| From: | Gregory Stark <stark(at)enterprisedb(dot)com> |
|---|---|
| To: | "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov> |
| Cc: | "Simon Riggs" <simon(at)2ndQuadrant(dot)com>, "Heikki Linnakangas" <heikki(dot)linnakangas(at)enterprisedb(dot)com>, "PostgreSQL-development" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Hot standby and b-tree killed items |
| Date: | 2008-12-19 20:54:48 |
| Message-ID: | 87tz8zkhrb.fsf@oxford.xeocode.com |
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| Lists: | pgsql-hackers |
"Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov> writes:
> PostgreSQL is much less prone to serialization failures, but it is
> certainly understandable if hot standby replication introduces new
> cases of it.
In this case it will be possible to get this error even if you're just running
a single SELECT query -- and that's the *only* query in the database at all.
A vacuum being replayed -- even in a different database -- could trigger the
error. Or with the btree split issue, a data load -- again even in a different
database -- would be quite likely cause your SELECT to be killed.
--
Gregory Stark
EnterpriseDB http://www.enterprisedb.com
Get trained by Bruce Momjian - ask me about EnterpriseDB's PostgreSQL training!
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