hpcc-systems/HPCC-Platform — pull request #5925 by jakesmith (2014-05-22 09:58:24+00:00)
Title: HPCC-11496 Avoid create/delete ClusterLock to reduce contention     

Ensure ClusterLock is present and avoid constant commits, which
causes a lot of write/exclusive contention in Dali.

Signed-off-by: Jake Smith