Re: panic failed to add item

On Fri, Nov 20, 2009 at 3:15 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Scott Marlowe <scott.marlowe@gmail.com> writes:
>>>> I get this running mnogosearch against my 8.4.1 database consistently:
>>>> PANIC:  failed to add item to the right sibling in index "logged_in_uid"
>
> Hmm, if uid is an integer then all the index entries will be the same
> size, which eliminates my first theory about there being some corner
> case where we're (still) choosing an infeasible split point.  Can you
> comment about the insertion pattern for uid's --- are they ever-increasing
> for instance?  Do you have any special properties such as fillfactor set
> on that index?

Access is pretty random actually, and fill factor on this database is
100% because it doesn't really get updated, just appended to.  There
are a lot of parallel insertions going on if that helps.