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https://issues.apache.org/jira/browse/LUCENE-3454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13143666#comment-13143666
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Hoss Man commented on LUCENE-3454:
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bq. I think its worth considering "optimize" command to throw an exception in
Solr for this reason... we can add an expert option like mergeIfNeeded instead?
I have mixed feelings on this ... Solr has really tried to ensure that the user
level APIs (ie: HTTP params and the xml syntax) are either unaffected by under
the cover changes, or provide good backcompat with warnings logged when people
use "deprecated" syntax.
But I would suggest that we start by keeping this issue focused on nailing down
the java level issues in the "lucene" layer and get that committed. Then when
we're sure it's done and settled and happy, create a new issue for tracking the
solr level API changes, with considerations like:
* should we log a deprecation warning to 3.x if <optimize> or param
optimize=true is specified, and ignore in 4.x?
* should the existing 'maxSegments' attribute became an option on "commit" or
add a new explicit "merge" command?
* what do we do with postOptimize events listener registrations? log a
deprecation warning, or rename and fire them if/when a merge to a single
segment happens?
(my personal opinion, for any general change not just optimize, is to add new
syntax to reflect the new world order, but as long as we *can* support the old
syntax we should -- with anoying warning logs)
> rename optimize to a less cool-sounding name
> --------------------------------------------
>
> Key: LUCENE-3454
> URL: https://issues.apache.org/jira/browse/LUCENE-3454
> Project: Lucene - Java
> Issue Type: Improvement
> Affects Versions: 3.4, 4.0
> Reporter: Robert Muir
> Assignee: Michael McCandless
> Attachments: LUCENE-3454.patch
>
>
> I think users see the name optimize and feel they must do this, because who
> wants a suboptimal system? but this probably just results in wasted time and
> resources.
> maybe rename to collapseSegments or something?
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