[nova][dev] Stein blueprint burndown chart
melwittt at gmail.com
Mon Mar 25 18:54:16 UTC 2019
We have just wrapped up RC1 and I have a burndown chart  of
blueprints  for the Stein cycle to share. I sent a similar email
after we released Rocky last cycle . I generated data for this chart
throughout the cycle using a script I have proposed to add to the
nova-specs repo .
Comparing final numbers to Rocky
Max approved for Rocky: 72
Max approved for Stein: 49
Final completed for Rocky: 59
Final completed for Stein: 29
Our completion percentage of approved blueprints in Rocky was 81.9% and
in Stein it was 59.2%.
We had a significant drop in completion percentage from last cycle. We
approved many more blueprints than we completed. Comparing the release
note prelude from Rocky  to Stein , I think we had an increase in
larger and more complex user-impacting features implemented this cycle
than last cycle. Throughout the cycle, we also had the placement
extraction happening, which was a substantial amount of work not
represented by a blueprint. Finally, many of the approved blueprints
which were not completed were also larger and more complex features
(NUMA-aware live migration, SRIOV live migration, cross-cell resize,
detach/attach of root volume, just to name a few).
I think we completed an impressive amount of work this cycle and I'm
proud of how many user-impacting features we released.
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