What is a good MTTR for a web service?

Elite performing DevOps teams (DORA metrics) achieve MTTR < 1 hour. Industry average is 4–8 hours. Legacy systems often have MTTR measured in days. Aim for automated rollback to minimise MTTR.

How is MTTR different from RTO?

MTTR is a historical measure of actual recovery time. RTO is the maximum acceptable downtime defined in an SLA. MTTR should be well below RTO to provide a safety margin.

MTTR — Mean Time to Recovery Calculator

Calculate Mean Time to Recovery (MTTR) = total downtime / number of failures. Track incident trends and set recovery time objectives (RTO) for service level agreements.

Networking

Algorithms

Binary & Number

Systems

Dev Metrics

IP Subnet Calculator

IP Address

CIDR Prefix

Network

192.168.1.0

Broadcast

192.168.1.255

Subnet Mask

255.255.255.0

First Host

192.168.1.1

Last Host

192.168.1.254

Usable Hosts

254

Binary breakdown:

IP: 11000000.10101000.00000001.00000000

Mask: 11111111.11111111.11111111.00000000

Net: 11000000.10101000.00000001.00000000

How to Use

Enter the values for the patient or scenario you are assessing. Calculate Mean Time to Recovery (MTTR) = total downtime / number of failures. Track incident trends and set recovery time objectives (RTO) for service level agreements. Use the mttr result to inform your clinical assessment.

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MTBF Calculator

AI & Tech