Neil Conway <[EMAIL PROTECTED]> writes: > Have you run ANALYZE recently? You might be running into the well-known > problem that hashed aggregation can consume an arbitrary amount of > memory -- posting the EXPLAIN for the query would confirm that.
It would be useful to confirm whether this behavior is any different
from 8.0 ...
regards, tom lane
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TIP 7: don't forget to increase your free space map settings
