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.
