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: Theodore Petrosky via Webobjects-dev <email@hidden>
- Date: Wed, 5 Aug 2020 12:08:48 -0400
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 <mailto: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 <mailto: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 <mailto: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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