jwebb@localnet.com wrote:

The reason we are running 5 clients (each with 10 threads) performing concurrent wildcard searches on "unindexed attributes", is purely and simply.... load testing.

the test seems reasonable enough that (with our current configuration) slapd should be able to handle it with terminating with a 'SIGABRT'...

am i wrong in assuming this?

Your trace shows an abort because malloc failed, meaning your system was out of RAM. Regardless of what "free" reports, your malloc library ran out of space. There's no OpenLDAP bug here, closing this ITS.