You might be affected by this: https://issues.apache.org/jira/browse/HBASE-11558
On Wed, Jun 25, 2014 at 4:18 PM, Ishan Chhabra <[email protected]> wrote: > Li Li, > Were you able to figure out the cause of this? I am seeing something > similar. > > > On Wed, May 7, 2014 at 10:50 PM, Li Li <[email protected]> wrote: > >> today I upgraded hbase 0.94.11 to 0.96.2-hadoop1. I have not changed >> any client codes except replace 0.94.11 client jar to 0.96.2 's >> When with old version. when doing mapreduce task. the requests per >> seconds is about 10,000. But with new one, the value is 300. What's >> wrong with it? >> The hbase put and get is fast and Request Per Second is larger than 5,000 >> >> my codes: >> List<Scan> scans = new ArrayList<Scan>(); >> Scan urldbScan=new Scan(); >> urldbScan.setCaching(5000); >> urldbScan.setCacheBlocks(false); >> urldbScan.setAttribute(Scan.SCAN_ATTRIBUTES_TABLE_NAME, >> HbaseTools.TB_URL_DB_BT); >> urldbScan.addFamily(HbaseTools.CF_BT); >> scans.add(urldbScan); >> Scan outLinkScan=new Scan(); >> outLinkScan.setCaching(5000); >> outLinkScan.setCacheBlocks(false); >> outLinkScan.setAttribute(Scan.SCAN_ATTRIBUTES_TABLE_NAME, >> HbaseTools.TB_OUT_LINK_BT); >> outLinkScan.addFamily(HbaseTools.CF_BT); >> scans.add(outLinkScan); >> TableMapReduceUtil.initTableMapperJob(scans, Step1Mapper.class, >> BytesWritable.class, >> ScheduleData.class, job); >> > > > > -- > *Ishan Chhabra *| Rocket Scientist | RocketFuel Inc. > -- *Ishan Chhabra *| Rocket Scientist | RocketFuel Inc.
