Is backout rate increasing?
dburns at mozilla.com
Sun Aug 3 20:42:14 UTC 2014
From my brief analysis of the numbers I have seen higher backout rates
than you are reporting but they have been dropping over time.
For the last 7 days I have around 8% of pushes have a backout in them on
Mozilla Inbound. (26 backouts and 321 pushes you can see the data at
The problem I found was that I could not rely on looking at hg log at
all. This down to the interesting
way that we handle integration trees and then do merges. Others have
briefly mentioned this potential
problems so I have been using the Pushes API from the Release
Engineering team but that can only handle
a certain timeline (I am waiting on treeherder API to be ready to get
long term data since I would love 6 months worth of data).
I would love to see the code/papers that you are using to do this work
since I have a special interest in this area since I manage the sheriffs.
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