Is it normal that stopping the hbase cluster is really slow? Is it different to start/stop the hbase service through /etc/init.d/hadoop-hbase-master or hbase/bin/start-hdfs.sh?
On Tue, Jan 3, 2012 at 8:55 AM, Hamed Ghavamnia <ghavamni...@gmail.com>wrote: > To TS.chia, > Thanks, but that's for running a hadoop cluster on multiple nodes, which > isn't the problem, I've already got that running, I want to know how to run > HBase on that multi-node cluster. > > To Alexander, > Thanks, I checked them out. I'm really having a hard time understanding > the relation between zookeeper and hbase, and how to configure the region > servers and the master. My actual question is, which configs should be done > on the master and which on the slaves. For example for hdfs, we would set > the namenode for all the datanodes in the hdfs-site.xml file, but hbase > doesn't seem to have something like that. Where is the master run, does the > master automatically run on the system which I run bin/hbase-start.sh? > On my simple test I'm running, I have a regionserver on one of my machines > (slave_two), and the zookeeper on another (slave_one), and I run > bin/start-hbase.sh on my hdfs datanode (master). > When I start hbase on the master, it starts the zookeeper successfully, it > can start the regionserver as well, but for the master it says the master > is already running, but I've stopped hbase on all of the machines (with > /etc/init.d/hadoop-hbase-master stop). > > > On Tue, Jan 3, 2012 at 7:19 AM, Alexander Lorenz <wget.n...@googlemail.com > > wrote: > >> Hi, >> >> here two links for: >> http://wiki.apache.org/hadoop/Hbase/10Minutes >> https://ccp.cloudera.com/display/CDHDOC/HBase+Installation >> >> Install hbase and zookeeper, edit the configs (for single or multinode), >> pro host a unique ID (myid) for zookeeper, start zookeeper on all nodes as >> hbase too. Don't forget to identify your servers as master and slaves in >> hbase-site.xml and setup a path in hdfs (/hbase) as example. Use this path >> in your config. >> If the server does not start check the logs for errors. >> >> For testing I setup a image with 4 servers, you can download it here: >> http://mapredit.blogspot.com/p/all-in-one-hadoop-multi-node-appliance.html >> >> - Alex >> >> Alexander Lorenz >> http://mapredit.blogspot.com >> >> On Jan 2, 2012, at 5:07 AM, Hamed Ghavamnia <ghavamni...@gmail.com> >> wrote: >> >> I've checked that out, but I don't understand what changes should be made >> to the config files on the hbase-master and the region servers. I've added >> my region servers(which are the same as my datanodes in hdfs) to the >> regionservers file, and I've changed the hbase-site.xml configuration file, >> but the hbase master web UI doesn't show any region servers. >> >> On Mon, Jan 2, 2012 at 4:02 PM, Sudharsan Sampath <sudha...@gmail.com>wrote: >> >>> If you are just looking for just steps The HBase Definitive Guide does a >>> decent brief. I am not sure of any automated tools handy though creating >>> one based on the steps is straight forward >>> >>> -Sudhan S >>> >>> >>> On Mon, Jan 2, 2012 at 5:52 PM, Hamed Ghavamnia >>> <ghavamni...@gmail.com>wrote: >>> >>>> Hi, >>>> Does anyone have a link for a good tutorial regarding how to setup a >>>> fully distributed hbase on top of a multi-node hadoop cluster? >>>> >>>> Thanks, >>>> Hamed >>>> >>> >>> >> >
