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How to get more memorary available on DB2 Server running on ZLINUX

drop_caches

Set the parameter /proc/sys/vm/drop_caches to 3.

This parameter realease cache memory unused.


echo 3 >  /proc/sys/vm/drop_caches


Schedule it in your crontab to run every 1 hour.

With this configuration your DB2 server will have much more memory available to every instance and databases. 

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