[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=15262

Agnes Rivers-Moore  changed:

   What|Removed |Added

 CC|a...@hanover.ca  |

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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=15262

Eric Bégin  changed:

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 CC|francois.charbonnier@inlibr |
   |o.com   |

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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=15262
Bug 15262 depends on bug 15264, which changed state.

Bug 15264 Summary: Performance loss in OPAC search introduced by bug 11842
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=15264

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |INVALID

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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=15262

Fridolin Somers  changed:

   What|Removed |Added

 Depends on||31021


Referenced Bugs:

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=31021
[Bug 31021] Part of C4::Search::searchResults() is only for staff interface
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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=15262
Bug 15262 depends on bug 28371, which changed state.

Bug 28371 Summary: Improve performance of XSLTParse4Display
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=28371

   What|Removed |Added

 Status|Needs Signoff   |RESOLVED
 Resolution|--- |WONTFIX

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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=15262
Bug 15262 depends on bug 23035, which changed state.

Bug 23035 Summary: Intranet search is slow if thousands of items are in the 
biblios shown in the search results
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=23035

   What|Removed |Added

 Status|Failed QA   |RESOLVED
 Resolution|--- |DUPLICATE

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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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Nick Clemens  changed:

   What|Removed |Added

 Depends on||28371


Referenced Bugs:

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=28371
[Bug 28371] Improve performance of XSLTParse4Display
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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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Nick Clemens  changed:

   What|Removed |Added

 Depends on||28373


Referenced Bugs:

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=28373
[Bug 28373] Items fields not used in default XSLT
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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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Jonathan Druart  changed:

   What|Removed |Added

 Depends on||23035, 23414, 24027


Referenced Bugs:

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=23035
[Bug 23035] Intranet search is slow if thousands of items are in the biblios
shown in the search results
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=23414
[Bug 23414] Improve performance of C4/XSLT/buildKohaItemsNamespace
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=24027
[Bug 24027] Adding multiple items is slow
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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=15262

Jonathan Druart  changed:

   What|Removed |Added

 Depends on|24027   |
   See Also||https://bugs.koha-community
   ||.org/bugzilla3/show_bug.cgi
   ||?id=24027


Referenced Bugs:

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=24027
[Bug 24027] Adding multiple items is slow
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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=15262

--- Comment #8 from David Cook  ---
(In reply to Mirko Tietgen from comment #6)
> (13:52:14) tcohen: so, put search results in Koha::MetadataRecord object
> (13:52:42) tcohen: and pass them through a pipe of Koha::Filter-s using the
> Koha::RecordProcessor thing
> (13:53:09) tcohen: that's from a perspective in which we re-organize the code
> (13:53:29) tcohen: and start abstracting things a bit for a future
> multi-metadata schema support
...
> (13:55:58) tcohen: if you think about it, we are serializing/deserializing 
> things more than 3 times

Exactly.

We're doing too much work processing search results. We need to streamline this
process to avoid repeated handling, unnecessary lookups, etc. 

Besides getting performance improvements, we'll also gain some future-proofing
by abstracting away from MARC based search result processing.

I'd argue that we should be retrieving the bare minimum from Zebra and then
doing the minimal amount of transforming possible. Failing that, if we have to
fetch whole MARC records from Zebra, let's set up an optimized pipeline.

I reckon that there's no *technical* reason that search shouldn't be fast in
Koha.

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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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--- Comment #7 from David Cook  ---
(In reply to Blou from comment #4)
> At this moment, hardware requirements to make a search feel "instantaneous"
> are unrealistic to most libraries.

I heartily disagree. Zebra is actually extremely fast. Often instantly fast.
It's Koha that makes search slow, and we have the power to change that.

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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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George Williams (NEKLS)  changed:

   What|Removed |Added

 CC|gwilli...@nekls.org |geo...@nekls.org

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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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Jacek Ablewicz  changed:

   What|Removed |Added

 Depends on||16734


Referenced Bugs:

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=16734
[Bug 16734] getLanguages() in opac-search.pl should be called only if needed
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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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Agnes Rivers-Moore  changed:

   What|Removed |Added

 CC||a...@hanover.ca

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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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Marjorie Barry-Vila  changed:

   What|Removed |Added

 CC||marjorie.barry-v...@ccsr.qc
   ||.ca

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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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Heather Braum  changed:

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 CC||hbr...@nekls.org

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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=15262

Jonathan Druart  changed:

   What|Removed |Added

 Blocks||15342
 CC||jonathan.dru...@bugs.koha-c
   ||ommunity.org
   See Also|http://bugs.koha-community. |
   |org/bugzilla3/show_bug.cgi? |
   |id=15342|


Referenced Bugs:

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=15342
[Bug 15342] Performance 3.22 - Omnibus
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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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Jacek Ablewicz  changed:

   What|Removed |Added

 Depends on||16041


Referenced Bugs:

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=16041
[Bug 16041] StaffAuthorisedValueImages & AuthorisedValueImages preferences -
impact on search performace
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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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Jacek Ablewicz  changed:

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 CC||a...@biblos.pk.edu.pl

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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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Marc Véron  changed:

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 CC||ve...@veron.ch

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Mirko Tietgen  changed:

   What|Removed |Added

   See Also||http://bugs.koha-community.
   ||org/bugzilla3/show_bug.cgi?
   ||id=15342

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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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David Cook  changed:

   What|Removed |Added

 CC||dc...@prosentient.com.au

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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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--- Comment #1 from Mirko Tietgen  ---
Bug 11842 introduced problematic cache flushing behaviour.

The cache is deleted all the time, eg. the framework structure is
fetched again and again for every single result in a search (related
to 2. below)

Reverting the patch leads to a significant increase in search speed (building
the results page really), supposedly because the MARC structure is not fetched
for every single result anymore.

The MARC structure needs to be deleted from cache only after a framework is
changed, not while searching the OPAC.

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Mirko Tietgen  changed:

   What|Removed |Added

URL||http://wiki.koha-community.
   ||org/wiki/Benchmark_for_3.22

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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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--- Comment #3 from Mirko Tietgen  ---
"Benchmarks for 3.22" in the Koha wiki:
http://wiki.koha-community.org/wiki/Benchmark_for_3.22

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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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Marcel de Rooy  changed:

   What|Removed |Added

 CC||m.de.r...@rijksmuseum.nl

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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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--- Comment #2 from Mirko Tietgen  ---
Search without XSLT is much faster than without.
Search with a single Result is faster now than search with multiple results.

A lot of time is lost when building the results page with XSLT

For every single result in a search, a lot of things are repeated
all over again. A huge bunch of sysprefs is fetched every time, even
though it is not likely they will change while fetching all results
of one search query. GetMarcStructure seems to be a problem (see 1.
above) but others may be too.
Bug 11051 seems related.

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Mirko Tietgen  changed:

   What|Removed |Added

   See Also||http://bugs.koha-community.
   ||org/bugzilla3/show_bug.cgi?
   ||id=15263

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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

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Mirko Tietgen  changed:

   What|Removed |Added

 Depends on||15263
   See Also|http://bugs.koha-community. |
   |org/bugzilla3/show_bug.cgi? |
   |id=15263|
   Assignee|gmcha...@gmail.com  |mi...@abunchofthings.net

--- Comment #5 from Mirko Tietgen  ---
With the patch on bug 15263 and reverting bug 11842, I can reduce search time
on a Raspberry Pi from 30 to 18 seconds for 1000 hits.


Referenced Bugs:

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=15263
[Bug 15263] XSLT display fetches sysprefs for every result processed
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Blou  changed:

   What|Removed |Added

 CC||anthony.laque...@ccsr.qc.ca
   ||, eric.be...@inlibro.com,
   ||francois.charbonnier@inlibr
   ||o.com,
   ||philippe.blo...@inlibro.com
   Priority|P5 - low|P2

--- Comment #4 from Blou  ---
Allow me to go on a limb here, and dare to raise the importance of this generic
"feature".

At this moment, hardware requirements to make a search feel "instantaneous" are
unrealistic to most libraries.  It shoudn't be and I think it would be a worthy
goal to improve on the current benchmarks by x10.

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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=15262

Mirko Tietgen  changed:

   What|Removed |Added

 Depends on||15264


Referenced Bugs:

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=15264
[Bug 15264] Performance loss in OPAC search introduced by bug 11842
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[Koha-bugs] [Bug 15262] Run Koha Run. Koha search should be fast again.

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=15262

--- Comment #6 from Mirko Tietgen  ---
In the long run, we probably should change things more deeply. Related part of
a dicussion from IRC:

(13:51:58) tcohen: drojf: my plan with
https://github.com/tomascohen/koha/tree/xslt_filtering was to avoid useless
filtering of the retrieved records
(13:52:14) tcohen: so, put search results in Koha::MetadataRecord object
(13:52:42) tcohen: and pass them through a pipe of Koha::Filter-s using the
Koha::RecordProcessor thing
(13:53:09) tcohen: that's from a perspective in which we re-organize the code
(13:53:29) tcohen: and start abstracting things a bit for a future
multi-metadata schema support
(13:54:10) tcohen: regarding zebra, in 3.16 we made DOM setups exchange XML
between Perl and Zebra
(13:54:15) tcohen: both for indexing (which is OK)
(13:54:34) tcohen: and for retrieval (which is OK, but seems really under
performant in the current state of the way we do things)
(13:55:20) tcohen: so my opinion regarding the syspref retrieval for each
record is that we should optimize that in a short term
(13:55:35) tcohen: but move to Koha::Fitler ofr the mid/long-term
(13:55:58) tcohen: if you think about it, we are serializing/deserializing
things more than 3 times
(13:56:17) tcohen: and this might get worse with JSON data from ES
(13:56:36) tcohen: get JSON data => have filters for JSON data => period
(13:56:39) drojf: that sounds very good to me
(13:56:51) tcohen: get MARC(XML) data => have filters for MARC(XML) data =>
period
(13:57:26) tcohen: also, with the current indexer, we shouldn't re-calculate
loan status, etc for rendering
(13:57:33) tcohen: that information is already in zebra
(13:57:35) tcohen: or it should
(13:58:13) tcohen: it is cheaper to prepare the data so zebra has it, than
calculate it on rendering
(13:58:31) tcohen: because de indexing process is asynchronous 
(13:58:40) tcohen: and is queued, etc

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