Re: Server not longer reachable because of 211GB logfile
Re: Server not longer reachable because of 211GB logfile
- Subject: Re: Server not longer reachable because of 211GB logfile
- From: email@hidden
- Date: Mon, 18 Jun 2012 12:51:30 -0400
Envoyé de mon iPhone
Le 2012-06-18 à 12:37, "Chuck Hill" <email@hidden> a écrit :
> As Pascal said, Nagios. And I would monitor the total amount of available disk space. WO is not the only thing that can fill it up and kill the server.
+1. No disk space left or no more swap memory are two common problems that are huge problems when you get them.
>
> Chuck
>
>
> On 2012-06-17, at 5:59 AM, ute Hoffmann wrote:
>
>> Hallo,
>> I have a Mac Os X server running a number of WebObjects Applications for two years now.
>> In the morning the server was no longer reachable via ssh or via Apache.
>>
>> The reason was a logfile of one Application instance which had the size of 211GB.
>>
>> The instances are all scheduled nightly thus the file had piled up to that size from sometime early morning
>> to Midday. As the webobjects logs are pure textfiles something must have gone completely wrong in this instance
>> today to get that amount of output. Unfortunately this file had to be deleted at once (it blocked the disk) without a chance to
>> have a look on it.
>>
>> Another instance had this in the logfiles (some of this):
>> 22192168 [WorkerThread64] WARN NSLog - <WOWorkerThread id=64 socket=null> IOException occurred while accepting server socket: java.net.SocketException: Too many open files in system
>> 22192168 [WorkerThread65] WARN NSLog - <WOWorkerThread id=65 socket=null> IOException occurred while accepting server socket: java.net.SocketException: Too many open files in system
>>
>>
>> Has someone seen it and could this be the cause of my problem (I can image it filling a logfile when repeated often enough to a enourmous size)?
>>
>> If this could be the cause, does someone know how to detect this bevore I get to a filesize of the logfile
>> which kills the server? Or what is likely to be the reason of this. The App has been running stable for years, no large logfiles...
>>
>> By the way, is there a way to detect the size of a textfile (logfile) and have a process send me a message that something goes wrong,
>> when the file reaches a certain size?
>>
>> Thanks a lot
>>
>> Ute
>>
>>
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> --
> Chuck Hill Senior Consultant / VP Development
>
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