Re: BUG #17619: AllocSizeIsValid violation in parallel hash join - Mailing list pgsql-bugs

From Peter Geoghegan
Subject Re: BUG #17619: AllocSizeIsValid violation in parallel hash join
Date
Msg-id CAH2-Wzks9HkNoBWdFhB0Q8uT4JOw2mcYJ5Sm7Ara_NutTHLs8A@mail.gmail.com
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In response to Re: BUG #17619: AllocSizeIsValid violation in parallel hash join  (Peter Geoghegan <pg@bowt.ie>)
List pgsql-bugs
On Fri, Sep 23, 2022 at 5:12 PM Peter Geoghegan <pg@bowt.ie> wrote:
> Reminds me of the recent parallel VACUUM bug, fixed by commit
> 662ba729. That involved unintialized DSM, too.
>
> As I said at the time: we should be using Valgrind for this.

Uh, why is it okay that we don't zero-initialize memory used for
things like PARALLEL_KEY_BUFFER_USAGE and PARALLEL_KEY_WAL_USAGE?

(No prizes for guessing why I ask.)
-- 
Peter Geoghegan



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