Re: pg_shdepend vacuum.

I'm experiencing the same thing with 9.0.4 running on win server 2003.  Reams
of messages like this... (I've changed the database names in the following
log snipit)

2013-11-22 09:37:42 CST    ERROR:  canceling autovacuum task
2013-11-22 09:37:42 CST    CONTEXT:  automatic vacuum of table
"x1.pg_catalog.pg_shdepend"
2013-11-22 09:37:42 CST    ERROR:  canceling autovacuum task
2013-11-22 09:37:42 CST    CONTEXT:  automatic vacuum of table
"x2.pg_catalog.pg_shdepend"
2013-11-22 09:37:43 CST    ERROR:  canceling autovacuum task
2013-11-22 09:37:43 CST    CONTEXT:  automatic vacuum of table
"x3.pg_catalog.pg_shdepend"
2013-11-22 09:37:44 CST    ERROR:  canceling autovacuum task
2013-11-22 09:37:44 CST    CONTEXT:  automatic vacuum of table
"x4.pg_catalog.pg_shdepend"
2013-11-22 09:37:45 CST    ERROR:  canceling autovacuum task
2013-11-22 09:37:45 CST    CONTEXT:  automatic vacuum of table
"x5.pg_catalog.pg_shdepend"
2013-11-22 09:37:45 CST    ERROR:  canceling autovacuum task
2013-11-22 09:37:45 CST    CONTEXT:  automatic vacuum of table
"x6.pg_catalog.pg_shdepend"
2013-11-22 09:37:46 CST    ERROR:  canceling autovacuum task
2013-11-22 09:37:46 CST    CONTEXT:  automatic vacuum of table
"x7.pg_catalog.pg_shdepend"
2013-11-22 09:37:47 CST    ERROR:  canceling autovacuum task
2013-11-22 09:37:47 CST    CONTEXT:  automatic vacuum of table
"x8.pg_catalog.pg_shdepend"
2013-11-22 09:37:48 CST    ERROR:  canceling autovacuum task
2013-11-22 09:37:48 CST    CONTEXT:  automatic vacuum of table
"x9.pg_catalog.pg_shdepend"
2013-11-22 09:37:48 CST    ERROR:  canceling autovacuum task
2013-11-22 09:37:48 CST    CONTEXT:  automatic vacuum of table
"x10.pg_catalog.pg_shdepend"
2013-11-22 09:37:49 CST    ERROR:  canceling autovacuum task
2013-11-22 09:37:49 CST    CONTEXT:  automatic vacuum of table
"x11.pg_catalog.pg_shdepend"
2013-11-22 09:37:50 CST    ERROR:  canceling autovacuum task
2013-11-22 09:37:50 CST    CONTEXT:  automatic vacuum of table
"x12.pg_catalog.pg_shdepend"
2013-11-22 09:37:51 CST    ERROR:  canceling autovacuum task
2013-11-22 09:37:51 CST    CONTEXT:  automatic vacuum of table
"x13.pg_catalog.pg_shdepend"
2013-11-22 09:37:52 CST    ERROR:  canceling autovacuum task
2013-11-22 09:37:52 CST    CONTEXT:  automatic vacuum of table
"x15.pg_catalog.pg_shdepend"
2013-11-22 09:37:52 CST    ERROR:  canceling autovacuum task
2013-11-22 09:37:52 CST    CONTEXT:  automatic vacuum of table
"x14.pg_catalog.pg_shdepend"
2013-11-22 09:37:53 CST    ERROR:  canceling autovacuum task

The messages travel across ALL the databases that we have but only seem to
involve the pg_shdepend table.

They even involve the template databases, and databases that have virtually
no activity.

2013-11-22 09:38:03 CST    CONTEXT:  automatic vacuum of table
"template0.pg_catalog.pg_shdepend"

2013-11-22 08:25:14 CST    CONTEXT:  automatic analyze of table
"template1.pg_catalog.pg_shdepend"

The errors repeat approximately every minute.





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