Re: hung backends stuck in spinlock heavy endless loop

Peter Geoghegan <pg@heroku.com>

From: Peter Geoghegan <pg@heroku.com>
To: Merlin Moncure <mmoncure@gmail.com>
Cc: Andres Freund <andres@2ndquadrant.com>, Tom Lane <tgl@sss.pgh.pa.us>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2015-01-14T23:39:45Z
Lists: pgsql-hackers
On Wed, Jan 14, 2015 at 3:38 PM, Merlin Moncure <mmoncure@gmail.com> wrote:
> (gdb) print  BufferGetBlockNumber(buf)
> $15 = 9
>
> ..and it stays 9, continuing several times having set breakpoint.


And the index involved? I'm pretty sure that this in an internal page, no?

-- 
Peter Geoghegan


Commits

  1. Improve hash_create's API for selecting simple-binary-key hash functions.

  2. Fix WAL-logging of B-tree "unlink halfdead page" operation.

  3. Fix backup-block numbering in redo of b-tree split.

  4. Cleanup of new b-tree page deletion code.

  5. Fix bug in the new B-tree incomplete-split code.

  6. Fix bug in new B-tree page deletion code.

  7. Fix rm_desc routine of b-tree page delete records.

  8. Make the handling of interrupted B-tree page splits more robust.

  9. Fix race condition in B-tree page deletion.