The log buffer size determines the size of the I/Os that Adaptive Server can perform to the memory buffer in the cache designated for transaction log I/Os. (The cache used for transaction log I/Os is shown in the Log Cache box of the Database property sheet.) The default buffer size is 2K, indicating that Adaptive Server performs transaction log I/Os one data page at a time. You can change the log buffer size for the database’s transaction log.
Changing the log buffer size
Select the database icon, then select File | Properties.
Select the Transaction Log tab.
Enter a value in the Log IO Size box. The value must 2, 4, 8, or 16.
Click OK.
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