We never bounce, but every few weeks we have an update, which certainly starts a new instance. We heavily use EOF. I never had the feeling that there is any memory leak, at least in our scenario.
> Am 06.08.2020 um 00:56 schrieb D Tim Cummings via Webobjects-dev > <webobjects-dev@lists.apple.com>: > > Daily for us. Once every few months we get an instance hanging and it is > clear at the start of the day that it has hung because it hasn’t restarted > overnight. > > Tim > >> On 6 Aug 2020, at 05:37, Lon Varscsak via Webobjects-dev >> <webobjects-dev@lists.apple.com <mailto:webobjects-dev@lists.apple.com>> >> wrote: >> >> 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 >> <webobjects-dev@lists.apple.com <mailto:webobjects-dev@lists.apple.com>> >> 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 >>> <webobjects-dev@lists.apple.com <mailto:webobjects-dev@lists.apple.com>> >>> wrote: >>> >>> I never bounce them - even with EOF ;) >>> >>>> On Aug 5, 2020, at 07:07, Jesse Tayler via Webobjects-dev >>>> <webobjects-dev@lists.apple.com <mailto:webobjects-dev@lists.apple.com>> >>>> 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 >>>>> <webobjects-dev@lists.apple.com <mailto:webobjects-dev@lists.apple.com>> >>>>> 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 >>>>>> <webobjects-dev@lists.apple.com <mailto:webobjects-dev@lists.apple.com>> >>>>>> 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 >>>>>>> <webobjects-dev@lists.apple.com >>>>>>> <mailto:webobjects-dev@lists.apple.com>> 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 :-) >>>>>>> _______________________________________________ >>>>>>> Do not post admin requests to the list. 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