Likely Introduced by SOLR-17022: Support for glob patterns for fields in
Export handler, Stream handler and with SelectStream streaming expression
(#1996)

On Sat, Feb 24, 2024 at 10:51 AM Gus Heck <gus.h...@gmail.com> wrote:

> Well... awesome that you have identified and documented this. Not awesome
> that it happened of course. Definitely Jira worthy.
>
> On Fri, Feb 23, 2024 at 9:55 PM Ishan Chattopadhyaya <
> ichattopadhy...@gmail.com> wrote:
>
>> Awesome. Please feel free to open a JIRA issue about it.
>>
>> On Fri, 23 Feb, 2024, 5:03 pm Oleksandr Tkachuk, <sasha547...@gmail.com>
>> wrote:
>>
>> > We have ~170000 dynamic fields like abc_xxx, and requests like
>> > /select?fl=abc_* took ~180ms with 9.4.1, but after upgrading to 9.5.0
>> > such requests now take ~620ms to execute.
>> >
>> > It seems in 9.5.0
>> > org.apache.solr.common.util.GlobPatternUtil.matches
>> > used instead of
>> > org.apache.commons.io.FilenameUtils.wildcardMatch
>> > Which leads to huge losses in performance.
>> >
>> > Here is the call tree from the profiler:
>> > 9.4.1
>> > https://i.imgur.com/2gubfDr.png
>> >
>> > 9.5.0
>> > https://i.imgur.com/JIZ1E9u.png
>> >
>>
>
>
> --
> http://www.needhamsoftware.com (work)
> https://a.co/d/b2sZLD9 (my fantasy fiction book)
>


-- 
http://www.needhamsoftware.com (work)
https://a.co/d/b2sZLD9 (my fantasy fiction book)

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