Thanks, Shalin. Making clusterstate.json on a collection basis sounds
awesome.

 I am not having problems with #2 . #3 is a major time hog in my
environment. I have over 300 +collections and restarting the entire cluster
takes in the order of hours.  (2-3 hour). Can you explain more about the
leaderVoteWait setting?




On Thu, Mar 20, 2014 at 1:28 PM, Shalin Shekhar Mangar <
shalinman...@gmail.com> wrote:

> There are no arbitrary limits on the number of collections but yes
> there are practical limits. For example, the cluster state can become
> a bottleneck. There is a lot of work happening on finding and
> addressing these problems. See
> https://issues.apache.org/jira/browse/SOLR-5381
>
> Boot up time is because of:
> 1) Core discovery, schema/config parsing etc
> 2) Transaction log replay on startup
> 3) Wait time for enough replicas to become available before leader
> election happens
>
> You can't do much about 1 right now I think. For #2, you can keep your
> transaction logs smaller by a hard commit before shutdown. For #3
> there is a leaderVoteWait settings but I'd rather not touch that
> unless it becomes a problem.
>
> On Fri, Mar 21, 2014 at 1:39 AM, Chris W <chris1980....@gmail.com> wrote:
> > Hi there
> >
> >  Is there a limit on the # of collections solrcloud can support? Can
> > zk/solrcloud handle 1000s of collections?
> >
> > Also i see that the bootup time of solrcloud increases with increase in #
> > of cores. I do not have any expensive warm up queries. How do i speedup
> > solr startup?
> >
> > --
> > Best
> > --
> > C
>
>
>
> --
> Regards,
> Shalin Shekhar Mangar.
>



-- 
Best
-- 
C

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