bq. but when I click to view the table details it shows there are 5 regions.
Did you include -ROOT- and .META. tables above ? bq. as you can see the maxHeapMB size is 991 Attachment is automatically stripped from your email. FYI On Wed, Feb 20, 2013 at 3:26 PM, Joarder KAMAL <[email protected]> wrote: > Dear All, > > I am currently running a 3 node HBase cluster with Amazon EC2 small > instance (1CPU, 1.7GB Mem). After running a simple workload (type A) using > YCSB benchmarking tool, I noticed in the Web UI that the number of regions > in the 3 region servers are 7 but when I click to view the table details it > shows there are 5 regions. I am a bit confuse. Does the Web UI showing > wrong results? How can I check region details from the shell/is there any > other command line tools for that? I am using Hbase 0.94.3 (as it is the > latest version compatible with YCSB at this moment) with Hadoop-1.0.4. > > Another thing, as you can see the maxHeapMB size is 991 (default setting) > then whenever I am running workloads the server free memory status is > terrible - almost 0MB for 1M/10M transactions (YCSB/Workload-A). My > question is if the maxHeapMB is fixed at 1GB then why I am loosing extra > 700MB memory? How can I monitor cpu/memory/io usage for individual cluster > components (HBase/Hadoop/MapRed/ZK, etc.)? Is there any tool available with > HBase? > > Thanks a lot. > > > [image: Inline images 1] > > > Regards, > Joarder Kamal > > ------------------------------------------ > PhD Student > Gippsland School of Information Technology, > Faculty of Information Technology, > MONASH University > Churchill VIC, Australia. 3842 > >
