The console has a notion of online and offline to show a status to the admins so they can be alerted if something goes offline and can take an action.
On Wed, Jul 16, 2014 at 12:52 PM, Tim Williams <[email protected]> wrote: > On Wed, Jul 16, 2014 at 12:31 PM, Chris Rohr <[email protected]> wrote: > > Would this be from the Thrift calls only? (i.e. not the > > ZookeeperClusterStatus object?) The console uses the > > ZookeeperClusterStatus object to get online/offline shards and > controllers > > from ZK. > > No, it'd be removed everywhere (thrift and zk path). It'd basically > get rid of the notion of 'offline' shards - your usage is essentially > the same as the TopCommand I described. The trouble is that in a world > of random ports a lot of bookkeeping overhead would be necessary to > reliably maintain the notion of 'offline' or 'registered vs online' > shards. As I understand it, the need for them was back when the > layout manager relied on that knowledge but the default layout manager > is more dynamic now. Do you just display them or is there another > need in the console for them? > > Thanks, > --tim >
