
Restart the Enterprise Server.
▼
To set the keypoint interval
Keypoint operations compress the transaction log le. The keypoint interval is the number of
transactions between keypoint operations on the log. Keypoint operations can reduce the size of
the transaction log les. A larger number of keypoint intervals (for example, 2048) results in
larger transaction log les, but fewer keypoint operations, and potentially better performance.
A smaller keypoint interval (for example, 256) results in smaller log les but slightly reduced
performance due to the greater frequency of keypoint operations.
In the tree component select the Congurations node.
Select the instance to congure:
■
To congure a particular instance, select the instance’s cong node. For example, the default
instance, server , select the server-config node.
■
To congure the default settings for all instances, select the default-config node.
Select the Transaction Service node.
Enter the number of transactions between keypoint operations in the Keypoint Interval eld.
The default value is 2048.
Click Save.
Restart the Enterprise Server.
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Admin ConsoleTasks for Transactions
Sun GlassFish Enterprise Server 2.1 Administration Guide • December 2008148
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