Postgres: 8.1.3
OS: Mac OS X 10.4.6

I've run into another concurrency issue - parallel building of indexes.
When I try to build multiple indexes at a time, I randomly get:

  ERROR:  tuple concurrently updated

The following thread talks about this, but there is no answer.

  <http://archives.postgresql.org/pgsql-hackers/2002-07/msg00969.php>

How can I safely build indexes in parallel?

At this point, I'm only trying to build two at a time.  I will be building
indexes for tables with any where from a few rows to 100 million rows on a
daily basis - I need to maximize performance.

Wes



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