Performance test on Jetty/HSQLDB with a single wiki between 9.11.8 and 10.10

Version 239.2 by Thomas Mortagne on 2018/11/30 14:58
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Environment

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  • Ubuntu 18.04 64b
  • Quad core i7-6700HQ
  • Oracle JDK 1.8.0_181 64b
  • Dumbbench 0.111
  • Yourkit 2018.04-b83
  • standard jetty+hsqldb
  • permdir in a SSD
  • jetty/hsqldb package
  • only main wiki
  • configuration
    • Admin user:
      • hidden documents enabled
  • import perf.xar

Most of response time statistics are made with Dumbbench, you can install it using cpan.
For example on Debian/Ubuntu:

$ sudo apt-get install cpanminus
$ sudo cpanm Module::Install
$ sudo cpanm Dumbbench

Unless specifically indicated otherwise all the tests are executed with a fully initialized instance (core extensions don't run anymore, SOLR index is fully up to date, etc.) and logged in with Admin user. Basically except for a few special tests we are using an instance that already been started and run until the proc is flat for some time.

Login with Admin user:

wget --save-cookies cookies.txt --post-data 'j_username=Admin&j_password=admin&j_rememberme=true' -O /dev/null -o /dev/null "http://127.0.0.1:8080/xwiki/bin/loginsubmit/XWiki/XWikiLogin?j_username=Admin&j_password=admin&j_rememberme=true"

Tests

Summary

TODO

"similar": difference is lower than 10%
"slightly": difference is lower than 20%

Note that most of the speed related values are an average of very moving results, a lot of things is happening during a HTTP request and it's far from stable duration (that's why 10% may sounds a lot for something called "similar" but the variable can go up and down around 5% sometimes so 10% average is really not that much of a clear win). Dumbbench based tests are executed several times and the lowest result is selected. 

Speed

ActionsDifference
Jetty startupsimilar
First accessnot existing page without UIsimilar
not existing page with UIsimilar
Reloadnot existing page without UIsimilar
not existing page with UIsimilar
empty page without UIsimilar
empty page with UIsimilar
Main.WebHome without UIsimilar
Main.WebHome with UIslightly slower
SOLRFull SOLR reindexsimilar
SOLR sync when index is emptysimilar
SOLR sync when there is nothing to doslightly slower
Result of search finding lots of resultssimilar
Result of search finding one resultslightly slower
RenderingPage with 1000 macros without UIslightly faster
Page with 1000 html macros without UIsimilar
Wiki creationFrom flavorsimilar
From templatesimilar

Memory

ActionsDifference
Heap Memory after jetty startup 
Heap Memory after full SOLR index 

Jetty startup

Unit: seconds

You get this from the log with the line looking like 2016-10-19 16:52:25.309:INFO:oejs.Server:main: Started @8434ms.

  • 9.11.7: 11
  • 10.8: 11

First access

First HTTP request after restarting Jetty.

First access to not existing page without UI

(/xwiki/bin/get/NoSpace/NoPage)

Unit: seconds

Firefox network statistics to load the root resource (image/js/css/etc. resources are not taken into account).

  • 9.11.7: 7.9
  • 10.8: 7.8

First access to not existing page with UI

(/xwiki/bin/view/NoSpace/NoPage)

Unit: seconds

Done by hand with a chronometer (image/js/css/etc. resources are not taken into account).

  • 9.11.7: 13
  • 10.8: 13

Reload

XWiki is doing nothing on background and everything is both in server and client cache already. Values are calculated using dumbbench (image/js/css/etc. resources are not taken into account).

Reload of not existing page without UI

dumbbench --float -p 0.1 -i 1000 -- wget -q -o /dev/null -O /dev/null --load-cookies cookies.txt "http://127.0.0.1:8080/xwiki/bin/get/NoSpace/NoPage"

Unit: milliseconds

  • 9.11.7: 5.8
  • 10.8: 5.9

Reload of not existing page with UI

dumbbench --float -p 0.1 -i 100 -- wget -q -o /dev/null -O /dev/null --load-cookies cookies.txt "http://127.0.0.1:8080/xwiki/bin/view/NoSpace/NoPage"

Unit: milliseconds

  • 9.11.7: 113
  • 10.8: 121

Reload of empty page without UI

dumbbench --float -p 0.1 -i 1000 -- wget -q -o /dev/null -O /dev/null --load-cookies cookies.txt "http://127.0.0.1:8080/xwiki/bin/get/EmptySpace/EmptyPage"

Unit: milliseconds

  • 9.11.7: 6
  • 10.8: 5.9

Reload of empty page with UI

dumbbench --float -p 0.1 -i 100 -- wget -q -o /dev/null -O /dev/null --load-cookies cookies.txt "http://127.0.0.1:8080/xwiki/bin/view/EmptySpace/EmptyPage"

Unit: milliseconds

  • 9.11.7: 118
  • 10.8: 124

Reload of Main.WebHome without UI

dumbbench --float -p 0.1 -i 1000 -- wget -q -o /dev/null -O /dev/null --load-cookies cookies.txt "http://127.0.0.1:8080/xwiki/bin/get/Main/WebHome"

Unit: milliseconds

  • 9.11.7: 8
  • 10.8: 8

Reload of Main.WebHome with UI

dumbbench --float -p 0.1 -i 100 -- wget -q -o /dev/null -O /dev/null --load-cookies cookies.txt "http://127.0.0.1:8080/xwiki/bin/view/Main/WebHome"

Unit: milliseconds

  • 9.11.7: 115
  • 10.8: 130

SOLR

Full SOLR reindex

Unit: seconds

Delete the data/solr folder, restart, load home page and calculate the time of activity of the SOLR index thread using Yourkit (Yourkit is slowing down a bit all that but what is important is the difference anyway).

  • 9.11.7: 140
  • 10.8: 140

SOLR sync

Only the thread determining what need to be indexed and not the actual indexing.

when index is empty

Unit: milliseconds

  • 9.11.7: 4438
  • 10.8: 5001

when there is nothing to do

Unit: milliseconds

  • 9.11.7: 1205
  • 10.8: 561

Search

XWiki is doing nothing on background and everything is both in server and client cache already. Values are calculated using dumbbench (image/js/css/etc. resources are not taken into account).

Unit: milliseconds

Result of search finding lots of results

Login with Admin user and make sure hidden document display is enabled.

dumbbench --float -p 0.1 -i 100 -- wget -q -o /dev/null -O /dev/null --load-cookies cookies.txt "http://127.0.0.1:8080/xwiki/bin/view/Main/Search?sort=score&sortOrder=desc&r=1&f_type=DOCUMENT&text=*"
  • 9.11.7: 217
  • 10.8: 233

Result of search finding one result

dumbbench --float -p 0.1 -i 100 -- wget -q -o /dev/null -O /dev/null --load-cookies cookies.txt "http://127.0.0.1:8080/xwiki/bin/view/Main/Search?sort=score&sortOrder=desc&r=1&f_type=DOCUMENT&text=name%3A1000Macros"
  • 9.11.7: 165
  • 10.8: 195

Rendering

Page with 1000 macros without UI

dumbbench --float -p 0.1 -i 100 -- wget -q -o /dev/null -O /dev/null --load-cookies cookies.txt "http://127.0.0.1:8080/xwiki/bin/get/Test/1000Macros"

Unit: milliseconds

  • 9.11.7: 80
  • 10.8: 71

Page with 1000 html macros without UI

dumbbench --float -p 0.1 -i 100 -- wget -q -o /dev/null -O /dev/null --load-cookies cookies.txt "http://127.0.0.1:8080/xwiki/bin/get/Test/1000HTMLMacros"

Unit: milliseconds

  • 9.11.7: 1061
  • 10.8: 1049

Wiki creation

Create a wiki template named "template" with the default flavor in it.

Unit: seconds

From flavor

Create the wiki test1 from default flavor and get the time spend from the job (<permdir>/jobs/status/wikicreation/createandinstall/test1/status.xml).

  • 9.11.7: 13
  • 10.8: 13

From template

Create the wiki test2 from wiki template and get the time spend from the job (<permdir>/jobs/status/wikicreation/createandinstall/test2/status.xml).

  • 9.11.7: 26
  • 10.8: 27

Heap Memory

Attach Yourkit to get the information.

Unit: MB

Heap Memory after jetty startup

Start jetty and wait until java is not doing anything on both (wait for potential initialization of various stuff like core extension cache, etc). Force garbage collector before looking at "used".

  • 9.11.7: 57 used, 543 allocated
  • 10.8: 71 used, 565 allocated

Heap Memory after full SOLR index

Delete the data/solr folder, restart, load home page then wait until nothing is happening in background. Force garbage collector before looking at "used".

Unit: MB

  • 9.11.7: 218 used, 815 allocated
  • 10.8: 224 used, 795 allocated
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