On 8 Říjen 2013, 11:42, Atri Sharma wrote: >> >> I've made some significant improvements in the chaining version (in the >> master branch), now getting about the memory consumption I've estimated. >> > I agree, we can hope to reduce the memory consumption by making changes in > the current chaining implementation. I would like to look into changing > the data structure used for chaining from singly linked list to maybe skip > list or something else.
Just to be sure - I haven't been messing with the HashAggregate implementation directly, but with a custom aggregate. But feel free to tweak the built-in hash table ;-) Tomas -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
