 Statistics Collector</A
></DT
><DT
>27.3. <A
HREF="monitoring-locks.html"
>Viewing Locks</A
></DT
><DT
>27.4. <A
HREF="dynamic-trace.html"
>Dynamic Tracing</A
></DT
></DL
></DD
><DT
>28. <A
HREF="diskusage.html"
>Monitoring Disk Usage</A
></DT
><DD
><DL
><DT
>28.1. <A
HREF="disk-usage.html"
>Determining Disk Usage</A
></DT
><DT
>28.2. <A
HREF="disk-full.html"
>Disk Full Failure</A
></DT
></DL
></DD
><DT
>29. <A
HREF="wal.html"
>Reliability and the Write-Ahead Log</A
></DT
><DD
><DL
><DT
>29.1. <A
HREF="wal