Index
A
- active users, Business KPIs
- agents, Monitoring Is Multiple Complex Problems Under One Name
- alert fatigue, Delete and Tune Alerts
- alerts/alerting, Alerting, Alerts, On-Call, and Incident Management-Attempt Automated Self-Healing First
- arbitrary static thresholds and, Arbitrary Static Thresholds Aren’t the Only Way
- assessment example, Alerting
- auto-healing, Attempt Automated Self-Healing First
- defining, What Makes a Good Alert?
- desensitization to, Delete and Tune Alerts
- email for, Stop Using Email for Alerts
- flapping detection, Before Statistics in Systems Operations
- linking alerts to runbooks, Write Runbooks
- logging, Stop Using Email for Alerts
- maintenance period use for, Use Maintenance Periods
- with Nagios, Before Statistics in Systems Operations
- Amazon, The Cost of a Slow App
- analytics and reporting, Analytics and Reporting-Analytics and Reporting
- anti-patterns, Monitoring Anti-Patterns-Wrap-Up
- checkbox monitoring, Anti-Pattern #3: Checkbox Monitoring-Collect Your Metrics More Often
- manual configuration, Anti-Pattern #5: Manual Configuration
- monitoring as a crutch, Anti-Pattern #4: Using Monitoring as a Crutch
- monitoring-as-a-job, Anti-Pattern #2: Monitoring-as-a-Job
- tool obsession, Anti-Pattern #1: Tool Obsession-The Single Pane of Glass Is a Myth
- APM tools, Monitoring Is Multiple Complex Problems Under One Name, Monitoring Is Multiple Complex Problems Under One Name, Instrumenting Your Apps with Metrics
- (see also StatsD)
- app speed, The Cost of a Slow App-The Cost of a Slow App
- application monitoring, Application Monitoring-Wrap-Up
- assessment example, Application and Server Monitoring-Application and Server Monitoring
- build and release pipeline monitoring, Monitoring Build and Release Pipelines-Monitoring Build and Release Pipelines
- health endpoint patterns, Health Endpoint Pattern-Health Endpoint Pattern
- instrumenting with metrics, Instrumenting Your Apps with Metrics-How It Works Under the Hood
- logging, Application Logging-Write to Disk or Write to Network?
- metrics versus log entries, Wait a Minute…Should I Have a Metric or a Log Entry?
- microservice architectures, Monitoring Microservice Architectures-Monitoring Microservice Architectures
- serverless platforms, Serverless / Function-as-a-Service
- application performance monitoring (APM) tools (see APM tools)
- arbitrary static thresholds, Arbitrary Static Thresholds Aren’t the Only Way
- arithmetic mean, Mean and Average-Mean and Average
- audisp-remote, auditd and Remote Logs
- auditd, User, Command, and Filesystem Auditing-auditd and Remote Logs
- auto-healing, Attempt Automated Self-Healing First
- automation importance, Anti-Pattern #5: Manual Configuration
- availability chart, Availability Chart
- availability reporting, Analytics and Reporting-Analytics and Reporting
- average, Mean and Average-Mean and Average
B
- bad habits (see anti-patterns)
- bandwidth, Interface Metrics, Interface Metrics
- BGP routing, Routing
- blackbox monitoring, Two Approaches to Frontend Monitoring
- buffers, Memory
- build and release pipeline monitoring, Monitoring Build and Release Pipelines-Monitoring Build and Release Pipelines
- burn rate, Business KPIs
- business KPIs (see KPIs (key performance indicators))
C
- caches/caching, Memory, Caching
- canary endpoint monitoring, Health Endpoint Pattern
- capacity planning, Capacity Planning
- churn rate, Business KPIs
- cloud infrastructures, Monitoring Is Multiple Complex Problems Under One Name
- cloud versus traditional architectures, Anti-Pattern #5: Manual Configuration
- communication liaison, Incident Management
- compliance, Monitoring and Compliance
- composable monitoring, Pattern #1: Composable Monitoring-Alerting
- alerting, Alerting
- analytics and reporting, Analytics and Reporting-Analytics and Reporting
- data collection, Data collection-Logs
- data storage, Data storage-Data storage
- visualization, Visualization-Visualization
- configuration tracking, Configuration Tracking
- console statement, Logging
- consumption rate, Message Queues
- continual improvement, Pattern #4: Continual Improvement
- cost considerations, It’s Cheaper, No, Really, SaaS Is Actually Better
- cost of goods sold (COGS), Business KPIs
- cost per customer, Business KPIs
- counters, Metrics
- CPU usage, CPU, CPU and Memory
- customer acquisition cost (CAC), Business KPIs
- customer churn, Business KPIs
- customer lifetime value (LTV), Business KPIs
D
- daily active users (DAU), Business KPIs
- dashboards, Visualization
- data collection, Data collection-Logs
- data storage, Data storage-Data storage
- data visualization, Visualization-Visualization
- database server performance, Database Servers-Database Servers
- design patterns, Monitoring Design Patterns-Wrap-Up
- buying tools versus building, Pattern #3: Buy, Not Build-No, Really, SaaS Is Actually Better
- composable monitoring, Pattern #1: Composable Monitoring-Alerting
- continual improvement, Pattern #4: Continual Improvement
- monitoring from user perspective, Pattern #2: Monitor from the User Perspective, Monitoring the Business
- DHCP, DHCP
- disk performance, Disk-Disk
- distributed tracing, Monitoring Microservice Architectures-Monitoring Microservice Architectures
- DNS servers, DNS
- DOM (Document Object Model), Document Object Model (DOM)
E
- email alerts, Stop Using Email for Alerts
- errors, Interface Metrics, Interface Metrics
- Etsy, Monitoring Build and Release Pipelines
- evicted items, Caching
F
- false alarms, Fixing False Alarms
- firefighting mode, Cutting Down on Needless Firefighting
- flapping detection, Before Statistics in Systems Operations
- flow monitoring, Flow Monitoring-Flow Monitoring
- follow-the-sun (FTS) rotations, Building a Better On-Call Rotation
- forecasting, Forecasting
- frontend monitoring, Frontend Monitoring-Wrap-Up
- assessment example, Frontend Monitoring
- defining, Frontend Monitoring
- logging, Logging
- Navigation Timing API, Navigation Timing API-Navigation Timing API
- performance importance, The Cost of a Slow App-The Cost of a Slow App
- Real User Monitoring (RUM), Two Approaches to Frontend Monitoring
- speed index, Speed Index
- synthetic monitoring, Two Approaches to Frontend Monitoring, Synthetic Monitoring
- function-as-a-service, Serverless / Function-as-a-Service
G
- gauges, Metrics
- Google Analytics, Two Approaches to Frontend Monitoring, OK, That’s Great, but How Do I Use This?
- gross profit margin, Business KPIs
H
- habits, bad (see anti-patterns)
- health endpoint pattern monitoring, Health Endpoint Pattern-Health Endpoint Pattern
- hit/miss ratio, Caching
- host intrusion detection system (HIDS), Host Intrusion Detection System (HIDS)-rkhunter
I
- incident commander (IC), Incident Management
- incident management, Incident Management-Incident Management
- IOPS (I/O per Second), Disk, Database Servers
- iostat, Disk
- IPFIX, Flow Monitoring
J
- J-Flow, Flow Monitoring
- JavaScript, Document Object Model (DOM)
- jitter, Interface Metrics
K
- keepalives, Web Servers
- KPIs (key performance indicators), Business KPIs-Wrap-Up
- determining, Finding Your Company’s Business KPIs-Finding Your Company’s Business KPIs, Business KPIs-Business KPIs
- Reddit example, Reddit-Tying Business KPIs to Technical Metrics
- tying to technical metrics, Tying Business KPIs to Technical Metrics-My App Doesn’t Have Those Metrics!
- Yelp example, Yelp-Yelp
L
- latency, Interface Metrics
- line graphs, Visualization
- load, Load
- load balancers, Load Balancers
- log analysis, Analysis
- log collection, Logs-Logs, Logging
- log entries, Application Logging-Write to Disk or Write to Network?
- log levels, What Should I Be Logging?
- log storage, Data storage, Storage, auditd and Remote Logs
- logging, Logging
- LTV (lifetime value), Business KPIs
M
- maintenance periods, Use Maintenance Periods
- manual configuration, Anti-Pattern #5: Manual Configuration
- mean, Mean and Average-Mean and Average
- median, Median
- memory usage, CPU and Memory
- memory used, Memory-Memory
- message queues, Message Queues
- metrics
- bandwidth, Interface Metrics, Interface Metrics
- CPU usage, CPU
- disk performance, Disk-Disk
- errors, Interface Metrics, Interface Metrics
- jitter, Interface Metrics
- latency, Interface Metrics
- load, Load
- memory used, Memory-Memory
- network performance, Network
- SNMP (Simple Network Management Protocol), Interface Metrics-Interface Metrics
- standard OS, Standard OS Metrics-Load
- throughput, Interface Metrics, Interface Metrics
- versus log entries, Wait a Minute…Should I Have a Metric or a Log Entry?
- metrics collection, Metrics
- metrics collection frequency, Collect Your Metrics More Often
- metrics storage, Data storage
- MIBs (management information base files), How Does It Work?
- microservice architectures, Monitoring Microservice Architectures-Monitoring Microservice Architectures
- monitoring
- reasons for ineffectiveness of, Anti-Pattern #3: Checkbox Monitoring-Collect Your Metrics More Often
- monitoring assessment example, Conducting a Monitoring Assessment-Wrap-Up
- monitoring service components, The Components of a Monitoring Service-Alerting
- (see also monitoring components)
- monthly active users (MAU), Business KPIs
- monthly recurring revenue, Business KPIs
N
- Nagios, Pattern #1: Composable Monitoring, Arbitrary Static Thresholds Aren’t the Only Way
- alerting with, Before Statistics in Systems Operations
- statistics in, Math to the Rescue!
- Navigation Timing API, Navigation Timing API-Navigation Timing API
- NetFlow, Flow Monitoring
- network intrusion detection system (NIDS), Network Intrusion Detection System (NIDS)-Network Intrusion Detection System (NIDS)
- network monitoring, Network Monitoring-Wrap-up
- capacity planning, Capacity Planning
- configuration tracking, Configuration Tracking
- CPU and memory usage, CPU and Memory
- device chassis, Chassis
- flow monitoring, Flow Monitoring-Flow Monitoring
- hardware, Hardware
- routing protocols, Routing
- SNMP (see SNMP (Simple Network Management Protocol))
- spanning tree protocol (STP), Spanning Tree Protocol (STP)
- voice and video performance, Voice and Video
- network performance, Network
- network taps, Network Intrusion Detection System (NIDS)
- normal distributions, Standard Deviation
- NPS (net promoter score), Business KPIs
- number of paying customers, Business KPIs
O
- Observability Teams, Anti-Pattern #2: Monitoring-as-a-Job
- Observer Effect, The, Monitoring Is Multiple Complex Problems Under One Name
- OIDs (object identifiers), How Does It Work?
- on-call, On-Call-Building a Better On-Call Rotation
- compensation, Building a Better On-Call Rotation
- rotations for, Building a Better On-Call Rotation-Building a Better On-Call Rotation
- tools for, Building a Better On-Call Rotation
- OOMKiller, Memory
- OS metrics alerts, OS Metrics Aren’t Very Useful—for Alerting
- OSPF routing, Routing
- overreliance on monitoring, Anti-Pattern #4: Using Monitoring as a Crutch
P
- page load times, The Cost of a Slow App-The Cost of a Slow App
- percentiles, Quantiles
- persistent connections, Web Servers
- pie charts, Visualization
- Pinterest, The Cost of a Slow App
- postmortems, Postmortems
- protocol changes, Spanning Tree Protocol (STP)
- pull model of data collection, Data collection
- push model of data collection, Data collection
Q
- QoS (quality of service) monitoring, Voice and Video
- qps (queries per second), Database Servers, DNS
- quantiles, Quantiles
- queue length, Message Queues
R
- real user monitoring (RUM), Two Approaches to Frontend Monitoring
- Reddit, Reddit-Tying Business KPIs to Technical Metrics
- reporting and analytics, Analytics and Reporting-Analytics and Reporting
- req/sec (requests per second), Web Servers
- return codes, Health Endpoint Pattern
- revenue per customer, Business KPIs
- rkhunter, rkhunter-rkhunter
- root bridge changes, Spanning Tree Protocol (STP)
- rootkits, Host Intrusion Detection System (HIDS)-rkhunter
- routing protocols, Routing
- rsyslog, auditd and Remote Logs
- run rate, Business KPIs
- runbooks
- abuse of, Anti-Pattern #5: Manual Configuration
- example, An Example Runbook: Demo App-Alerts
- linking alerts to, Write Runbooks
S
- SaaS services, Pattern #3: Buy, Not Build-No, Really, SaaS Is Actually Better
- scheduled jobs, Monitoring Scheduled Jobs-Monitoring Scheduled Jobs
- scribe, Incident Management
- seasonality, Seasonality
- security information and event management (SIEM) system, Network Intrusion Detection System (NIDS)
- security monitoring, Security Monitoring-Wrap-Up
- assessment example, Security Monitoring
- auditing users, commands, and filesystems, User, Command, and Filesystem Auditing-auditd and Remote Logs
- compliance, Monitoring and Compliance
- host intrusion detection system (HIDS), Host Intrusion Detection System (HIDS)-rkhunter
- network intrusion detection system (NIDS), Network Intrusion Detection System (NIDS)-Network Intrusion Detection System (NIDS)
- server monitoring, Server Monitoring-Wrap-Up
- assessment example, Application and Server Monitoring-Application and Server Monitoring
- caching, Caching
- database servers, Database Servers-Database Servers
- DHCP, DHCP
- DNS, DNS
- load balancer metrics, Load Balancers
- log analysis, Analysis
- log collection, Logging
- log storage, Storage
- message queues, Message Queues
- NTP servers, NTP
- scheduled jobs, Monitoring Scheduled Jobs-Monitoring Scheduled Jobs
- SMTP, SMTP
- SNMP, SNMP
- (see also SNMP (Simple Network Management Protocol)
- SSL certificates, SSL Certificates
- standard OS metrics, Standard OS Metrics-Load
- web server performance, Web Servers-Web Servers
- serverless platforms, Serverless / Function-as-a-Service
- severity levels, What Should I Be Logging?
- sFlow, Flow Monitoring
- Shopzilla, The Cost of a Slow App
- SLA (Service Level Availability)
- SLA (service-level availability), Analytics and Reporting-Analytics and Reporting
- slaves, Database Servers, DNS
- smoothing, Mean and Average
- SNMP (Simple Network Management Protocol), SNMP, The Pains of SNMP-Recap
- background, What Is SNMP?
- codec in use, Voice and Video
- command line use, How Do I Use SNMP?-That’s great, Mike. But where’s the list of OIDs I should monitor?
- interface and logging, Interface and Logging
- interface metrics, Interface Metrics-Interface Metrics
- securing, A Word on Security
- traps, How Does It Work?
- versions, How Does It Work?
- spanning tree protocol (STP), Spanning Tree Protocol (STP)
- SPAs (single-page apps), Frontend Monitoring
- speed index, Speed Index
- SSL certificates, SSL Certificates
- standard deviation, Standard Deviation-Standard Deviation
- statistics, Statistics Primer-Wrap-Up
- mean and average, Mean and Average-Mean and Average
- median, Median
- quantiles/percentiles, Quantiles
- seasonality, Seasonality
- standard deviation, Standard Deviation-Standard Deviation
- StatsD, Instrumenting Your Apps with Metrics-How It Works Under the Hood, Serverless / Function-as-a-Service
- status endpoint monitoring, Health Endpoint Pattern
- strip charts, Visualization
- structured logs, Logs-Logs, Application Logging
- subject matter experts (SMEs), Incident Management
- synthetic monitoring, Two Approaches to Frontend Monitoring, Synthetic Monitoring
- syslog forwarding, Collection
- syslogd/syslog-ng, auditd and Remote Logs
- systems resiliency and stability, Cutting Down on Needless Firefighting
T
- TCP versus UDP, Collection
- throughput, Interface Metrics, Interface Metrics
- tools, Anti-Pattern #1: Tool Obsession-The Single Pane of Glass Is a Myth
- building, Sometimes, You Really Do Have to Build It
- buying versus building, Pattern #3: Buy, Not Build-No, Really, SaaS Is Actually Better
- cargo-culting tools, Avoid Cargo-Culting Tools
- choosing, Monitoring Is Multiple Complex Problems Under One Name-Avoid Cargo-Culting Tools
- cost considerations, It’s Cheaper, No, Really, SaaS Is Actually Better
- mapping to dashboards, The Single Pane of Glass Is a Myth
- observation tools, Monitoring Is Multiple Complex Problems Under One Name
- standardization of, Monitoring Is Multiple Complex Problems Under One Name
- tool creep, Monitoring Is Multiple Complex Problems Under One Name
- tool fragmentation, Monitoring Is Multiple Complex Problems Under One Name
- total addressable market (TAM), Business KPIs
- traditional versus cloud architectures, Anti-Pattern #5: Manual Configuration
- TSDB (time series database), Data storage
U
- UDP versus TCP, Collection
- unstructured logs, Logs-Logs, Application Logging
- user perspective in monitoring, Pattern #2: Monitor from the User Perspective, Monitoring the Business
V
- visualization of data, Visualization-Visualization
- voice and video performance, Voice and Video
W
- web server performance, Web Servers-Web Servers
- WebpageTest.org, Two Approaches to Frontend Monitoring, Speed Index, Synthetic Monitoring
- weekly active users (WAU), Business KPIs
- whitebox monitoring, Two Approaches to Frontend Monitoring
Z
- zone transfers, DNS
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