Markus Benne wrote:
We are reindexing frequently, and I'm wondering if
this is really necessary, given that it appears to
take an exclusive lock on the table.

Our table in question is vacuumed every 4 minutes, and
we are reindexing after each one.

I'm not a fan of locking this table that frequently,
even if it is only for 5 - 10 seconds depending on

The vacuum is a standard vacuum.  Nightly we do a
vacuum analyze.

At most I'd do a nightly reindex. And in fact, I'd probably drop the index, full vacuum, recreate index.

But you only need to reindex at all if you have a specific problem with the index bloating. Are you seeing this?

  Richard Huxton
  Archonet Ltd

---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
      choose an index scan if your joining column's datatypes do not

Reply via email to