Priority: Major - P3
Affects Version/s: None
Fix Version/s: WT2.7.0
We have noticed that some workloads are evicting internal pages when there are other candidates available.
A wtperf configuration that results in internal page eviction, when there is plenty of space in cache for the internal structure is:
Since the workload is read-only it's possible to rerun with create=false above, and not re-create the database between runs.
Investigating stats towards the end of such a run I see: