Hi,
-Original Message-
From: Mark Thomas
Sent: Thursday, October 10, 2019 3:54 AM
To: users@tomcat.apache.org
Subject: Re: Performance test with Tomcat 9 shows increased cpu/disk usage
because of repeated opening/closing of jars in WEB-INF/lib
On 09/10/2019 22:58, Rhuberg,Anthony wrote
imply that.
-Original Message-
From: john.e.gr...@wellsfargo.com.INVALID
Sent: Thursday, October 10, 2019 6:54 PM
To: users@tomcat.apache.org
Subject: RE: Performance test with Tomcat 9 shows increased cpu/disk usage
because of repeated opening/closing of jars in WEB-INF/lib
Tony
Tony,
> -Original Message-
> From: Rhuberg,Anthony
> Sent: Thursday, October 10, 2019 5:22 PM
> To: Tomcat Users List
> Subject: RE: Performance test with Tomcat 9 shows increased cpu/disk usage
> because of repeated opening/closing of jars in WEB-INF/lib
5:32 PM
> To: users@tomcat.apache.org
> Subject: Re: Performance test with Tomcat 9 shows increased cpu/disk
> usage because of repeated opening/closing of jars in WEB-INF/lib
>
> On 09/10/2019 21:03, Rhuberg,Anthony wrote:
>> This seems to alleviate t
were closed was low enough that the
performance impact was not noticed.
Mark
>
> Thanks,
> Tony
>
> -Original Message-
> From: Mark Thomas
> Sent: Wednesday, October 09, 2019 5:32 PM
> To: users@tomcat.apache.org
> Subject: Re: Performance test with Tomcat 9
; Subject: Re: Performance test with Tomcat 9 shows increased cpu/disk
> usage because of repeated opening/closing of jars in WEB-INF/lib
>
> On 09/10/2019 20:08, Rhuberg,Anthony wrote:
> > On the other thread: Is this genuine class loading (in which case
> > the response belo
: Performance test with Tomcat 9 shows increased cpu/disk usage
because of repeated opening/closing of jars in WEB-INF/lib
On 09/10/2019 21:03, Rhuberg,Anthony wrote:
> This seems to alleviate the issue... in context.xml (sc-test#sc.xml)
> swallowOutput="true" backgroundProcessorDelay=&q
On 09/10/2019 21:03, Rhuberg,Anthony wrote:
> This seems to alleviate the issue... in context.xml (sc-test#sc.xml)
> backgroundProcessorDelay="90">
>
> Not sure if this is the context reload trigger... i.e. the
> webappLoader.backgroundProcess method is triggered every 90 seconds...
It isn't. I
d probably address that although, arguably, the better
> solution in that case would be to fix the app to load it once and cache it.
>
> > -Original Message-----
> > From: Rhuberg,Anthony
> > Sent: Wednesday, October 09, 2019 2:53 PM
> > To: Tomcat Users List
> &
, 2019 3:56 PM
To: users@tomcat.apache.org
Subject: Re: Performance test with Tomcat 9 shows increased cpu/disk usage
because of repeated opening/closing of jars in WEB-INF/lib
On 09/10/2019 20:08, Rhuberg,Anthony wrote:
> On the other thread: Is this genuine class loading (in which case
ther static content). Would this affect the reload of the jar files?
-Original Message-
From: Rhuberg,Anthony
Sent: Wednesday, October 09, 2019 2:53 PM
To: Tomcat Users List
Subject: RE: Performance test with Tomcat 9 shows increased cpu/disk usage
because of repeated opening/closing of jars
cache it.
> -Original Message-
> From: Rhuberg,Anthony
> Sent: Wednesday, October 09, 2019 2:53 PM
> To: Tomcat Users List
> Subject: RE: Performance test with Tomcat 9 shows increased cpu/disk usage
> because of repeated opening/closing of jars in WEB-INF/lib
>
> Ju
, 2019 2:53 PM
To: Tomcat Users List
Subject: RE: Performance test with Tomcat 9 shows increased cpu/disk usage
because of repeated opening/closing of jars in WEB-INF/lib
Just noticed another thread on this topic: RE: Tomcat discards and reloads the
jar files from the webapps folder.
Setting
Just noticed another thread on this topic: RE: Tomcat discards and reloads the
jar files from the webapps folder.
Setting the Engine attribute backgroundProcessorDelay to 90s does reduce the
open/close cycle of the jars.
The other thread also mentioned a potential configuration to keep the jars
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