It's mostly mods, mainly group members. Different groups every time, different members. I was suspicious of referential integrity,
Again, why I wanted to know if there were some tracing or other stats / tools I could look at.
ANyway, about to take the pstack
Okay, got them. Will go through them now.
The consumer seems to oly have one one thread "writing" and that's doing an index update. Nothing major there. The supplier appears to have quite a number of threads in ldbm_back_modify (), and a couple in index updates, so I assume it's just database contention
Is there a way to show number of writers / locks on a bdb file?