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From "Zhang, Lisheng" <Lisheng.Zh...@BroadVision.com>
Subject RE: SolrCloud leader to replica
Date Thu, 11 Apr 2013 20:39:42 GMT
Thanks very much for your helps!

-----Original Message-----
From: Otis Gospodnetic [mailto:otis.gospodnetic@gmail.com]
Sent: Thursday, April 11, 2013 1:23 PM
To: solr-user@lucene.apache.org
Subject: Re: SolrCloud leader to replica


Yes, I *think* that is the case.  Some distributed systems have the
option to return success to caller only after data has been
added/indexed to N other nodes, but I think Solr doesn't have this
yet.  Somebody please correct me if I'm wrong.

See: http://search-lucene.com/?q=eventually+consistent&fc_project=Solr

Otis
--
Solr & ElasticSearch Support
http://sematext.com/





On Thu, Apr 11, 2013 at 12:51 PM, Zhang, Lisheng
<Lisheng.Zhang@broadvision.com> wrote:
> Hi Otis,
>
> Thanks very much for the quick help! We are considering to upgrade
> from solr 3.6 to 4x and use solrCloud, but we are concerned about
> performance related to replica? In this scenario it seems that the
> replica would be a few seconds beyond leader because replica would
> start indexing only afer leader finishes his?
>
> Thanks and best regards, Lisheng
>
> -----Original Message-----
> From: Otis Gospodnetic [mailto:otis.gospodnetic@gmail.com]
> Sent: Thursday, April 11, 2013 8:11 AM
> To: solr-user@lucene.apache.org
> Subject: Re: SolrCloud leader to replica
>
>
> I believe it indexes locally on leader first.  Otherwise one could end
> up with a situation where indexing to replica(s) succeeds and indexing
> to leader fails, which I suspect might create a mess.
>
> Otis
> --
> Solr & ElasticSearch Support
> http://sematext.com/
>
>
>
>
>
> On Thu, Apr 11, 2013 at 2:53 AM, Zhang, Lisheng
> <Lisheng.Zhang@broadvision.com> wrote:
>> Hi,
>>
>> In solr 4x solrCloud, suppose we have only one shard and
>> two replica, when leader receives the indexing request,
>> does it immediately forward request to two replicas or
>> it first indexes request itself, then sends request to its
>> two replica?
>>
>> Thanks very much for helps, Lisheng
>>
>>

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