Skip to content
Flow metrics (CFD) templates

CFD — Incident Backlog Burn-down

Ten weeks of an SRE team draining a production incident backlog: every band narrows, the delivery rate climbs ~51% between halves, and no queue trips the runaway detector.

Template previewFlow metrics (CFD)
SRE — production incident backlog burn-down0100200300400cumulative incidents2025-06-022025-06-092025-06-162025-06-232025-06-302025-07-072025-07-142025-07-212025-07-282025-08-04Reported (queue)TriagedMitigatingAwaiting fix (queue)ClosedWIP58 incidentsarrivals − departuresTHROUGHPUT34 / week4.86 incidents/dayCYCLE TIME ≈11.9 daysLittle's Law: WIP ÷ throughputLEAD TIME ≈11.9 daysall 58 incidents in systemFLOW EFFICIENCY34%20 active · 38 waitingDELIVERY TREND↑ 51%accelerating · 306 doneStageTypeWIP (incidents)LimitTime (days)Reportedwaiting21—4.3Triagedactive11—2.3Mitigatingactive9—1.9Awaiting fixwaiting17—3.5Closeddone306——

Make it your own.

title "SRE — production incident backlog burn-down"
unit incidents
stages: Reported*, Triaged, Mitigating, Awaiting fix*, Closed

# A recovering system: closure rate rises from 22 to 46 a week while every
# band narrows. This is what "under control" looks like on a CFD.
2025-06-02 | 107,  65,  45,  31,   0
2025-06-09 | 123,  83,  64,  51,  22
2025-06-16 | 147, 108,  90,  75,  47
2025-06-23 | 166, 130, 113, 101,  75
2025-06-30 | 195, 161, 145, 131, 106
2025-07-07 | 220, 189, 174, 163, 140
2025-07-14 | 255, 226, 212, 199, 177
2025-07-21 | 286, 260, 247, 237, 217
2025-07-28 | 327, 303, 291, 279, 260
2025-08-04 | 364, 343, 332, 323, 306