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It covers structuring SLIs, choosing appropriate SLOs, and measuring reliability with clear guidance and examples for availability and latency. The book also details how error budgets connect to SLOs, supports stakeholder alignment through policy and negotiation, and presents real-world SLO adoption case studies. 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All rights reserved.  \nPrinted in the United States of America.  \nPublished by O’Reilly Media, Inc., 1005 Gravenstein Highway North, Sebastopol, CA 95472.  \nO’Reilly books may be purchased for educational, business, or sales promotional use. Online editions are also available for most titles ([http://oreilly.com](http://oreilly.com)). For more infor‐ mation, contact our corporate/institutional sales department: 800-998-9938 or [corporate@oreilly.com](corporate@oreilly.com).  \nAquisitions Editor: John Devins  \nDevelopment Editor: Virginia Wilson  \nProduction Editor: Kate Galloway  \nCopyeditor: Scarlett Lindsay  \nProofreader: Sonia Saruba  \nInterior Designer: David Futato  \nCover Designer: Karen Montgomery  \nIllustrator: Rebecca Demarest  \nApril 2020: First Edition  \nRevision History for the First Edition  \n2020-04-01: First Release  \nSee [http://oreilly.com/catalog/errata.csp?isbn=9781492075363](http://oreilly.com/catalog/errata.csp?isbn=9781492075363 for)[ for](http://oreilly.com/catalog/errata.csp?isbn=9781492075363 for) release details.  \nThe O’Reilly logo is a registered trademark of O’Reilly Media, Inc. SLO Adoption and Usage in Site Reliability Engineering, the cover image, and related trade dress are trademarks of O’Reilly Media, Inc.  \nThe views expressed in this work are those of the authors, and do not represent the publisher’s views. While the publisher and the authors have used good faith efforts to ensure that the information and instructions contained in this work are accurate, the publisher and the authors disclaim all responsibility for errors or omissions, including without limitation responsibility for damages resulting from the use of or reliance on this work. Use of the information and instructions contained in this work is at your own risk. If any code samples or other technology this work contains or describes is subject to open source licenses or the intellectual property rights of others, it is your responsibility to ensure that your use thereof complies with such licenses and/or rights.  \nThis work is part of a collaboration between O’Reilly and Google. See our statement of editorial independence.  \n978-1-492-07534-9  \nTable of Contents  \nExecutive Summary............................................. v  \nPreface....................................................... ix  \n1. SLOs: The Magic Behind SRE................................... 1  \nDefining SRE Terms for Measuring and Managing Your System 2  \nSLOs Are the Driving Force Behind SRE Teams 4  \nSLOs Are Powerful Business Tools That Drive Financial and Operational Performance 6  \nSummary 8  \n2. Summary of the Data........................................ 9  \nWho Took Our Survey 10  \nMost Firms Have Had SRE Teams for Fewer Than Three Years 12  \nWho Uses SLOs 14  \nHow Organizations Use SLOs 18  \nAvailability Is the Top SLI Measurement 28  \nSummary 29  \n3. Selecting SLOs ............................................. 31  \nDo Not Let Perfect Be the Enemy of Good 32  \nSLOs: What They Are and Why We Have Them 33  \nCharacteristics of Meaningful SLOs 35  \nBest Practices for SLO Selection 37  \nSummary 39  \n4. Constructing SLIs to Inform SLOs.............................. 41  \nDefining SLIs 42  \nSLIs Are Metrics to Deliver User Happiness 43  \nCommon SLI Types 44  \nSLI Structure 45  \nDeveloping SLIs 46  \nTracking Reliability with SLIs 49  \nWays to Measure SLIs 51  \nUse SLIs to Define SLOs 53  \nDetermine a Time Window for Measuring SLOs 54  \nSLO Examples for Availability and Latency 55  \nIterating and Improving SLOs 56  \nSummary 57  \n5. Using Error Budgets to Manage a Service....................... 59  \nThe Relationship Between SLOs and Error Budgets 60  \nNegotiating Technical Work Versus Developmen","cbCaioSkUFIggzTA","https://ap.wps.com/l/cbCaioSkUFIggzTA","pdf",8266873,104,"English","# Executive Summary\n# Preface\n# 1. SLOs: The Magic Behind SRE\n## Defining SRE Terms for Measuring and Managing Your System\n## SLOs Are the Driving Force Behind SRE Teams\n## SLOs Are Powerful Business Tools That Drive Financial and Operational Performance\n# 2. Summary of the Data\n## Who Took Our Survey\n## Most Firms Have Had SRE Teams for Fewer Than Three Years\n## Who Uses SLOs\n## How Organizations Use SLOs\n## Availability Is the Top SLI Measurement\n# 3. Selecting SLOs\n## Do Not Let Perfect Be the Enemy of Good\n## SLOs: What They Are and Why We Have Them\n## Characteristics of Meaningful SLOs\n## Best Practices for SLO Selection\n# 4. Constructing SLIs to Inform SLOs\n## Defining SLIs\n## Common SLI Types\n## SLI Structure\n## Developing SLIs\n## Tracking Reliability with SLIs\n# 5. Using Error Budgets to Manage a Service\n## The Relationship Between SLOs and Error Budgets\n## Negotiating Technical Work Versus Development Velocity\n## Stakeholder Buy-in and Establishing an Error-Budget Policy\n# 6. SLO Implementation Case Studies\n## Schlumberger’s SLO Journey\n## Evernote’s SLO Journey\n# 7. Conclusion","[{\"question\":\"What role do SLOs play in Site Reliability Engineering?\",\"answer\":\"SLOs provide concrete, agreed-upon reliability targets that align teams on what “good” looks like. They help organizations manage change against measurable performance goals.\"},{\"question\":\"How do you construct SLIs to support SLOs?\",\"answer\":\"SLIs are defined as metrics that reflect reliability outcomes, such as user happiness. The process includes selecting common SLI types, defining structure, developing them, and measuring with practical guidance and examples.\"},{\"question\":\"How do error budgets relate to SLOs?\",\"answer\":\"Error budgets translate SLO targets into usable operational limits. They support negotiation between technical reliability work and development velocity while enabling stakeholder buy-in through a defined policy.\"}]","SLO Adoption and Usage in Site Reliability Engineering | PDF",1789563373,36]