Re: [PERFORM] rapid degradation after postmaster restart

[Joe Conway]

Arthur Ward wrote:
Jan's vacuum-delay-only patch that nobody can find is here:

http://archives.postgresql.org/pgsql-hackers/2003-11/msg00518.php

I've been using it in testing & production without any problems.
Great to know -- many thanks.

I've hacked my own vacuum-delay-only patch form Jan's all_performance 
patch. It looks like the only difference is that it uses usleep() 
instead of select(). So far the tests look promising.

Thanks,

Joe

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TIP 9: the planner will ignore your desire to choose an index scan if your
     joining column's datatypes do not match


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