[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

[bugzilla-daemon]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Jonathan Druart  changed:

   What|Removed |Added

 Blocks||16579


Referenced Bugs:

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=16579
[Bug 16579] Use separate memcached namespace for caching koha-conf.xml
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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

[bugzilla-daemon]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Jonathan Druart  changed:

   What|Removed |Added

 Blocks||11921


Referenced Bugs:

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=11921
[Bug 11921] memcached configuration should be moved back to koha-conf.xml
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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Magnus Enger mag...@enger.priv.no changed:

   What|Removed |Added

 Blocks||11167

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Bug 6193 depends on bug 7119, which changed state.

Bug 7119 Summary: general code-cleaning, tidy/whitespace omnibus
http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=7119

   What|Removed |Added

 Status|Pushed to Master|RESOLVED
 Resolution|--- |FIXED

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Chris Cormack ch...@bigballofwax.co.nz changed:

   What|Removed |Added

 Status|Pushed to Stable|RESOLVED
 Resolution|--- |FIXED

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Bug 6193 depends on bug 6000, which changed state.

Bug 6000 Summary: Performance enhancements for C4::Context and C4::Languages
http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6000

   What|Removed |Added

 Status|Patch doesn't apply |RESOLVED
 Resolution|--- |WONTFIX

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Paul Poulain paul.poul...@biblibre.com changed:

   What|Removed |Added

 Status|Passed QA   |Pushed to Stable

--- Comment #25 from Paul Poulain paul.poul...@biblibre.com 2012-02-21 
12:17:48 UTC ---
Patch pushed

Note that the expiry_time set to 600 seconds has been moved at the right place
(in the memcached handler), this is an extension of bug 7432 that chris_c made
a few weeks ago.

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Paul Poulain paul.poul...@biblibre.com changed:

   What|Removed |Added

   Priority|PATCH-Sent (DO NOT USE) |P3
 Status|Signed Off  |Passed QA
Version|master  |rel_3_8

--- Comment #24 from Paul Poulain paul.poul...@biblibre.com 2012-02-20 
22:30:38 UTC ---
QA comment:
this patch switches all memoize calls to ENV / koha-httpd.conf.
code is OK, but does not apply to new/bug_6193 branch due to some fixes chris_c
made to expiry_time.
I'll have to made a tiny change to the patch to remove expiry_time from the
follow-up and move it to C4::Context and push this patch to master branch
directly

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Jared Camins-Esakov jcam...@cpbibliography.com changed:

   What|Removed |Added

   Attachment #6971|0   |1
is obsolete||

--- Comment #23 from Jared Camins-Esakov jcam...@cpbibliography.com 
2012-02-13 16:25:59 UTC ---
Created attachment 7630
  -- http://bugs.koha-community.org/bugzilla3/attachment.cgi?id=7630
Bug 6193 - Follow up: use SetEnv and remove memcached from koha-conf.xml

Signed-off-by: Jared Camins-Esakov jcam...@cpbibliography.com
Confirmed that memcached is still being used after the memcached configuration
in koha-conf.xml was removed, and the following two lines were added to
both virtual hosts in koha-httpd.conf:
SetEnv MEMCACHED_SERVERS 127.0.0.1:11211
SetEnv MEMCACHED_NAMESPACE KOHA

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Jared Camins-Esakov jcam...@cpbibliography.com changed:

   What|Removed |Added

 Status|In Discussion   |Signed Off

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Jared Camins-Esakov jcam...@cpbibliography.com changed:

   What|Removed |Added

 CC||jcam...@cpbibliography.com

--- Comment #22 from Jared Camins-Esakov jcam...@cpbibliography.com 
2012-02-12 19:36:21 UTC ---
I can't figure out how to test this follow-up which is supposed to change it so
that the system uses SetEnv. It doesn't have an example of the use of SetEnv.
All it does is remove the memcached configuration from koha-conf.xml. Help!

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Paul Poulain paul.poul...@biblibre.com changed:

   What|Removed |Added

 Status|Needs Signoff   |In Discussion
 Blocks||7248

--- Comment #21 from Paul Poulain paul.poul...@biblibre.com 2012-02-03 
09:12:55 UTC ---
linking this patch to 7248 and setting to in discussion, as they overlap

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Paul Poulain paul.poul...@biblibre.com changed:

   What|Removed |Added

 Depends on||6000

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

--- Comment #19 from Tomás Cohen Arazi tomasco...@gmail.com 2011-12-30 
12:25:25 UTC ---
Created attachment 6971
  -- http://bugs.koha-community.org/bugzilla3/attachment.cgi?id=6971
Follow up: use SetEnv and remove memcached from koha-conf.xml

I have a SetEnv-only version, but thought htis would be simple and clean.

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Paul Poulain paul.poul...@biblibre.com changed:

   What|Removed |Added

   Attachment #5559|0   |1
is obsolete||

--- Comment #20 from Paul Poulain paul.poul...@biblibre.com 2011-12-30 
13:22:35 UTC ---
Comment on attachment 5559
  -- http://bugs.koha-community.org/bugzilla3/attachment.cgi?id=5559
Bug 6193 - Use memcached cache koha-conf.xml configuration variables

This patch has been pushed. follow-up still to test  push

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Tomás Cohen Arazi tomasco...@gmail.com changed:

   What|Removed |Added

   Patch Status|Patch Pushed|Needs Signoff

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

--- Comment #16 from Paul Poulain paul.poul...@biblibre.com 2011-12-28 
16:51:25 UTC ---
NYTPROF testing:
before running NYTPROF, you must export variable  load at least one page (to
fill memcache)
This is done by (on your shell):
export MEMCACHED_SERVERS=127.0.0.1:11211
export MEMCACHED_NAMESPACE= (= whatever you've set in your Apache)

Then, load mainpage on firefox at least once (to store the config file in
memcache)

then, you can run:
perl -d:NYTProf mainpage.pl

The results show you don't call read_config_file sub anymore. The timing go
from 230ms to 2.56ms on my test computer:

$self = $memcached-get('kohaconf');
# spent 2.56ms making 2 calls to Cache::Memcached::get, avg 1.28ms/call

(side question: why the hell does my last benchmarks show no gain ?)

BEFORE THE PATCH:
Profile of mainpage.pl for 2.12s (of 2.74s), executing 197477 statements and
59679 subroutine calls in 279 source files and 80 string evals.
AFTER THE PATCH:
Profile of mainpage.pl for 1.70s (of 2.14s), executing 137323 statements and
33090 subroutine calls in 273 source files and 79 string evals.

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

--- Comment #17 from Paul Poulain paul.poul...@biblibre.com 2011-12-28 
17:10:28 UTC ---
QA question:
this patch requires that the memcache parameters are in Apache SetEnv
variables. BUT they are still in the Koha config file.
It means we have them in 2 places, and that's wrong.

tcohen, did I miss something ? Why haven't you updated memcache to use only
SetEnv everywhere ?

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Paul Poulain paul.poul...@biblibre.com changed:

   What|Removed |Added

   Patch Status|Passed QA   |Patch Pushed

--- Comment #15 from Paul Poulain paul.poul...@biblibre.com 2011-12-27 
16:18:35 UTC ---
patch pushed, please test

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

M. de Rooy m.de.r...@rijksmuseum.nl changed:

   What|Removed |Added

 CC||m.de.r...@rijksmuseum.nl
  QAContact|koha-b...@lists.koha-commun |m.de.r...@rijksmuseum.nl
   |ity.org |

--- Comment #14 from M. de Rooy m.de.r...@rijksmuseum.nl 2011-12-19 09:35:30 
UTC ---
QA Comment:
Patch has been tested and signed off by two individuals.
Code looks good and promises performance increase when (optionally) using
memcached.
Marking as Passed QA.

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

M. de Rooy m.de.r...@rijksmuseum.nl changed:

   What|Removed |Added

   Patch Status|Signed Off  |Passed QA

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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Paul Poulain paul.poul...@biblibre.com changed:

   What|Removed |Added

 CC||paul.poul...@biblibre.com

--- Comment #11 from Paul Poulain paul.poul...@biblibre.com 2011-11-25 
17:55:30 UTC ---
Some performance tests:
(using an updated version of benchmark_circulation i'll push soon)

WITHOUT THIS PATCH:
misc/load_testing/benchmark_circulation.pl
http://koha-community:8080/cgi-bin/koha/ test test
Authentication successful
--
Koha circulation benchmarking utility
--
Benchmarking with 20 occurences of each operation and 30 concurrent sessions 
Load testing staff client dashboard page27460ms0.728332119446468
pages/sec
Load testing catalog detail page29092ms0.687474219716761 biblios/sec
Load testing patron detail page32413ms0.617036374294265 borrowers/sec
Load testing patron search page60148ms0.665026268537607 borrowers/sec

WITH THIS PATCH:
misc/load_testing/benchmark_circulation.pl
http://koha-community:8080/cgi-bin/koha/ test test
Authentication successful
--
Koha circulation benchmarking utility
--
Benchmarking with 20 occurences of each operation and 30 concurrent sessions 
Load testing staff client dashboard page26654ms0.750356419299167
pages/sec
Load testing catalog detail page25688ms0.77857365306758 biblios/sec
Load testing patron detail page29681ms0.67383174421347 borrowers/sec
Load testing patron search page56895ms0.703049477106951 borrowers/sec

= the gain is not huge, but real. This is due to the fact that the decoding of
the XML is replaced by the time for Koha to reach memcache server  get an
answer.
We should not miss that memcache is more dedicated to removing load on mySQL
than gaining speed.
I also have a patch from Ian that change the conf into a YAML file. It seems
decoding a YAML is very fast. I'll run the tests as well, attach ian patch here
and report the results.
Thus we will see which patch give the best speed and decide which we can/should
apply.

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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--- Comment #12 from Tomás Cohen Arazi tomasco...@gmail.com 2011-11-25 
18:04:17 UTC ---
I heard about using YAML and agree it would be a good improvement. Just would
like to say that in our production sites the main concern was filesystem I/O,
as everything is stored in a SAN, and have multiple sites on the same virtual
VPS.

I also added in #c3 that i find more suitable the way memcached is handled in
C4::Context and posibbly reused across the Koha modules, meaning having a
single memcached object, and ismemcached variable to test.

Regards
To+

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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Chris Cormack ch...@bigballofwax.co.nz changed:

   What|Removed |Added

 CC||ch...@bigballofwax.co.nz

--- Comment #13 from Chris Cormack ch...@bigballofwax.co.nz 2011-11-25 
18:06:52 UTC ---
memcached is about scalability, In my opinion even if YAML is faster, both
should be applied.

People who need to scale up, can switch on the memcaching that way.

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Paul Poulain paul.poul...@biblibre.com changed:

   What|Removed |Added

 Depends on||7119

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Paul Poulain paul.poul...@biblibre.com changed:

   What|Removed |Added

Version|Rel_3_8 |master

--- Comment #10 from Paul Poulain paul.poul...@biblibre.com 2011-10-25 
15:05:46 UTC ---
Bug versionned for master. entries will be made against rel_3_8 once the patch
has been applied (see thread about that on koha-devel yesterday)

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Paul Poulain paul.poul...@biblibre.com changed:

   What|Removed |Added

Version|master  |Rel_3_8

--- Comment #9 from Paul Poulain paul.poul...@biblibre.com 2011-10-24 
11:40:13 UTC ---
Updating version : This ENH could be in Koha 3.8

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

MJ Ray (software.coop) m...@ttllp.co.uk changed:

   What|Removed |Added

   Attachment #5045|0   |1
is obsolete||
   Attachment #5537|0   |1
is obsolete||

--- Comment #8 from MJ Ray (software.coop) m...@ttllp.co.uk 2011-09-23 
10:35:25 UTC ---
Created attachment 5559
  -- http://bugs.koha-community.org/bugzilla3/attachment.cgi?id=5559
Bug 6193 - Use memcached cache koha-conf.xml configuration variables

Basically I add some code to Context.pm so it stores koha-conf.xml config vars
in memcached server. It is arguable whether this is an improvement or not,
tests are needed to conclude something about this.

Error handling was an issue with Cache::Memcached, I tried to do it the
simplest I could.

Note: As it was pointless to read the xml file to get the memcached
server info for accessing them for retreiving the info in the koha-conf.xml
file... I passed those values through apache's SetEnv. These variables
are set acordingly through the install scripts and commented out if koha
was setup not to use it.

Bug 6193 - Properly comment the code

Required by slef.

Regards
To+

Signed-off-by: Federico Rinaudo frina...@infocpt.com.ar
Signed-off-by: MJ Ray m...@phonecoop.coop

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Federico Rinaudo frina...@infocpt.com.ar changed:

   What|Removed |Added

 CC||frina...@infocpt.com.ar
   Patch Status|Needs Signoff   |Signed Off

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

--- Comment #7 from Federico Rinaudo frina...@infocpt.com.ar 2011-09-22 
13:04:39 UTC ---
Created attachment 5537
  -- http://bugs.koha-community.org/bugzilla3/attachment.cgi?id=5537
Signed-off patch

I tested this on a fresh install. It worked as expected with memcached running,
and stopped too.

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

--- Comment #6 from Tomás Cohen Arazi tomasco...@gmail.com 2011-09-20 
20:04:53 UTC ---
(In reply to comment #5)
 I am a bit confused that this is set to 'Signed off' - I can't find a comment
 or signed-off patch. I am resetting it to 'Needs Signoff' so that it does not
 get missed. - Plz change back if I missed something.

Kf, don't know what to say. Maybe the biblibre folks forgot to send the patch.
It's a pity.

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Katrin Fischer katrin.fisc...@bsz-bw.de changed:

   What|Removed |Added

 CC||katrin.fisc...@bsz-bw.de
   Patch Status|Signed Off  |Needs Signoff

--- Comment #5 from Katrin Fischer katrin.fisc...@bsz-bw.de 2011-09-19 
12:37:21 UTC ---
I am a bit confused that this is set to 'Signed off' - I can't find a comment
or signed-off patch. I am resetting it to 'Needs Signoff' so that it does not
get missed. - Plz change back if I missed something.

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

dev_patc...@biblibre.com changed:

   What|Removed |Added

 CC||dev_patc...@biblibre.com
   Patch Status|Needs Signoff   |Signed Off

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Tomás Cohen Arazi tomasco...@gmail.com changed:

   What|Removed |Added

   Attachment #3927|0   |1
is obsolete||

--- Comment #4 from Tomás Cohen Arazi tomasco...@gmail.com 2011-08-17 
13:20:13 UTC ---
Created attachment 5045
  -- http://bugs.koha-community.org/bugzilla3/attachment.cgi?id=5045
Simplified patch, comments added (for slef)

Just commented the 'memcached stuff' part of the code.

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

--- Comment #3 from Tomás Cohen Arazi tomasco...@gmail.com 2011-07-07 
17:44:39 UTC ---
I'd like to state FRT that I find interesting the use of
C4::Context-ismemcached and C4::Context-memcached outside C4::Context, as
1) C4::Context is used everywhere memcached is used
2) It will simplify code in those places:

Biblio.pm:

my $servers = C4::Context-config('memcached_servers');
if ($servers) {
require Memoize::Memcached;
import Memoize::Memcached qw(memoize_memcached);

my $memcached = {
servers= [$servers],
key_prefix = C4::Context-config('memcached_namespace') || 'koha',
};
memoize_memcached( 'GetMarcStructure', memcached = $memcached,
expire_time = 600 );#cache for 10 minutes
}

To:

if (C4::Context-ismemcached) {
require Memoize::Memcached;
import Memoize::Memcached qw(memoize_memcached);
memoize_memcached( 'GetMarcStructure',
memcached = C4::Context-memcached,
expire_time = 600 );#cache for 10 minutes
}

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

[bugzilla-daemon]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Tomás Cohen Arazi tomasco...@gmail.com changed:

   What|Removed |Added

 Status|NEW |ASSIGNED

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Tomás Cohen Arazi tomasco...@gmail.com changed:

   What|Removed |Added

  Change sponsored?|--- |Sponsored
 AssignedTo|gmcha...@gmail.com  |tomasco...@gmail.com

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

--- Comment #1 from Tomás Cohen Arazi tomasco...@gmail.com 2011-04-14 
17:52:40 UTC ---
Created attachment 3926
  -- http://bugs.koha-community.org/bugzilla3/attachment.cgi?id=3926
Initial patch

This patch is not intended to make it into master right now, but for testing
performance gains. It could serve as a basis for future work if found worth the
trouble.

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Tomás Cohen Arazi tomasco...@gmail.com changed:

   What|Removed |Added

   Priority|P5  |PATCH-Sent

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[Koha-bugs] [Bug 6193] Use memcached cache koha-conf.xml configuration variables

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http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6193

Tomás Cohen Arazi tomasco...@gmail.com changed:

   What|Removed |Added

   Patch Status|--- |Needs Signoff

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