Re: How often do you bounce your apps?
Re: How often do you bounce your apps?
- Subject: Re: How often do you bounce your apps?
- From: Lon Varscsak via Webobjects-dev <email@hidden>
- Date: Wed, 5 Aug 2020 12:37:01 -0700
We don't bounce our apps unless we do a release or if there's an instance
that hangs.
-Lon
On Wed, Aug 5, 2020 at 9:09 AM Theodore Petrosky via Webobjects-dev <
email@hidden> wrote:
> My apps upload pdfs. As Java keeps the temp file that was uploaded until
> the app that did the upload quits, I bounce my apps every night to clean
> things up.
>
> Ted
>
> On Aug 5, 2020, at 10:37 AM, Ken Anderson via Webobjects-dev <
> email@hidden> wrote:
>
> I never bounce them - even with EOF ;)
>
> On Aug 5, 2020, at 07:07, Jesse Tayler via Webobjects-dev <
> email@hidden> wrote:
>
> What do you use to keep an eye on memory? JAVA has such an old-school
> approach with the VM I use AWS and really don’t have any good automated
> visualizing report on how instances or JAVA is running under the hood.
>
> My apps seem to run for a long time as a few times my scheduler has failed
> and they racked up 10X or even 100X normal sessions, but who knows what the
> user patterns were really — I have had to increase my JAVA VM and set
> memory stuff from JavaMonitor to keep things sane.
>
>
>
> On Aug 5, 2020, at 3:35 AM, Jérémy DE ROYER via Webobjects-dev <
> email@hidden> wrote:
>
> Hi Aaron,
>
> (I’m still using EOF) and, for the main apps, I bounce every morning.
>
> After updates I sometimes forget to activate the schedules without any
> problems… but I’m used to do it in the pasts where I had a lot of meomry
> leaks so I still do it.
>
> Jérémy
>
> Le 5 août 2020 à 00:04, Hugi Thordarson via Webobjects-dev <
> email@hidden> a écrit :
>
> Never. Uptime on my apps is usually weeks or months.
>
> Cycled regularly when I used EOF though. That thing leaks.
>
> - hugi
>
>
>
> On 4 Aug 2020, at 21:31, Aaron Rosenzweig via Webobjects-dev <
> email@hidden> wrote:
>
> Personally I feel better bouncing my .woa instances daily. Even if it is a
> small site I have at least two instances and I gracefully cycle them on a
> daily schedule. I feel better knowing that it is fresh every morning for
> the new day.
>
> On the other hand, I could see an argument that a java app shouldn’t have
> any memory leaks. The garbage collector should get everything. If it cannot
> do so, then you’ve got something messed up in your app that you should
> track down and rectify. So maybe it’s better to just leave your .woa
> instances running forever until the next redeployment to get new features.
>
>
> What does the community do? Do you cycle often (daily, twice per day, or
> once per week) or do you leaving your instances running without a scheduled
> restart?
>
> Thanks to all those who chime in :-)
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