What might be the source of this error?
Cache lookup failed for relation 188485009
We've been getting these at odd intervals, and they are not reproducible.
Our setup:
PostgreSQL 7.3.3
Red Hat 7.3
kernel.shmall = 1352914698
kernel.shmmax = 1352914698
shared_buffers = 131072
max_fsm_pages = 350000
max_fsm_relatio ns = 200
wal_buffers = 32
sort_mem = 65536
vacuum_mem = 65536
effective_cache _size = 196608
--
Jeff Boes vox 269.226.9550 ext 24
Database Engineer fax 269.349.9076
Nexcerpt, Inc. http://www.nexcerpt.com
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"Jeff Boes" <jb***@nexcerpt .com> writes: What might be the source of this error?
Cache lookup failed for relation 188485009
We've been getting these at odd intervals, and they are not reproducible.
Always the same OID, or different ones? Does that OID actually exist in
pg_class? Can you tell us exactly what SQL command(s) are producing the
error? (If not, better turn on query logging so you can find out.)
Our setup:
PostgreSQL 7.3.3
BTW, I'd urge updating to 7.3.4 ASAP. Better to do it in a controlled
fashion than to find yourself looking at a forced update if 7.3.3 fails
to restart after a crash...
regards, tom lane
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On Mon, 2003-08-18 at 09:53, Tom Lane wrote: Always the same OID, or different ones? Does that OID actually exist in
pg_class? Can you tell us exactly what SQL command(s) are producing the
error? (If not, better turn on query logging so you can find out.)
Different OIDs, and they do not exist in pg_class (it's the OID of that
table's row, right? So for
Cache lookup failed for relation 172465102
I would do
select * from pg_class where oid = 172465102
right? I'm not 100% familiar yet with the ins and outs of pg_class. Too
many OID-type fields in there, I can't keep them straight ... 8-}
I'd turn on query logging, but since we're getting these about every 3-7
days, I'm not sure that would be the most effective use of all that disk
.... maybe I can find a way to localize it to the point where the
pg_class query is happening.
--
Jeff Boes vox 269.226.9550 ext 24
Database Engineer fax 269.349.9076
Nexcerpt, Inc. http://www.nexcerpt.com
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It usually refers to some cached plan referring to a table or object that
does not exist anymore. Do you have stored procedures that refer to tables
that are deleted? This includes temporary tables.
So maybe it's only happening when a certain stored procedure is executed
twice in the same session?
Hope this helps,
On Mon, Aug 18, 2003 at 01:01:53PM +0000, Jeff Boes wrote: What might be the source of this error?
Cache lookup failed for relation 188485009
We've been getting these at odd intervals, and they are not reproducible.
Our setup:
PostgreSQL 7.3.3
Red Hat 7.3
kernel.shmall = 1352914698
kernel.shmmax = 1352914698
shared_buffers = 131072
max_fsm_pages = 350000
max_fsm_relatio ns = 200
wal_buffers = 32
sort_mem = 65536
vacuum_mem = 65536
effective_cache _size = 196608
--
Jeff Boes vox 269.226.9550 ext 24
Database Engineer fax 269.349.9076
Nexcerpt, Inc. http://www.nexcerpt.com
...Nexcerpt... Extend your Expertise
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