counter performance

2015-04-26 Thread Serega Sheypak
Hi, I'm going to count activity. Is it good Idea to use HBase to count? Count it cause hotspots? What are the optimisations for HBase to increase counters throughput? I've found old letter here: http://search-hadoop.com/m/xfABgvwuvQ1/counter+incrementsubj=Re+on+the+impact+of+incremental+counters

Re: I can't start cluster due to zookeeper

2015-04-26 Thread Ted Yu
Can you use zkCli.sh to check the contents under /hbase ? Please check zookeeper logs to see if quorum was running fine. bq. [main-SendThread(pc273.emulab.nethttp://pc273.emulab.net:2181)] Please remove the 'http://...' from hbase.zookeeper.quorum config. Cheers On Sun, Apr 26, 2015 at 11:08

I can't start cluster due to zookeeper

2015-04-26 Thread Bo Fu
Hi all, I have problem starting a cluster of 1 master and 3 region server. When I started the cluster, the HMaster and HRegionserver will automatically exit. My abase-site.xml: configuration property namehbase.master/name valuehadoopmaster:6/value /property property