Shell robustness #373
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Shell robustness #373
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If DB_DIR is not a directory, which may happen when dispatcher is not yet started, refuse to work further as nothing good will come from it.
When auto is set as REPLICATION_ID, try to guess the latest/greatest file that is present locally.
Instead of generating areas in 3 seconds intervals, check how much time it
took to generate the areas and sleep to reach average `desired_cpu_load`.
If you set it to:
1 - script will sleep 99x more than it works (so average cpu load is 1%)
50 - script will sleep the same time as it works (so average cpu load is 50%)
100 - script will sleep only 3 seconds (hardcoded minimum) giving average cpu
load 100%
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Two small improvements for shell scripts.