Thank-you. Looks like our Apache is loading far too much:

 ./apache.memory.analyse.pl
Total memory available: 0.49G
Total used by apache2 (3 instances): 0.73G
Total used by other processes: 0.44G

Average memory used per apache2 process: 248.45M
Recommended number of processes based on Average: 0
Needed memory for 500 processes based on Average: 121.31G

Max memory used for apache2 process: 258.87M
Recommended number of processes based on Max: 0
Needed memory for 500 processes based on Max: 126.40G

Mean plus two Standard Deviations (bulk of usage under max): 270.93M
Recommended number of processes based on Mean + 2*Stdev: 0
Needed memory for 500 processes based on Mean + 2*Stdev: 132.29G
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