On Sep13, 2011, at 14:58 , k...@rice.edu wrote: > It will be interesting to see if there are any performance ramifications to > this new write function.
What would those be? For non-interruptible reads and writes, the overhead comes down to an additional function call (if we don't make pg_write_nointr inlined) and a few conditional jumps (which branch prediction should be able to take care of). These are bound to disappear in the noise compared to the cost of the actual syscall. best regards, Florian Pflug -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers