Re: Open 7.3 items

Tom Lane wrote:
> > NAMEDATALEN - disk/performance penalty for increase, 64, 128?
> > FUNC_MAX_ARGS - disk/performance penalty for increase, 24, 32?
> 
> At the moment I don't see a lot of solid evidence that increasing
> NAMEDATALEN has any performance penalty.  Someone reported about
> a 10% slowdown on pgbench with NAMEDATALEN=128 ... but Neil Conway
> tried to reproduce the result, and got about a 10% *speedup*.
> Personally I think 10% is well within the noise spectrum for
> pgbench, and so it's difficult to claim that we have established
> any performance difference at all.  I have not tried to measure
> FUNC_MAX_ARGS differences.

Yes, we need someone to benchmark both the NAMEDATALEN and FUNC_MAX_ARGS
to prove we are not causing performance problems.  Once that is done,
the default limits can be easily increased.  I was thinking 64 for
NAMEDATALEN and 32 for FUNC_MAX_ARGS, effectively doubling both.

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