On Mon, Feb 22, 2010 at 2:41 PM, Frank Heikens <frankheik...@mac.com> wrote:
>
> Op 22 feb 2010, om 20:28 heeft Yang Zhang het volgende geschreven:
>>
>>
>>>
>>>
>>>>> If your work-mem is too low there's a good chance that Postgres has to
>>>>> use your disks for sorting, which will obviously be quite slow.
>>>>
>>>> Relative to the non-terminating 80-minute-so-far sort, Unix sort runs
>>>> much faster (on the order of several minutes).
>>>
>>> Make sure your index does fit into memory, what's the size of the index?
>>
>> How might I find out the size and whether it's being fit in memory?
>
> SELECT pg_size_pretty(pg_relation_size('i_transactionid'));pg_size_pretty ---------------- 1080 MB (1 row) -- Yang Zhang http://www.mit.edu/~y_z/ -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
