[jboss-jira] [JBoss JIRA] (WFWIP-276) Boot time of application built via S2I is much longer than in before-Galleon times

[Jean Francois Denise (Jira)]

    [ https://issues.jboss.org/browse/WFWIP-276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13816807#comment-13816807 ] 

Jean Francois Denise commented on WFWIP-276:
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[~jbliznak], in order to preserve the possible XML tags that could be present in the config. Could you try by setting CONFIG_ADJUSTMENT_MODE=cli and see the impact on your numbers? Even without drivers added, we have CLI operations sent to the server at boot time.

> Boot time of application built via S2I is much longer than in before-Galleon times
> ----------------------------------------------------------------------------------
>
>                 Key: WFWIP-276
>                 URL: https://issues.jboss.org/browse/WFWIP-276
>             Project: WildFly WIP
>          Issue Type: Bug
>          Components: OpenShift
>            Reporter: Jan Blizňák
>            Assignee: Jean Francois Denise
>            Priority: Critical
>         Attachments: test-app.zip
>
>
> As a consequence of Galleon RFEs EAP7-891 and mainly EAP7-1216 there is big difference in pod with EAP application start up time which requires S2I configuration.
> This is an overview of quick comparison of average boot times of the application pods of the attached test app (we are not interested in build/deploy pod times etc):
> ||17.0-6||pod time||EAP boot||config time
> |#1	| 8283|6128|2155
> |#2	| 9446|7548|1898
> |#3	| 8767|6871|	1896
> |#4	| 8568|6272|	2296
> |#5	| 8000 |6362|1638
> ||average ||8613ms||6636ms||1977ms
> ||18.0-7||pod time||EAP boot||config time
> |#1             |13769|5716|8053
> |#2             |13362|5952|7410
> |#3             |14261|6093|8168
> |#4             |14322|6135|8187
> |#5             |13921|6326|7595
> ||average||13927ms||6044ms||7883ms
> pod time = time from the pod start until EAP is fully booted (log contains {{started in ..}})
> EAP boot = time of boot EAP itself ==  {{started in ..}}
> config time = the difference of previou timess = anything before EAP boot begins
> Again we are talking here about the time needed for prepared application image to full start. We can clearly see the EAP boot times are comparable between 17 and 18 images but the configs times are almost 4 times longer with CD18 images. 
> This is very unfortunate as in my point of view the pod boot time is the most critical time for our users - they would typically prepare the app images only once in a time but their application can scale up and down many times during its uptime.
> The cause of this that when S2I is needed with image 18.0+ the part of the configuration that was previously done during S2I build just once is now processed on *each* pod start.



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