What kind of reading are you doing ? Random reads or scans? What version of hbase? Thanks, St.Ack
2010/2/25 <y_823...@tsmc.com>: > Hi, > > We have 20 1U servers (4 core, 12G ram) as a cluster, > 3 zookeepers, 10 region servers. > My program is to read hbase table data one by one. > Read -> hbaseTable1 > hbaseTable2 > hbaseTable3 > . > . > . > hbaseTable30 > --------------------------------------------------- > I collected some performance data while I started different number of > client to read data > from hbase concurrently. > > 10 client duration : 53 (sec) > 50 181 > 200 839 > 400 1801 > > I think the multiple reading performance is not good. > How can I start to fine tune it? > Any suggestion would be appreciated! > > > Fleming Chiu(邱宏明) > 707-6128 > y_823...@tsmc.com > 週一無肉日吃素救地球(Meat Free Monday Taiwan) > > > --------------------------------------------------------------------------- > TSMC PROPERTY > This email communication (and any attachments) is proprietary information > for the sole use of its > intended recipient. Any unauthorized review, use or distribution by anyone > other than the intended > recipient is strictly prohibited. If you are not the intended recipient, > please notify the sender by > replying to this email, and then delete this email and any copies of it > immediately. Thank you. > --------------------------------------------------------------------------- > > > >