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Posted to dev@lucene.apache.org by "Robert Muir (JIRA)" <ji...@apache.org> on 2011/06/02 11:20:47 UTC
[jira] [Created] (SOLR-2572) improve mergepolicy configuration
improve mergepolicy configuration
---------------------------------
Key: SOLR-2572
URL: https://issues.apache.org/jira/browse/SOLR-2572
Project: Solr
Issue Type: Improvement
Reporter: Robert Muir
Fix For: 3.3, 4.0
Spinoff from SOLR-2567.
Currently configuration of a mergepolicy in solr is by lucene classname (must have no-arg ctor), and
some merge-policy specific configuration parameters are not per-mergepolicy, but instead with the rest of the index configuration.
I think we should make this more pluggable, so that we can fully configure things like TieredMergePolicy,
and also so that if someone wants to plug in their own MP they can do that too.
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[jira] [Resolved] (SOLR-2572) improve mergepolicy configuration
Posted by "Robert Muir (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/SOLR-2572?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Robert Muir resolved SOLR-2572.
-------------------------------
Resolution: Won't Fix
See my note on SOLR-2567, at the moment all merge policies take simple setters with primitive types, so you can actually configure all their parameters already.
Because of this, I think some factory interface would just be overkill, when you can already just do:
{noformat}
<mergePolicy class="org.apache.lucene.index.TieredMergePolicy">
<int name="maxMergeAtOnceExplicit">19</int>
<int name="segmentsPerTier">9</int>
</mergePolicy>
{noformat}
> improve mergepolicy configuration
> ---------------------------------
>
> Key: SOLR-2572
> URL: https://issues.apache.org/jira/browse/SOLR-2572
> Project: Solr
> Issue Type: Improvement
> Reporter: Robert Muir
> Fix For: 3.3, 4.0
>
>
> Spinoff from SOLR-2567.
> Currently configuration of a mergepolicy in solr is by lucene classname (must have no-arg ctor), and
> some merge-policy specific configuration parameters are not per-mergepolicy, but instead with the rest of the index configuration.
> I think we should make this more pluggable, so that we can fully configure things like TieredMergePolicy,
> and also so that if someone wants to plug in their own MP they can do that too.
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