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https://issues.apache.org/jira/browse/SOLR-2118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12908445#action_12908445
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Mark Miller commented on SOLR-2118:
-----------------------------------
Setting the divisor that way shouldn't likely work on trunk anymore, since
Lucene dropped it. That is just a generic 'call this bean method' system.
I think the story is that the interval came first, but we don't specify
indexwriter anywhere in solrconfig, so it made sense to go where it is perhaps
- and then later this generic system to call setters was impl'd, and it just
happens that for a little while you could use it to set the termIndexInterval.
I'm all for consistency if it possible though. So far, Solr has really avoided
exposing an IndexWriter - it's not even part of the UpdateHandler interface. We
have hacked around that here and there by exposing in DirectUpdateHandler2 and
counting on that impl for certain functionality.
> IndexReaderFactory.setTermIndexInterval is misleading and confusing
> -------------------------------------------------------------------
>
> Key: SOLR-2118
> URL: https://issues.apache.org/jira/browse/SOLR-2118
> Project: Solr
> Issue Type: Improvement
> Components: search
> Affects Versions: 1.4
> Reporter: Robert Muir
> Fix For: 3.1, 4.0
>
>
> To change the terms index divisor: you currently do this:
> {noformat}
> <indexReaderFactory name="IndexReaderFactory"
> class="org.apache.solr.core.StandardIndexReaderFactory">
> <int name="setTermIndexInterval">12</int>
> </indexReaderFactory >
> {noformat}
> But to change the terms index interval, you do this:
> {noformat}
> <indexDefaults>
> ...
> <termIndexInterval>256</termIndexInterval>
> ...
> </indexDefaults>
> {noformat}
> I feel the IR parameter should be *setTermIndexDivisor* or similar instead:
> the name is very misleading and someone could easily put a terrible value
> in the wrong place by confusing the two.
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