We have Oracle 11gR2 (11.2.0.3) on the server with RHEL 5. Whenever we restart the database, we get below statements in the alert log:
Memlock limit too small: 32768 to accommodate segment size: 16777216
Memlock limit too small: 32768 to accommodate segment size: 16777216
Memlock limit too small: 32768 to accommodate segment size: 16777216
Memlock limit too small: 32768 to accommodate segment size: 16777216
Memlock limit too small: 32768 to accommodate segment size: 16777216
Memlock limit too small: 32768 to accommodate segment size: 2097152
****************** Large Pages Information *****************
Total Shared Global Region in Large Pages = 0 KB (0%)
Large Pages used by this instance: 0 (0 KB)
Large Pages unused system wide = 1536 (3072 MB) (alloc incr 16 MB)
Large Pages configured system wide = 1536 (3072 MB)
Large Page size = 2048 KB
RECOMMENDATION:
Total Shared Global Region size is 3014 MB. For optimal performance,
prior to the next instance restart increase the number
of unused Large Pages by atleast 0 2048 KB Large Pages (0 KB)
system wide to get 100% of the Shared
Global Region allocated with Large pages
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Please advise.