Ran some tests with Grinder and repeated a few times. Saw no big
difference, seems to be caused more by the VM warming up than by Wiki
settings.
Wiki on 4 core Linux, 500 pages, Client 4 Processes x 10 runs, each
run reads all pages, so 20000 requests.


Greetings, Juergen

Grinder script from here:
https://github.com/kvalle/grinder-bloggpost/blob/master/post.md#example-2---testing-multiple-urls


jspwiki.usePageCache = true
2017-09-01 18:07:30,189 INFO  esprimo : elapsed time is 96989 ms
2017-09-01 18:11:42,579 INFO  esprimo : elapsed time is 97293 ms
2017-09-01 18:24:39,773 INFO  esprimo : elapsed time is 98262 ms
2017-09-01 18:26:45,058 INFO  esprimo : elapsed time is 79536 ms
2017-09-01 18:28:34,470 INFO  esprimo : elapsed time is 80146 ms

jspwiki.usePageCache = false
2017-09-01 18:14:12,805 INFO  esprimo : elapsed time is 105324 ms
2017-09-01 18:16:53,699 INFO  esprimo : elapsed time is 88305 ms
2017-09-01 18:21:26,055 INFO  esprimo : elapsed time is 87401 ms

jspwiki.renderingManager.useCache = false
2017-09-01 18:31:58,457 INFO  esprimo : elapsed time is 94469 ms
2017-09-01 18:33:56,753 INFO  esprimo : elapsed time is 79983 ms

2017-08-30 17:05 GMT+02:00 Harry Metske <harry.met...@gmail.com>:
> It would surely be interesting to see what the performance difference would
> be.
>
> We could also ditch CachingProvider then probably?
> And remove some code complexity...
>
> Grtz.
> Harry
>
> Op 29 aug. 2017 12:07 a.m. schreef "Jürgen Weber" <juer...@jwi.de>:
>
>> Hi,
>>
>> ehcache-2.8.3.jar takes about a third of the JSPWiki.war size.
>>
>> Is it worth it?
>>
>> As for Filesystem page providers, the OS filesystem satisfies all caching
>> needs.
>>
>> ehCaching is only useful for DB or the Subversion providers, but who uses
>> them?
>>
>> As for caching rendered pages, this only works for non-dynamic pages
>> (i.e. no CurrentTimePlugin).
>>
>> And I doubt, that even for static wiki pages, caching has an advantage
>> on modern cpus.
>>
>> Greetings,
>> Jürgen
>>

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