Tag Archives: test time

Measurements Towards Continuous Delivery

I was asked yesterday what measurements a team could start to take to track their progress towards continuous delivery. Here are some initial thoughts.

Lead time per work item to production

Lead time starts the moment we have enough information that we could start the work (ie it’s “ready”). Most teams that measure lead time will stop the clock when that item reaches the teams definition of “done” which may or may not mean that the work is in production. In this case, we want to explicitly keep tracking the time until it really is in production.
Note that when we’re talking about continuous delivery, we make the distinction between deploy and release. Deploy is when we’ve pushed it to the production environment and release is when we turn it on. This measurement stops at the end of deploy.

Cycle time to “done”

If the lead time above is excessively long then we might want to track just cycle time. Cycle time starts when we begin working on the item and stops when we reach “done”.
When teams are first starting their journey to continuous delivery, lead times to production are often measured in months and it can be hard to get sufficient feedback with cycles that long. Measuring cycle time to “done” can be a good intermediate measurement while we work on reducing lead time to production.

Escaped defects

If a bug is discovered after the team said the work was done then we want to track that. Prior to hitting “done”, it’s not really a bug – it’s just unfinished work.
Shipping buggy code is bad and this should be obvious. Continuously delivering buggy code is worse. Let’s get the code in good shape before we start pushing deploys out regularly.

Defect fix times

How old is the oldest reported bug? I’ve seen teams that had bug lists that went on for pages and where the oldest were measured in years. Really successful teams fix bugs as fast as they appear.

Total regression test time

Track the total time it takes to do a full regression test. This includes both manual and automated tests. Teams that have primarily manual tests will measure this in weeks or months. Teams that have primarily automated tests will measure this in minutes or hours.
This is important because we would like to do a full regression test prior to any production deploy. Not doing that regression test introduces risk to the deployment. We can’t turn on continuous delivery if the risk is too high.

Time the build can be broken

How long can your continuous integration build be broken before it’s fixed? We all make mistakes. Sometimes something gets checked in that breaks the build. The question is how important is it to the team to get that build fixed? Does the team drop everything else to get it fixed or do they let it stay broken for days at a time?

Continuous delivery isn’t possible with a broken build.

Number of branches in version control

By the time you’ll be ready to turn on continuous delivery, you’ll only have one branch. Measuring how many you have now and tracking that over time will give you some indication of where you stand.

If your code isn’t in version control at all then stop taking measurements and just fix that one right now. I’m aware of teams in 2015 that still aren’t using version control and you’ll never get to continuous delivery that way.

Production outages during deployment

If your production deployments require taking the system offline then measure how much time it’s offline. If you achieve zero-downtime deploys then stop measuring this one.  Some applications such as batch processes may never require zero-downtime deploys. Interactive applications like webapps absolutely do.

I don’t suggest starting with everything at once. Pick one or two measurements and start there.


Affiliated Promotions:

Try our automated online Scrum coach: Scrum Insight - free scores and basic advice, upgrade to get in-depth insight for your team. It takes between 8 and 11 minutes for each team member to fill in the survey, and your results are available immediately. Try it in your next retrospective.

Please share!
Facebooktwittergoogle_plusredditpinterestlinkedinmailFacebooktwittergoogle_plusredditpinterestlinkedinmail
Berteig
Upcoming Courses
View Full Course Schedule
Advanced Certified ScrumMaster® (A-CSM)
Online
C$1599.00
Jul 26
2019
Details
Team Kanban Practitioner® (TKP)
Toronto
C$1095.00
Jul 31
2019
Details
Certified ScrumMaster® (CSM)
Toronto
C$1395.00
Jul 31
2019
Details
Kanban Management Professional® (KMP II)
Toronto
C$1595.00
Aug 1
2019
Details
Kanban System Design® (KMP I)
Toronto
C$1695.00
Aug 7
2019
Details
Advanced Certified ScrumMaster® (A-CSM)
Online
C$1599.00
Aug 9
2019
Details
BERTEIG Real Agility Series Webinar: Leading to Real Agility
WEBINAR
C$0.00
Aug 12
2019
Details
Certified Scrum Product Owner® (CSPO)
Toronto
C$1695.00
Aug 13
2019
Details
Certified Scrum Professional - ScrumMaster® (CSP-SM)
Online
C$1869.15
Aug 16
2019
Details
Certified ScrumMaster® (CSM)
Toronto
C$1185.75
Aug 21
2019
Details
Advanced Certified ScrumMaster® (A-CSM)
Online
C$1359.15
Aug 30
2019
Details
Advanced Certified ScrumMaster® (A-CSM)
Online
C$1359.15
Sep 7
2019
Details
Kanban System Design® (KMP I)
Toronto
C$1440.75
Sep 10
2019
Details
Certified ScrumMaster® (CSM)
Toronto
C$1185.75
Sep 10
2019
Details
Coach Skills for the Agile Workplace®
Toronto
C$2018.00
Sep 16
2019
Details
Certified Scrum Product Owner® (CSPO)
Toronto
C$1440.75
Sep 18
2019
Details
Team Kanban Practitioner® (TKP)
Toronto
C$930.75
Sep 19
2019
Details
Advanced Certified ScrumMaster® (A-CSM)
Online
C$1359.15
Sep 20
2019
Details
Certified ScrumMaster® (CSM)
Toronto
C$1185.75
Sep 24
2019
Details
Leading SAFe® with SA Certification (+FREE Scaling Workshop)
Toronto
C$1185.75
Oct 1
2019
Details
Professional Scrum Master® (PSM)
Toronto
C$1525.75
Oct 3
2019
Details
Advanced Certified ScrumMaster® (ACSM)
Online
C$1359.15
Oct 4
2019
Details
Certified ScrumMaster® (CSM)
Toronto
C$1185.75
Oct 8
2019
Details
Advanced Certified ScrumMaster® (A-CSM)
Online
C$1359.15
Oct 12
2019
Details
Certified Scrum Product Owner® (CSPO)
Toronto
C$1440.75
Oct 15
2019
Details
Certified ScrumMaster® (CSM)
Toronto
C$1185.75
Oct 22
2019
Details
Kanban System Design® (KMP I)
Toronto
C$1440.75
Oct 24
2019
Details
Advanced Certified ScrumMaster® (A-CSM)
Online
C$1359.15
Oct 25
2019
Details
Team Kanban Practitioner® (TKP)
Toronto
C$930.75
Oct 28
2019
Details
Advanced Certified ScrumMaster® (A-CSM)
Online
C$1359.15
Nov 1
2019
Details
Certified ScrumMaster® (CSM)
Toronto
C$1185.75
Nov 6
2019
Details
Certified ScrumMaster® (CSM)
Toronto
C$1185.75
Nov 19
2019
Details
Advanced Certified ScrumMaster® (A-CSM)
Online
C$1359.15
Nov 22
2019
Details
Certified Scrum Product Owner® (CSPO)
Toronto
C$1440.75
Nov 26
2019
Details
Advanced Certified ScrumMaster® (A-CSM)
Online
C$1359.15
Nov 29
2019
Details
Certified ScrumMaster® (CSM)
Toronto
C$1185.75
Dec 3
2019
Details
Kanban Management Professional® (KMP II)
Toronto
C$1355.75
Dec 5
2019
Details
Advanced Certified ScrumMaster® (A-CSM)
Online
C$1359.15
Dec 6
2019
Details
Team Kanban Practitioner® (TKP)
Toronto
C$930.75
Dec 10
2019
Details
Kanban System Design® (KMP I)
Toronto
C$1440.75
Dec 11
2019
Details
Advanced Certified ScrumMaster® (A-CSM)
Online
C$1359.15
Jan 11
2020
Details
Advanced Certified ScrumMaster® (A-CSM)
Online
C$1359.15
Feb 1
2020
Details
Advanced Certified ScrumMaster® (A-CSM)
Online
C$1359.15
Feb 22
2020
Details
Advanced Certified ScrumMaster® (A-CSM)
Online
C$1359.15
Mar 7
2020
Details
Advanced Certified ScrumMaster® (A-CSM)
Online
C$1359.15
Mar 21
2020
Details