Are there any 'best practices' when running zookeeper on ec2? i.e. the latency could be poor and hostname/ip addresses can also change when bring a node up/down.
On Sat, Jun 14, 2014 at 10:13 AM, Ted Yu <[email protected]> wrote: > bq. what is the process do recover? > > You need to bring zookeeper nodes back as soon as possible. > > bq. will all clients reconnect or do you have to restart all servers? > > This depends on the release of hbase you're using and the duration which > zookeeper ensemble is down. > If the duration is longer than the value for zookeeper.session.timeout, > region servers would go down. > > See also http://hbase.apache.org/book.html#zookeeper > > > On Sat, Jun 14, 2014 at 6:31 AM, S Ahmed <[email protected]> wrote: > > > Hello, > > > > If zookeeper goes down (all of them if you have 3/5 nodes), what is the > > process do recover? > > > > If you simply bring back the zookeeper nodes, will all clients reconnect > or > > do you have to restart all servers? > > > > Thanks. > > >
