Done! analytics1001 and analytics1002 are now the Hadoop NameNodes, and the analytics1001 is the YARN master.
Thanks all! -Ao > On Jan 16, 2015, at 10:46, Andrew Otto <[email protected]> wrote: > > I am starting this now. > > >> On Jan 15, 2015, at 11:34, Andrew Otto <[email protected] >> <mailto:[email protected]>> wrote: >> >> Hi all, >> >> I’m in the middle of a (slow) upgrade process for the Hadoop cluster. >> Currently, we are running CDH 5.0.2, and would like to upgrade to CDH 5.3. >> There are several steps to this process, the first of which is upgrading our >> OS to Ubuntu Trusty. >> >> Along the way, I’m replacing our current NameNodes with different hardware. >> I am ready to do this now. I don’t see much opportunity to schedule this >> over the next couple of weeks, due to All-Hands travel, so I’d like to >> schedule this for tomorrow morning (Friday January 16th). >> >> I expect this to be relatively simple downtime, that will only take a few >> minutes. Just in case, I’d like to reserve 2 hours of time. >> >> So, unless there are serious objections, plan for Hadoop to be offline from >> >> 2015-01-16 15:45 - 17:45 UTC >> >> Also, please don’t start jobs before this time slot that you think will take >> a long time. If there are running jobs, I either can’t shut down the >> cluster, or I will have to kill the jobs. If I see running jobs, I’ll try >> to reach out to you before I kill anything. >> >> If anyone is interested in a rough migration plan, it is here: >> >> https://wikitech.wikimedia.org/wiki/Analytics/Cluster/Hadoop/Administration#Migrating_to_new_HA_NameNodes >> >> <https://wikitech.wikimedia.org/wiki/Analytics/Cluster/Hadoop/Administration#Migrating_to_new_HA_NameNodes> >> >> Thanks all! >> >> -Ao >> >> >
_______________________________________________ Analytics mailing list [email protected] https://lists.wikimedia.org/mailman/listinfo/analytics
