[jboss-jira] [JBoss JIRA] Commented: (JBAS-8078) HornetQ Initialization Takes 25% of AS Boot Time

[Tim Fox (JIRA)]

    [ https://jira.jboss.org/browse/JBAS-8078?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12534428#action_12534428 ] 

Tim Fox commented on JBAS-8078:
-------------------------------

The first time you boot HQ it will take longer, since it has to create the journal files.

On subsequent boots it will be faster since it just has to open them.

You can reduce the number of initial files in the config (see user manual) if you want to speed this up.

> HornetQ Initialization Takes 25% of AS Boot Time
> ------------------------------------------------
>
>                 Key: JBAS-8078
>                 URL: https://jira.jboss.org/browse/JBAS-8078
>             Project: JBoss Application Server
>          Issue Type: Task
>      Security Level: Public(Everyone can see) 
>          Components: JMS (HornetQ)
>    Affects Versions: 6.0.0.M4
>            Reporter: Richard Opalka
>            Assignee: Tim Fox
>             Fix For: 6.0.0.Final
>
>         Attachments: AS-trunk-boot-2010-06-08.png, JBossAS601Boot-20100608.jps
>
>
> This is the umbrella JIRA for all the future HornetQ boot time optimization fixes.
> I was measuring AS boot times today. Here are the results.
> -----------------------
> Test Configuration
> -----------------------
>  * AS TRUNK (https://svn.jboss.org/repos/jbossas/trunk -r 105792 default configuration)
>  * Sun JDK6 (java version "1.6.0_20")
>  * 64 Bit Linux OS (Linux opalka 2.6.32.12-115.fc12.x86_64 #1 SMP Fri Apr 30 19:46:25 UTC 2010 x86_64 x86_64 x86_64 GNU/Linux)
>  * Intel Processor (Intel(R) Core(TM)2 CPU T7400  @ 2.16GHz)
> -----------------------
> AS trunk (with HornetQ) boot times:
> -----------------------
> Round 01  -  25s:723ms
> Round 02  -  24s:260ms
> Round 03  -  24s:626ms
> Round 04  -  25s:345ms
> Round 05  -  24s:510ms
> Round 06  -  24s:458ms
> Round 07  -  24s:904ms
> Round 08  -  24s:885ms
> Round 09  -  24s:367ms
> Round 10  -  24s:817ms
> Round 11  -  24s:815ms
> Round 12  -  25s:174ms
> Round 13  -  24s:758ms
> Round 14  -  25s:260ms
> Round 15  -  24s:692ms
> -----------------------
> Average   -  24s:840ms
> -----------------------
> When I removed:
> $JBOSS_HOME/server/default/deploy/hornetq/
> $JBOSS_HOME/server/default/deployers/hornetq-deployers-jboss-beans.xml
> -----------------------
> AS trunk (without HornetQ) boot times:
> -----------------------
> Round 01  -  18s:379ms
> Round 02  -  18s:399ms
> Round 03  -  18s:837ms
> Round 04  -  19s:274ms
> Round 05  -  18s:506ms
> Round 06  -  19s:102ms
> Round 07  -  18s:981ms
> Round 08  -  19s:138ms
> Round 09  -  18s:565ms
> Round 10  -  18s:439ms
> Round 11  -  18s:586ms
> Round 12  -  18s:330ms
> Round 13  -  18s:855ms
> Round 14  -  18s:545ms
> Round 15  -  19s:210ms
> -----------------------
> Average   -  18s:743ms
> -----------------------
> -----------
> Conclusion:
> -----------
> 24s:840ms = 100 % AS trunk boot
> 18s:743ms ~  75 % AS trunk without HornetQ boot
> ---
>  6s:097ms ~  25 % HornetQ boot
> ---

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