Andrew Lazarus <[EMAIL PROTECTED]> writes: > Should I temporarily increase sort_mem, vacuum_mem, neither, or both > when doing a CLUSTER on a large (100 million row) table
The only part of that job that can use lots of memory is the index rebuilds. In recent PG versions maintenance_work_mem is the thing to increase for an index build; previously sort_mem controlled it. I forget when the changeover was; maybe 8.0. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings