found a minor bug in eZContentOperationCollection::registerSearchObject()
the "return" should be outside the "if ( count..." because when an object is already pending for indexation, it never enters inside this if, causing a realtime indexation, not delayed, and this is causing timeout errors when publishing content.
- enable delayedindexing
- publish some content -> a pending action is added (this is ok)
- before runing update index cron, edit and publish the same object -> you get realtime indexation in this case (this is not desired with delayed indexing enabled)