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: Jesse Tayler via Webobjects-dev <email@hidden>
- Date: Wed, 5 Aug 2020 07:07:23 -0400
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 <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> 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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