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From Erick Erickson <>
Subject Re: Solr Cloud Number of Shard Limitation?
Date Wed, 28 Sep 2011 00:56:43 GMT
No, not really. The administration becomes "interesting",
especially if the slaves are replicated.

One thing to be aware of is the "laggard shard" issue.
Essentially, your aggregated response is limited by the
slowest shard to respond. As you have more and more
shards, the odds that at least one of them will have an
anomalously long response time increases, and your
average response time starts to increase. This is only
really a question when you start getting to a pretty
large number of machines...


On Mon, Sep 26, 2011 at 8:42 AM, Jamie Johnson <> wrote:
> Is there any limitation, be it technical or for sanity reasons, on the
> number of shards that can be part of a solr cloud implementation?

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