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On 10/3/2013 1:50 AM, M Tarkeshwar Rao
wrote:
the CPU usage would be the total of CPU used by the various postgres server processes. accurately determining the memory usage is more complex as versions up to 9.2 use shared memory so this same block, often quite large, shows up in each process but its the same block. if you can use OS API's to determine how much shared memory the postmaster is using, subtract that much from each of the other postgres processes's memory to get an accurate total. if your application is a monitoring tool, you might look at check_postgresql.pl, this calculates and displays many different sorts of postgres specific values, it was originally intended for use with Nagios, but it can be used with any monitoring system. -- john r pierce 37N 122W somewhere on the middle of the left coast |
