| Re: Redo Logs [message #51326] |
Wed, 15 May 2002 20:48 |
Vikas Gupta
Messages: 115
Registered: February 2002
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Senior Member |
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Hello,
Every time there is a log switch, Oracle initiates a checkpoint.
If your logs are small -- Checkpoints will occur frequently.
If your logs are large -- checkpoint will not occur frequently and hence there is a crash, it could take a long time to recover.
Frequent checkpoints can effect your performance.
Well in general log switch should occur in every 20-30
minutes, its history can also be viewed in your alertlog file.
You should size ( drop and add) your redo logs until you receive this target.
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