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From "Nicholas Jakobsen (JIRA)" <>
Subject [jira] [Commented] (SOLR-3652) Range Faceting will infinite loop if gap is too small relative to lower bounds of range (underflow occurs on add)
Date Wed, 25 Jul 2012 07:13:34 GMT


Nicholas Jakobsen commented on SOLR-3652:

I have a more generic DSL that I use to specify fields for faceting. For simplicity, all the
values from range facets (including dates, datetimes, integers, floats, doubles, etc...) are
converted to a float for indexing. This is why I haven't explored other data types.

As for SOLR-2773, Ha! The amount of time I've spent dealing with BCE to signed-year conversions,
gregorian calendars, and far past dates. Jumping into the conversation in SOLR-1899 is a little
confusing. Why don't you email me and explain the issue, and I'll see if I can help.
> Range Faceting will infinite loop if gap is too small relative to lower bounds of range
(underflow occurs on add)
> -----------------------------------------------------------------------------------------------------------------
>                 Key: SOLR-3652
>                 URL:
>             Project: Solr
>          Issue Type: Bug
>    Affects Versions: 4.0-ALPHA, 3.6.1
>         Environment: OSX Lion, Macbook Pro, 8GB Ram
>            Reporter: Nicholas Jakobsen
>            Assignee: Hoss Man
>              Labels: facet, range
>             Fix For: 4.0, 5.0
>         Attachments: SOLR-3652.patch
> Executing the following query will lock up the java process running solr.
> facet=true&facet.range=item_search__creation_event_facet_range_ftm&f.item_search__creation_event_facet_range_ftm.facet.range.start=100000000000.0&f.item_search__creation_event_facet_range_ftm.facet.range.end=100000086200.0&
> But decreasing the size of the min and max works fine
> facet=true&facet.range=item_search__creation_event_facet_range_ftm&f.item_search__creation_event_facet_range_ftm.facet.range.start=10000000000.0&f.item_search__creation_event_facet_range_ftm.facet.range.end=10000086200.0&
> And so does increasing the range gap
> facet=true&facet.range=item_search__creation_event_facet_range_ftm&f.item_search__creation_event_facet_range_ftm.facet.range.start=100000000000.0&f.item_search__creation_event_facet_range_ftm.facet.range.end=100000086200.0&

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