| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Jeff Janes <jeff(dot)janes(at)gmail(dot)com> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Andres Freund <andres(at)anarazel(dot)de> |
| Subject: | Re: uninterruptible state in 10beta4 |
| Date: | 2017-09-13 21:51:48 |
| Message-ID: | 29243.1505339508@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Jeff Janes <jeff(dot)janes(at)gmail(dot)com> writes:
> In 10beta4 and 11dev, If I run the below it enters an uninterruptible
> state. After the insert starts, I give 15 or seconds or so until the
> memory usage starts to grow due to enqueued triggers checks. Then I can't
> interrupt it with either ctrl-C in psql or kill -15 <pid> from another
> terminal.
Hm, I suspect the culprit is that the fast path out of ExecScan()
fails to include a CHECK_FOR_INTERRUPTS. It might be best to take
the CHECK_FOR_INTERRUPTS at line 160 and put it into ExecScanFetch
instead (but if so, that function's comment could use adjustment).
Andres?
regards, tom lane
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