Re: wotaskd/Monitor eating lot of RAM on Linux?
Re: wotaskd/Monitor eating lot of RAM on Linux?
- Subject: Re: wotaskd/Monitor eating lot of RAM on Linux?
- From: Anjo Krank <email@hidden>
- Date: Tue, 22 Jun 2010 20:40:29 +0200
> So look like for whatever reason, Wonder's wotaskd eats almost double the RAM than the vanilla one :-/
Which, in the grand scheme of things, is still not a lot? It's not like you have more than one per server.
Cheers, Anjo
Am 22.06.2010 um 18:51 schrieb Pascal Robert:
>
> Le 10-06-22 à 12:13, Aurélien Minet a écrit :
>
>> Hi Pascal
>>
>> On 06/22/2010 03:49 PM, Pascal Robert wrote:
>>> We are migrating our apps from OS X Server 10.4 to CentOS Linux
>>> (x86_64), and everything is working fine. But I did notice something :
>>> wotaskd and JavaMonitor are eating a lot more RAM. On the OS X box, they
>>> take 41 MB each, on Linux they take up to 140 MB each :-/
>>>
>>> The JVM on OS X is :
>>>
>>> Java HotSpot(TM) Server VM (build 1.5.0_13-121, mixed mode)
>>>
>>> On Linux :
>>>
>>> Java HotSpot(TM) 64-Bit Server VM (build 16.3-b01, mixed mode)
>>>
>>> So both are running the Server VM, the only different is Java 6 vs 5,
>>> and 32 bits vs 64 bits. Still, I'm a bit amazed that it takes triple the
>>> RAM. Both machines are running the same apps and the same number of
>>> instances.
>>>
>>> Anyone have seen this? It's not a problem, I just think it's a bit strange.
>>
>>
>> A few weeks ago I noticed that some of the wotaskd that were running were just in the top of memory consumers.
>> Actualy I have a wotaskd which has 42 instances running consuming ~285Mo (resident memory), it's a Wonder version
>> (06-01-2010 build for WO 5.3) running under Java 1.5 on an x86_32 Linux.
>> I noticed that Monitor consume memory too but less than wotaskd.
>> I had the idea of switching back to a vanilla version but profiling would be more helpful to understand why it's eating
>> so much memory.
>
> Hum, I forgot to say that I also moved from the bundled version of wotaskd/Monitor to the Wonder versions. So since the Linux box is not in prod, I switched back to the 5.4.3 Apple version of the tools, and Monitor is eating 68 MB, wotaskd is eating 62 MB. If I switch back to the Wonder versions, wotaskd eats 107 MB, Monitor 73 MB.
>
> So look like for whatever reason, Wonder's wotaskd eats almost double the RAM than the vanilla one :-/
>
> ----
> Pascal Robert
> email@hidden
>
> AIM: MacTICanada
> Twitter : MacTICanada
> LinkedIn : http://www.linkedin.com/in/macti
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>
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