Sum of subtask hours and worklogs on burndown

Sachin P_q6h7sv

I have created 4 subtask of 10 hrs under one main task.  These 40hrs are not gettng shown under burndown chart.  

Do i have to enter sum of subtask under main task estimations?

Then how work logged under subtask get deducted from main task?

Burndown is not looking correct if mail task hours are not entered.

Nic Brough -Adaptavist-

Burn-down is something that measures progress on delivery of what you committed to doing during a sprint.  In scrum, you commit to doing stories, sub-tasks are not mentioned by it.  When you use them in scrum, they're a tool for the team to help break up stories into pieces for various reasons (several developers so different assignees, different sub-systems, types of work, and so-on).  The sub-tasks are completely irrelevant to whether a commitment is met.  You burn-down on the story, not bits of it.

So, the short story is that you do not do (scrum/burn-down) estimates on sub-tasks. 

There's no roll-ing up or other accumulation schemes implemented in Jira (and most of the ones people decide to design and implement don't work either)

If you want to estimate in hours, and reference sub-tasks, then, without any code, you have three options:

1. Scrum estimate set to a custom field for "hours", and use the built-in time tracking for the sub-tasks (there is a roll-up display of these in plain Jira, which is why I put this option first). 
2. Scrum estimate set to use the built-in time tracking, but sub-tasks have an hour field.
3. Scrum estimate to a custom field for "scrum hours" and sub-tasks set to a custom field for hours

All of these will require you to manually copy hours between the two types of field.