Hello,
we're looking into the reason why we are getting warnings about
transaction ID wraparound despite a daily "vaccumdb -qaz". Someone is
claiming that VACUUM without FULL cannot reassign XIDs properly when
max_fsm_pages was set too low (it says so here too, but this is rather
old: http://www.varlena.com/GeneralBits/Tidbits/perf.html#maxfsmp). Is
this true, or do we have a different issue here? We're using 8.1.3 with
a database generated on 8.1.3 (i.e. not migrated from 7.x or anything
like that).
Thanks,
Marinos
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TIP 5: don't forget to increase your free space map settings
