April 1999
Intermediate to advanced
584 pages
23h 17m
English
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SMON—the System Monitor
The System Monitor is responsible for performing the following operations:
Instance recovery at startup
Cleanup of unneeded temporary segments
Coalescing of contiguous free extents
Instance recovery for a failed CPU or instance in a Parallel Server environment
The SMON process “wakes up” on a regular basis to check whether any of these operations are required. In addition, other background processes can wake up SMON if they require one of these services.
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