available in rowWithColumns , is there any workaround . One is we

RE: Coprocessor accessibility

2015-05-22 Thread Navdeep Agrawal
activated can pass attribute, with known name, through Get object. The observer can try to retrieve this attribute: public byte[] getAttribute(String name) { when attribute is present, do special handling. FYI On Thu, May 21, 2015 at 8:42 AM, Navdeep Agrawal navdeep_agra...@symantec.com

Coprocessor accessibility

2015-05-21 Thread Navdeep Agrawal
Hi, I have developed a baseRegionObserver coprocessor overriding preGetop, preScan which will be returning a top elements of each cell. Now I want to enable this coprocessor only for myself or some certain users ,so that normal user will get normal result and some user who want to use it can

cell level coprocessor

2015-05-14 Thread Navdeep Agrawal
Hi, I am trying to use co processor to do some aggregations(eg topn) over all versions of a cell and return it . I found most of the aggregation implementation with coprocessors are done on column . how we can achieve for every cell in that column ,any ideas ,links ??? Use case - if I want