WARNING! Physical Log size 50000 is too small ?? Why ? And how to fix it ?

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04-19-2008, 06:05 PM

JerryTu

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WARNING! Physical Log size 50000 is too small ?? Why ? And how to fix it ?

Dear Here,

Today,I found following warning in online.log .
My database OS is AIX and DB is Informix Database server 7.3.

09:05:45 WARNING! Physical Log size 50000 is too small.
Physical Log overflows may occur during peak activity.
Recommended minimum Physical Log size is 20 times maximum
concurrent user threads.

I had config Physical and Logical :

# Physical Log Configuration
PHYSDBS rootdbs # Location (dbspace) of physical log
PHYSFILE 50000 # Physical log file size (Kbytes)

# Logical Log Configuration
LOGFILES 120 # Number of logical log files
LOGSIZE 2000 # Logical log size (Kbytes)

Actually , My dbspace in used is 27% and 73% is avaiabled .
and concurrent user between 500-600 and each user session size is 7k .

So , Physical Log size should be enough .
Why this warning happen ? and How to fix it ?
PLS Help me !! Thanks.

Regards
Jerry

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WARNING! Physical Log size 50000 is too small ?? Why ? And how to fix it ?