There was a recent enhancement in WiredTiger that improves how the storage engine handles system clocks going back in time. Part of that change is gated behind an environment check that is generated by configure - MongoDB doesn't enable that since the auto-generated files are pre-generated.
We should add HAVE_PTHREAD_COND_MONOTONIC to src/third_party/wiredtiger/build_linux/wiredtiger_config.h
The original change in WiredTiger is
- depends on
WT-3461 Avoid long sleeps when the system clock is adjusted