[openstack-dev] [nova] focused review pipeline of bug fix changes?
Markus Zoeller
mzoeller at linux.vnet.ibm.com
Wed Jul 13 11:37:49 UTC 2016
On 13.07.2016 10:09, Andreas Jaeger wrote:
> On 2016-07-12 09:59, Markus Zoeller wrote:
>> After closing the old (>18months) bug reports nobody is working on a few
>> days ago [1], it became clear that the "in progress" reports are the
>> majority [2]. After asking Gerrit how long it usually takes to get a fix
>> merged [3], this is the result:
>>
>> number of merged bug fixes within the last 365 days: 689
>> merged within ~1m : 409 (~59%)
>> merged within ~2m : 102 (~14%)
>> merged within ~3m : 57 (~ 8%)
>> merged > 3month : 121 (~17%)
>>
>> Note: This doesn't reflect the time a patch might be marked as
>> "WIP". It also doesn't add up to 100% as I rounded down the
>> percentages.
>>
>> This made me thinking about ways to increase the review throughput of
>> bug fix changes, especially the bug fixes in the "~2m" and "~3m" area. I
>> *assume* that the fixes in the ">3m" area had inherent problems or
>> waited for basic structural changes, but that's just guesswork.
>>
>> The proposal is this:
>> * have a TBD list with max 10 items on it (see list possibilities below)
>> * add new items during nova meeting if slots are free
>> * Change owners must propose their changes as meeting agenda items
>> * drop change from list in nova meeting if progress is not satisfying
>>
>> List possibilities:
>> 1) etherpad of doom? maintained by (?|me)
>> + easy to add/remove from everyone
>> - hard to query
>> 2) gerrit: starred by (?|me)
>> + easy to add/remove from the list maintainer
>> + easy to query
>> - No additions/removals when the list maintainer is on vacation
>> 3) gerrit: add a comment flag TOP10BUGFIX and DROPTOP10BUGFIX
>> + easy to add/remove from everyone
>> + easy to query (comment:TOP10BUGFIX not comment:DROPTOP10BUGFIX)
>> - once removed with a comment "DROPTOP10BUGFIX", a repeated
>> addition is not practical anymore.
>> 4) gerrit: tag a change
>> + easy to add/remove from everyone
>> + easy to query
>> - not yet available in our setup
>
> You could also use a specific topic for these - instead of the bug/XXX,
> use TOP10BUG.
>
> Another suggestion: Check what neutron has done with their review board
> that is available from http://status.openstack.org/reviews/ as "Gerrit
> Dashboard links" - a dashboard that takes into account the launchpad bug
> status and is generated using a script (see
> https://review.openstack.org/298779 ),
>
> Andreas
>
Yep, another possible way to support the idea by tooling. What's more
important is the commitment of reviewers/authors I guess. If that
commitment isn't there, tooling won't help.
--
Regards, Markus Zoeller (markus_z)
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