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From: Susheel Kumar <susheel2777@gmail.com>
Date: Sun, 23 Jul 2017 11:01:05 -0400
Message-ID: <CAJuqOKLJS-=g-4Y5cDL4X-D_Rj-FJ2vcLAgxshOv0OLZhcTb6g@mail.gmail.com>
Subject: Re: Need guidance solrcloud shardings with date interval
To: solr-user@lucene.apache.org
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archived-at: Sun, 23 Jul 2017 15:01:28 -0000

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If you decide to go with multiple collection and aliasing, this would be
useful

https://blog.cloudera.com/blog/2013/10/collection-aliasing-near-real-time-search-for-really-big-data/


On Sat, Jul 22, 2017 at 10:37 AM, Shawn Heisey <apache@elyograg.org> wrote:

> On 7/22/2017 5:02 AM, m rehman kahloon wrote:
> > but my R&D is to find a way, not to use shard name using loading
> > time,solrcloud automatically load data into predefined shard/date
> specific
> > shard.
>
> The implicit router is the only one you can use when you're doing time
> interval sharding, because it's the only one that allows the addition of
> new shards after collection creation.
>
> There is a reason that we are considering renaming the "implicit" router
> to "manual" instead.
>
> https://issues.apache.org/jira/browse/SOLR-6630
>
> When you use the implicit router, you're completely in charge of
> sharding.  There is no automation.  You must name the shards, create
> them, delete them, and inform Solr during indexing about which shard
> will get new documents.  If you want to only query a subset of the
> shards in a collection, you are responsible for telling Solr that with
> the shards parameter on the query.
>
> If you want to come up with a way to patch the Solr source code to add a
> new router that does automated time interval sharding, that will be
> welcome.
>
> Thanks,
> Shawn
>
>

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