On 17 November 2014 07:31, Jeff Davis <pg...@j-davis.com> wrote: > To calculate the total memory used, I included a function > MemoryContextMemAllocated() that walks the memory context and its > children recursively.
If we assume that we want the results accurate to within 5%, then we can work out a good sampling rate to achieve that accuracy. We would probably need a counting mechanism that didn't slow down O(N) as our allocations get bigger. -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers