| From: | Peter Geoghegan <pg(at)bowt(dot)ie> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | paul(dot)vanderlinden(at)mapcreator(dot)eu, PostgreSQL mailing lists <pgsql-bugs(at)lists(dot)postgresql(dot)org>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi> |
| Subject: | Re: BUG #15460: Error while creating index or constraint |
| Date: | 2018-10-29 16:38:07 |
| Message-ID: | CAH2-WzmV0kmPLjV1V+-5pUwDe4zeL14S958xu73knizorVAi4g@mail.gmail.com |
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| Lists: | pgsql-bugs |
On Mon, Oct 29, 2018 at 3:31 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> > LOG: performsort of 0 done: CPU: user: 250.03 s, system: 42.66 s, elapsed: 294.35 s
> > LOG: parallel external sort of 0 ended, 462886 disk blocks used: CPU: user: 250.03 s, system: 42.66 s, elapsed: 298.95 s
> > LOG: begin index sort: unique = f, workMem = 2096128, randomAccess = f
> > LOG: performsort of -1 starting: CPU: user: 0.00 s, system: 0.00 s, elapsed: 0.00 s
> > LOG: could not rmdir directory "base/pgsql_tmp/pgsql_tmp5088.0.sharedfileset": Directory not empty
> > ERROR: could not determine size of temporary file "0"
>
> "performsort of -1"? Seems a bit suspicious.
This just refers to the leader Tuplesortstate. It isn't suspicious.
We follow the convention that worker -1 is the leader within
tuplesort.c. trace_sort is a developer option, so this seems fine to
me.
--
Peter Geoghegan
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