Actually if you are going to admin your own ZK it's probably a good idea to review that Admin doc fully. Some other good detail in there (backups and cleaning the datadir for example).
Regards, Patrick On Fri, Oct 29, 2010 at 7:22 AM, Tim Robertson <timrobertson...@gmail.com> wrote: > Great - thanks Patrick! > > > On Thu, Oct 28, 2010 at 6:13 PM, Patrick Hunt <ph...@apache.org> wrote: >> Tim, one other thing you might want to be aware of: >> http://hadoop.apache.org/zookeeper/docs/current/zookeeperAdmin.html#sc_supervision >> >> Patrick >> >> On Thu, Oct 28, 2010 at 9:11 AM, Patrick Hunt <ph...@apache.org> wrote: >>> On Thu, Oct 28, 2010 at 2:52 AM, Tim Robertson >>> <timrobertson...@gmail.com> wrote: >>>> We are setting up a small Hadoop 13 node cluster running 1 HDFS >>>> master, 9 region severs for HBase and 3 map reduce nodes, and are just >>>> installing zookeeper to perform the HBase coordination and to manage a >>>> few simple process locks for other tasks we run. >>>> >>>> Could someone please advise what kind on heap we should give to our >>>> single ZK node and also (ahem) how does one actually set this? It's >>>> not immediately obvious in the docs or config. >>> >>> The amount of heap necessary will be dependent on the application(s) >>> using ZK, also configuration of the heap is dependent on what >>> packaging you are using to start ZK. >>> >>> Are you using zkServer.sh from our distribution? If so then you >>> probably want to set JVMFLAGS env variable. We pass this through to >>> the jvm, see -Xmx in the man page >>> (http://www.manpagez.com/man/1/java/) >>> >>> Given this is Hbase (which I'm reasonably familiar with) the default >>> heap should be fine. However you might want to check with the Hbase >>> team on that. >>> >>> I'd also encourage you to enter a JIRA on the (lack of) doc issue you >>> highlighted: https://issues.apache.org/jira/browse/ZOOKEEPER >>> >>> Regards, >>> >>> Patrick >>> >> >
