Re: Slower performance after enabling async io on Oracle Linux

From: Mladen Gogala <>
Date: Tue, 15 May 2012 18:05:53 +0000 (UTC)
Message-ID: <jou5u1$tj1$>

On Tue, 15 May 2012 07:30:17 -0700, Matthias Hoys wrote:

> Problem solved: I saw the following in the listener.log file: "WARNING:
> Subscription for node down event still pending". The solution is to add
> "SUBSCRIBE_FOR_NODE_DOWN_EVENT_LISTENER=OFF" to the listener.ora file,
> and restart the listener. Apparently, the listener service constantly
> tries to contact a RAC service, but this is a non-RAC installation. It
> was already a known issue with Oracle 10g. Way to go, Oracle ;-) Let's
> see if this improves the async io performance.
> Matthias Hoys

Please, let us know what the outcome is. I am really curious now.

Received on Tue May 15 2012 - 13:05:53 CDT

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