| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
| Cc: | Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>, Amit Kapila <akapila(at)postgresql(dot)org>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, John Naylor <john(dot)naylor(at)2ndquadrant(dot)com>, pgsql-committers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: pgsql: Avoid creation of the free space map for small heap relations. |
| Date: | 2019-01-28 06:01:10 |
| Message-ID: | 9646.1548655270@sss.pgh.pa.us |
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Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> writes:
>> I don't know what the common thread is here, but you don't get to leave
>> the buildfarm broken this badly while you figure it out.
> Sure, but I am wondering why none of this ever shown in local tests,
> as we have done quite some testing related to pgbench as well.
Not sure, but I notice that two of the three critters I just pointed to
use force_parallel_mode. Dromedary does not, but it's old and slow.
Kind of smells like a timing problem ...
regards, tom lane
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