[Zope-dev] WebDAV File Descriptor Leak

Andreas Jung Andreas Jung <andreas@andreas-jung.com>
Tue, 27 May 2003 18:11:26 +0200


Can you reproduce the behaviour with 2.6.2?

-aj

--On Dienstag, 27. Mai 2003 11:07 Uhr -0500 Brian Brinegar 
<brinegar@pier.ecn.purdue.edu> wrote:

> Hello,
>
> We've run into a problem where we get messages like this in our Zope logs:
>
> 2003-05-23T18:56:08 PROBLEM(100) ZServer Server accept() threw an
> exception
>
> we occasionally get a lot of these and then restart Zope on the ZEO
> Client and everything is okay. After a little more investigation we found
> that these occur when we run out of File Descriptors. So, why are we
> running out of file descriptors???
>
> Tracked it down to this: each time a WebDAV client connects to zope
> cluster a temporary file is created. lsof shows the following:
>
> python    19005 httpd 1016u   REG        0,9       227   15857725
> /var/tmp/@19004.1930 (deleted) python    19005 httpd 1017u   REG
> 0,9       227   15857727 /var/tmp/@19004.1931 (deleted) python    19005
> httpd 1018u   REG        0,9       227   15857732 /var/tmp/@19003.1933
> (deleted) python    19005 httpd 1019u   REG        0,9       227
> 15857738 /var/tmp/@19003.1934 (deleted) python    19005 httpd 1020u   REG
> 0,9       227   15857740 /var/tmp/@19003.1935 (deleted) python    19005
> httpd 1021u   REG        0,9       227   15857743 /var/tmp/@19003.1936
> (deleted) python    19005 httpd 1022u   REG        0,9       227
> 15857745 /var/tmp/@19003.1937 (deleted) python    19005 httpd 1023u   REG
> 0,9       227   15857886 /var/tmp/@19003.1956 (deleted)
>
> they are all roughly the same size. There seems to be a file descriptor
> leak. Is this a known problem? We are running Zope 2.5.1 right now.
>
> Any ideas?
>
> Thanks,
> -Brian
>
>
>
>
>
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