Re: Low FD limit a performance issue?

From: Vit Spinka <>
Date: Thu, 03 Nov 2011 15:23:11 +0100
Message-ID: <>

As I understand it, Oracle will try to close some open files when it runs out of free descriptors. But if you really use more files than how many descriptors are set by ulimit, it will have to close&open like crazy, and that can be a severe performance penalty.

On 3.11.2011 14:47, Sidney Chen wrote:
> Not sure if Oracle have the retry mechanism, When the OS run out of FD,
> will the server process keep retrying to allocate FD, rather than exit the
> process.
> if yes, that's may be the kind of performance degration it means...hmm,
> just my guess.

Received on Thu Nov 03 2011 - 09:23:11 CDT

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