Re: pgbench internal contention - Mailing list pgsql-hackers

From Tom Lane
Subject Re: pgbench internal contention
Date
Msg-id 12232.1312007541@sss.pgh.pa.us
Whole thread Raw
In response to Re: pgbench internal contention  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: pgbench internal contention
List pgsql-hackers
Robert Haas <robertmhaas@gmail.com> writes:
> On Fri, Jul 29, 2011 at 5:25 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Portability, or rather lack of it. �What about using erand48, which we
>> already have a dependency on (and substitute code for)?

> Neither our implementation nor glibc's appears to be thread-safe,

I think you're confusing srand48 with erand48.  The latter relies on a
caller-supplied state value, so if it's not thread-safe the caller has
only itself to blame.
        regards, tom lane


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