| From: | Peter Geoghegan <pg(at)heroku(dot)com> |
|---|---|
| To: | Merlin Moncure <mmoncure(at)gmail(dot)com> |
| Cc: | Andres Freund <andres(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: hung backends stuck in spinlock heavy endless loop |
| Date: | 2015-01-15 02:44:11 |
| Message-ID: | CAM3SWZRicfLszVTy0MnP+UGiM3MFXOOmqFkR6DcfUz29PfaU4g@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Jan 14, 2015 at 5:23 PM, Peter Geoghegan <pg(at)heroku(dot)com> wrote:
> My immediate observation here is that blocks 2 and 9 have identical
> metadata (from their page opaque area), but partially non-matching
> data items (however, the number of items on each block is consistent
> and correct according to that metadata, as far as it goes). I think
> block 9 is supposed to have a right-link to block 5 (block 5 seems to
> think so, at least -- its left link is 9).
For the convenience of others, here is a version with a normalized
data column added (interpreting the datums as little-endian Oids).
--
Peter Geoghegan
| Attachment | Content-Type | Size |
|---|---|---|
| output.csv | text/csv | 28.8 KB |
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