Pavel Stehule wrote:

> It does much more intensive work with IO - I have feeling like there are
> intensive fsync.

You could prove that, by running "make html" under "strace -f -e
trace=fsync" etc.  I just tried that, and I don't see any fsync.  I
guess you could try other syscalls, or simply "-e trace=file".  Doing
the latter I noticed an absolutely stupid number of attempts to open
which deserves a WTF.

Álvaro Herrera      
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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