• Environment
• Summary
• Jetty startup
• First access
  • First access to not existing page without UI (/xwiki/bin/get/NoSpace/NoPage).
  • First access to not existing page with UI (/xwiki/bin/get/NoSpace/NoPage).
• Reload
  • Reload of not existing page without UI (/xwiki/bin/get/NoSpace/NoPage)
  • Reload of not existing page with UI (/xwiki/bin/view/NoSpace/NoPage)
  • Reload of Main.WebHome with UI
  • Reload of Main.WebHome without UI
• SOLR
  • Full SOLR reindex
  • SOLR sync
    • when index is empty
    • when there is nothing to do
• Rendering
  • Page with 1000 macros without UI
• Memory
  • Memory after jetty startup
  • Memory after full SOLR index

Environment

• Ubuntu 14.04 64b
• Quad core i7
• Oracle JDK 1.8.0_20 64b
• standard jetty+hsqldb
• only main wiki

Summary

Jetty startup

 Same

Unit: seconds

Until end message is printer. Done by hand with a chronometer.

• 5.4.5: 12
• 6.2: 12

First access

First HTTP request after starting Jetty.

First access to not existing page without UI (/xwiki/bin/get/NoSpace/NoPage).

 Same

Unit: seconds

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

• 5.4.5 : 6
• 6.2 : 6

First access to not existing page with UI (/xwiki/bin/get/NoSpace/NoPage).

 3 times slower

Unit: seconds

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

• 5.4.5 : 6

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

• 6.2 : 18

Reload

XWiki is doing nothing on background and everything is both in server and client cache already. Firefox network statistics to load the root resource (image/js/css/etc. resources are not taken into account).

Reload of not existing page without UI (/xwiki/bin/get/NoSpace/NoPage)

 more that 2 times slower

Unit: milliseconds

• 5.4.5 : [10, 20]
• 6.2 : [30, 40]

Reload of not existing page with UI (/xwiki/bin/view/NoSpace/NoPage)

 2 times slower

Unit: milliseconds

• 5.4.5 : [100, 150]
• 6.2 : [200, 300]

Reload of Main.WebHome with UI

 2 times slower

Unit: milliseconds

• 5.4.5 : [250, 350]
• 6.2 : [400, 500]

Reload of Main.WebHome without UI

 more than 2 times slower

Unit: milliseconds

• 5.4.5 : [65, 90]
• 6.2 : [145, 190]

SOLR

Full SOLR reindex

 Same

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).

• 5.4.5 : 51
• 6.2 : 53

SOLR sync

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

when index is empty

 Same

Unit: seconds

• 5.4.5 : 1
• 6.2 : 1

when there is nothing to do

 Same

Unit: seconds

• 5.4.5 : < 1
• 6.2 : < 1

Rendering

Page with 1000 macros without UI

 almost 3 times quicker

1000 times {{id}} macro, one on each line.

Unit: milliseconds

• 5.4.5 : 9500
• 6.2 : 3500

Memory

Attach Yourkit to get the information.

Unit: MB

Memory after jetty startup

 use and keep less

Start jetty and wait until java is not doing anything on both (wait for potential initialization of various stuff like core extension cache, etc).

• 5.4.5 : used 178, allocated 515
• 6.2 : used 118, allocated 320

Memory after full SOLR index

 Use less but keep a bit more

Delete the data/solr folder, restart, load home page then wait until nothing is happening in background.

Unit: MB

• 5.4.5 : used 273, allocated 645
• 6.2 : used 344, allocated 503