| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Sean Chittenden <seanc(at)joyent(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org, stadtkind2(at)gmx(dot)de, Sam Gwydir <sam(dot)gwydir(at)joyent(dot)com>, Sean Chittenden <sean(at)chittenden(dot)org>, pgsql-bugs(at)postgresql(dot)org |
| Subject: | Re: Re: [PATCH] BUG #13416: Postgres >= 9.3 doesn't use optimized shared memory on Solaris anymore |
| Date: | 2017-10-04 17:56:07 |
| Message-ID: | 20171004175607.356vuonm5pq7t2vo@alap3.anarazel.de |
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| Lists: | pgsql-bugs pgsql-hackers |
Hi,
On 2017-10-04 10:47:06 -0700, Sean Chittenden wrote:
> Hello. We identified the same problem. Sam Gwydir and Josh Clulow were able to put together the appropriate fix after.
>
> The breakage in src/backend/port/sysv_shmem.c and src/include/storage/dsm_impl.h should be back ported to all supported versions (the regression was introduced between the 9.2 and 9.3 branches).
Personally I don't think "breakage" is quite the right work.
I also don't like that we're unconditionally not using
USE_ANONYMOUS_SHMEM - doesn't that run into similar config limits on
solaris based stuff as it does on linux etc?
I think if we want to do this, we should rather go with a patch like
https://www.postgresql.org/message-id/20140422121921.GD4449@awork2.anarazel.de
Greetings,
Andres Freund
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