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Date: Wed, 2 Nov 2005 11:49:01 +0100
From: Anna Seekamp <anna.seekamp@googlemail.com>
To: Tomcat Users List <users@tomcat.apache.org>
Subject: Re: tomcat - OutOfMemoryError
In-Reply-To: 
 <3E3D8ACB1917BD48A27F853F9C4AC79D711E6A@xmb-blr-412.apac.cisco.com>
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References: 
 <3E3D8ACB1917BD48A27F853F9C4AC79D711E6A@xmb-blr-412.apac.cisco.com>

Hi Lenin,

We have 4 GB physical memory and 1GB Swap-Space.
And the top said, the swap-space is never used.

-- anna

2005/11/2, Lenin Lakshminarayanan -X (lelakshm - HCL at Cisco)
<lelakshm@cisco.com>:
> Check out the swap space available in the system ? How much swap do you
> have in the system. Is it sufficiently available ?
>
> -----Original Message-----
> From: Anna Seekamp [mailto:anna.seekamp@googlemail.com]
> Sent: Wednesday, November 02, 2005 3:48 PM
> To: users@tomcat.apache.org
> Subject: tomcat - OutOfMemoryError
>
> Hi,
>
> We have a production-environment with heavy load.
> A cluster of DualXeonServers. Each is running:
>  apache (prefork)
>  mod_jk
>  tomcat 5.0.28
>  spring 1.1.5
>  hibernate 2.1
>  velocity (-> no JSPs)
>  c3p0-Connection-Pool.
>
> The jvm (1.4.2 Suse-Linux) starts with:
>  -server -Xmx1500m -Xms1500ms
>
> We have 9 webapps.
> One webapp has 50% load.
> The other share the rest.
> If we put 7 webapps online, we
> ran into problems. After a few hours we get OutOfMemoryErrors. The
> tomcat crashes an we get no response. But there isn't a heavy load (<
> 1). There isn't OutOfMemory (the last Runtime.freeMemory(): 1,3 GB) The
> Thread-Dump of the crashed server is unspecific. Most threads are
> waiting on findBundle in CoyoteConnector.createRequest().
>
> Are there any suggestions. Everything is welcome!
> I don't know where to look. Threads, Sockets, Memory (is there a problem
> with Runtime.freeMemory)
>
>
> best regards
> -- anna
>
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