Re: Hbase Heap Size problem and Native API response is slow

2016-08-27 Thread Dima Spivak
Can you give us more specifics about what kind of performance you're expecting, Manjeet, and what kind of performance you're actually seeing? Also, how big is your cluster (i.e. number of nodes, amount of RAM/CPU per node)? It's also important realize that performance can be impacted by the write p

Re: Hbase Heap Size problem and Native API response is slow

2016-08-27 Thread Manjeet Singh
Thanks Vladrodionov for your reply I took this design from twiter where a rowkey is twitter id and twites and hastag in column I hv mob no or ip by which domain visited in column qualifyer. can you plz tell me how can I index my row key with qualam idk how many column I hv On 27 Aug 2016 22:21, "

Re: Hbase Heap Size problem and Native API response is slow

2016-08-27 Thread Vladimir Rodionov
>> Problem is its very slow rows are not indexed by column qualifier, and you need to scan all of them. I suggest you consider different row-key design or add additional index-table for your table. -Vlad On Sat, Aug 27, 2016 at 4:12 AM, Manjeet Singh wrote: > Hi All, > > can anybody suggest me

Re: Hbase Heap Size problem and Native API response is slow

2016-08-27 Thread Manjeet Singh
Hi All, can anybody suggest me the improvement in my below code Purpose os this code to get column qualifier by prefix scan Problem is its very slow public static ArrayList getColumnQualifyerByPrefixScan(String rowKey, String prefix) { ArrayList list = null; try { FilterList filterList = new F