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From Lance Norskog <>
Subject Re: spellcheck index blown away during rebuild
Date Sat, 21 Aug 2010 02:56:06 GMT
The first question is about your use cases. How many words are in the
eventual 3GB spelling index? Do you really need that many?
Spell-checking is a more controllable UI if you make it from a

What you're talking about is effectively promoting the spellcheck
index to a first-class Solr index, instead of an appendage bolted on
the side of an existing core. Given sharding and distributed search,
this may be a better design.


On Fri, Aug 20, 2010 at 2:14 PM, Shawn Heisey <> wrote:
>  I am just delving into the spellcheckcomponent on a test server running a
> 3.1 build from June 29th.  I have noticed that when you ask for a rebuild of
> the spell check index, it deletes it before starting the rebuild.  It takes
> about 39 minutes to build one (3GB), which is a long time to do without
> autosuggest.  I expect it to take less time on my production servers, but
> don't yet know how much less.
> Given that it seems to be using the same segment capabilities as the rest of
> Solr, would it not be possible for it to keep the old one around while it
> builds a new one, then switch before deleting the old one?  I could not see
> an existing Jira issue on this.  Does anyone know of one, or should I create
> it?
> Thanks,
> Shawn

Lance Norskog

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