[
https://issues.apache.org/jira/browse/LUCENE-5182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13744978#comment-13744978
]
Simon Willnauer commented on LUCENE-5182:
-----------------------------------------
this patch really doesn't fix the actual issue that this alg is freaking crazy
and somehow n! of all the positions etc. I am not even sure what the Big-O of
this is but this patch just tires to prevent this thing from going totally
nuts.
> FVH can end in very very long running recursion on phrase highlight
> -------------------------------------------------------------------
>
> Key: LUCENE-5182
> URL: https://issues.apache.org/jira/browse/LUCENE-5182
> Project: Lucene - Core
> Issue Type: Bug
> Affects Versions: 5.0, 4.4
> Reporter: Simon Willnauer
> Assignee: Simon Willnauer
> Fix For: 5.0, 4.5
>
> Attachments: LUCENE-5182.patch
>
>
> due to the nature of FVH extract logic a simple phrase query can put a FHV
> into a super long running recursion. I had documents taking literally days to
> return form the extract phrases logic. I have a test that reproduces the
> problem and a possible fix. The reason for this is that the FVH never tries
> to early terminate if a phrase is already way beyond the slop coming from the
> phrase query. If there is a document with lot of occurrences or two or more
> terms in the phrase this literally tries to match all possible combinations
> of the terms in the doc.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
