Sun Java System Application Server Enterprise Edition 8.1 2005Q2 High Availability Administration Guide

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### Log Buffer Information

Log buffer information is:

- `NodeNo`: Node Number

- `Available`: amount of memory allocated for the log buffer in MB

- `Free`: amount of free memory in MB

Do not worry if free space is very small, since HADB starts compressing the log buffer. HADB starts compression from the head of the ring buffer and performs it on consecutive log records. Compression cannot proceed when HADB encounters a log record that has not been executed by the node and received by the mirror node

##### Example 3–19 Example of log buffer information

For example:

    NodeNO Avail Free
    0 16 21 16 3

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