| From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-hackers(at)postgreSQL(dot)org |
| Subject: | Re: parallel pg_dump causes assertion failure in HEAD |
| Date: | 2014-03-05 17:09:02 |
| Message-ID: | 20140305170902.GI27273@alap3.anarazel.de |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On 2014-03-05 12:07:43 -0500, Tom Lane wrote:
> $ pg_dump -F d -j 4 -f foo regression
> pg_dump: [archiver (db)] query failed: pg_dump: [parallel archiver] query was: SET TRANSACTION SNAPSHOT '00002130-1'
> pg_dump: [archiver (db)] query failed: pg_dump: [archiver (db)] query failed: pg_dump: [archiver (db)] query failed: $
>
> postmaster log shows:
>
> TRAP: FailedAssertion("!(HistoricSnapshotActive())", File: "snapmgr.c", Line: 355)
> TRAP: FailedAssertion("!(HistoricSnapshotActive())", File: "snapmgr.c", Line: 355)
> TRAP: FailedAssertion("!(HistoricSnapshotActive())", File: "snapmgr.c", Line: 355)
> TRAP: FailedAssertion("!(HistoricSnapshotActive())", File: "snapmgr.c", Line: 355)
> LOG: server process (PID 15069) was terminated by signal 6: Aborted
> DETAIL: Failed process was running: SET TRANSACTION SNAPSHOT '00002130-1'
> LOG: terminating any other active server processes
>
> That Assert appears to have been introduced by commit b89e1510.
Will have a look in an hour or two.
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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