Investigate network priorities

Flow uses a strict priority system for processing work. Priority inversions have been demonstrated to cause large performance problems, however very little has been done to verify that the current priorities are optimal.

It is also possible that some amount of randomization in the priority system would improve performance. For instance, 5% of the time, the run loop could execute a random task instead of the highest priority task.

Start by locating Flow's run loop and the strict priority system described in the issue. Measure whether current priorities cause inversions or performance problems, then compare them with the proposed randomized scheduling approach. Done means the priority behavior has been evaluated and a supported direction is documented.

Written by the indexing model from the issue text.