Preventing ES Shard Dance

Hi Otis,

What tooling are you using to gather and chart those metrics?

Mark

On Tuesday, March 6, 2012 3:13:24 AM UTC-8, Otis Gospodnetic wrote:

Hello,

We've been doing a lot of Elasticsearch performance testing lately. While
testing, we've experienced the "ES shard dance" shown in the attachment
whenever we restarted any of the nodes. This, of course, made testing hard
because we couldn't keep a fixed shard distribution between restarts and
between some of the test runs, plus it slowed us down (you can see this
shard dance took over 1 hour).

Is it possible to start Elasticsearch and tell it not to move any shards
around even if it thinks there is a better way to distribute them?

Thanks,
Otis

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