I believe the two documents below should help you with your question:
They also provide clarification as to when you should perform a re-index.
I hope this information helps.
Can a new-to-agile team survive and thrive in a non-agile culture? If so, what advice would you give to those trying to be agile in a non-agile culture? What's the key(s) to success? Share your thoug...
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