when it will need to delete the alert log file

Hello all,

What could be the size of alert log file,so that it will need to delete the file in sun solaris UNIX,8.0.5.

Regards,
Saroj.

-----OE�'�f�fbfZ�[fW-----
���o�l: Jared Still [mailto:jkstill_at_cybcon.com] '-�M"�Zz: Monday, May 28, 2001 PM 12:11
^���: Multiple recipients of list ORACLE-L OE�-�: Re: Deleting the alert.log when the database is up

Interesting, I hadn't realized this behavior had changed.

Jared

On Sunday 27 May 2001 18:10, Reardon, Bruce (CALBBAY) wrote:
> Hi,
>
> For information.
>
> At various times there has been a lot of discussion about deleting the
> alert.log.
>
> Looking through Metalink I found the following note which describes the
> behaviour change between 7.3.4 and 805 and above.
>
> Hope it is of help.
>
> Regards,
> Bruce
>
>
> Doc ID: Note:122401.1
> Type: BULLETIN
> Status: PUBLISHED
> Content Type: TEXT/PLAIN
> Creation Date: 18-OCT-2000
> Last Revision Date: 14-MAY-2001
>
>
> Problem Description
> -------------------
>
> The Oracle background processes has an open file descriptor on the
> alert.log.
> When the database is up and running it continually holds this file
> descriptor
> open. This was not the case in 7.3.4, but is true for 8.0.5 to 8.1.7.
>
> This poses the question: What if the database is up and the alert.log
> gets too large. Do I have to shutdown the database to release the open
> file descriptor on the alert.log, then deal with the large alert.log?
>
>
> Solution Description
> --------------------
>
> You are able to copy the alert.log while the database is up and running.
>
> 1) Create an empty file:
> (example: touch nullfile.log)
>
> 2) Replace the old alert.log with the new empty file:
> (example: mv nullfile.log alert<sid>.log)
>
> The running database experiences no affects when doing this.
>
>
> Explanation
> -----------
>
> Having the continual open file descriptor on the alert.log is intended
> behaviour for the database.
>
>
> References
> ----------
>
> [BUG:1388186] OPEN FILE DESCRIPTORS HELD BY ORACLE BACKGROUND PROCESSES
> ON ALERT.LOG FILE
>
>
> Additional Search Words
> -----------------------
>
> delete alert

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Author: Dash, Saroj  (CAP,CEF)
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