Re: Don't removes/recycles WAL files at all - Mailing list pgsql-general

From Michael Govorun
Subject Re: Don't removes/recycles WAL files at all
Date
Msg-id m3el07xg61.fsf@shpion.ru
Whole thread Raw
In response to Re: Don't removes/recycles WAL files at all  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-general
Tom Lane <tgl@sss.pgh.pa.us> writes:

> Yeah, adding or removing -malign-double would change the layout of our
> on-disk data structures, so it's no surprise you'd need to dump and
> reload for that.
>
> Also, -ffast-math is known to be Evil.  I thought we had a check to
> prevent that (looks ...) yeah we do; how'd you get by this check in
> timestamp.c?
>
> /*
>  * gcc's -ffast-math switch breaks routines that expect exact results from
>  * expressions like timeval / 3600, where timeval is double.
>  */
> #ifdef __FAST_MATH__
> #error -ffast-math is known to break this code
> #endif

Thanks for info, but I did not see this error.

> As for the other stuff, it theoretically should work, but isn't
>egcs-2.91.66 rather old and buggy?  Perhaps a newer gcc would work
>better.

Yes, it's old redhat 6.2 and whole system for a long time needs
upgrade.

--
Michael Govorun

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