# Glossary Terms ## A [**ACID**](/content/glossary/acid/index.html)\ ACID is a standard compliance requirement in the database ecosystem. It represents the following four principles: Atomic... [**Airflow**](/content/glossary/airflow/index.html)\ Airflow is an open-source platform used for orchestrating complex workflows and data pipelines. It allows users to defin... [**Alert Fatigue**](/content/glossary/alert-fatigue/index.html)\ Alert fatigue in software engineering is a state of exhaustion that occurs when a large number of alerts makes the individual... [**Anomaly Detection**](/content/glossary/anomaly-detection/index.html)\ Anomaly detection is the process of identifying unexpected behaviours within a dataset by leveraging Machine Learning and... [**Anonymization**](/content/glossary/anonymization/index.html)\ Anonymization is the process of hiding sensitive information from log entries to protect privacy. It involves removing o... [**Application Performance Monitoring**](/content/glossary/application-performance-monitoring/index.html)\ APM is a popular category within the realm of software monitoring and observability.... ## B [**BigQuery**](/content/glossary/bigquery/index.html)\ BigQuery is a cloud-based data warehouse and data analytics platform, by Google Cloud. While it is a data platform simil... ## C [**Custom metric**](/content/glossary/custom-metric/index.html)\ Custom metrics are specific performance indicators that teams define to monitor aspects of their applications or busines... ## D [**Data Archival**](/content/glossary/data-archival/index.html)\ Data archival is the process of storing data in a structured manner for long-term retention, typically for compliance, r... [**Data lake**](/content/glossary/data-lake/index.html)\ A data lake is a large, unstructured pool of data where there is no need to structure the data upfront. Data lakes are e... [**Data Lakehouse**](/content/glossary/data-lakehouse/index.html)\ A data lakehouse is a relatively modern approach to managing and processing data. It combines the best features of data ... [**Data Mart**](/content/glossary/data-mart/index.html)\ A data mart is a subset of a data warehouse, that contains information that is needed specific to the requirements of th... [**Data Retention**](/content/glossary/data-retention/index.html)\ Data retention refers to the policies governing the management of data. A data retention policy consists of rules that d... [**Data warehouse**](/content/glossary/data-warehouse/index.html)\ A data warehouse is a system commonly used to manage, store and analyse data at scale. In a data warehouse, there is a c... [**Distributed Tracing**](/content/glossary/distributed-tracing/index.html)\ Distributed tracing is a monitoring process that tracks the progress of application requests as they traverse through di... ## E [**ELT**](/content/glossary/elt/index.html)\ ELT is a practice of data management in data warehousing where data is stored before being processed/transformed for usa... [**Error budget**](/content/glossary/error-budget/index.html)\ An error budget is a concept for defining acceptable reliability limits and managing its variance. It represents the ac... [**Error rate**](/content/glossary/error-rate/index.html)\ Error rate is the frequency of errors that occur within an API or an application. It provides insights about the reliabi... [**ETL**](/content/glossary/etl/index.html)\ It’s a method of data management in data warehousing, where ETL stands for Extract, Transform, and Load.... ## I [**Incident Response**](/content/glossary/incident-response/index.html)\ Incident response is a structured approach to handling and managing the operations after an incident or some disruption ... [**Ingestion**](/content/glossary/ingestion/index.html)\ Data Ingestion refers to the process of collecting and importing data from various sources into a system or storage infr... [**Instrumentation**](/content/glossary/instrumentation/index.html)\ Instrumentation is a crucial aspect of system monitoring and optimization. It involves equipping systems with the necess... ## J [**Jenkins**](/content/glossary/jenkins/index.html)\ Jenkins is a Java-based open-source automation server renowned for its vast plugin ecosystem, enabling continuous integr... ## K [**Kafka**](/content/glossary/kafka/index.html)\ Apache Kafka is an open-source distributed event streaming platform, originally developed at LinkedIn and open-sourced i... ## L [**Latency**](/content/glossary/latency/index.html)\ Latency refers to the delay or waiting time (time lag) that happens when a request or operation is initiated within an a... [**Log Enrichment**](/content/glossary/log-enrichment/index.html)\ Log enrichment adds more details to the existing logs. Enriched logs provide a more comprehensive view of events.... [**Log parsing**](/content/glossary/log-parsing/index.html)\ Log parsing is a process of extracting the log data that is generated by systems or applications, and finding valuable i... [**Log Rotation**](/content/glossary/log-rotation/index.html)\ Log rotation is a method used to manage the size of log files on servers. When a log file reaches a specified limit, usu... [**Logs**](/content/glossary/logs/index.html)\ Logs are the records of what happened within the application that are either auto-generated or added by a software devel... ## M [**Metrics**](/content/glossary/metrics/index.html)\ They are numerical values quantifying a certain behavioral aspect of your software, which is saved in a time series stor... [**MTTR**](/content/glossary/mttr/index.html)\ MTTR, which stands for Mean Time to Repair, is a crucial metric in system management. It represents the average duration... ## O [**Observability**](/content/glossary/observability/index.html)\ Observability is an industry term, coined to the practice of adding enough telemetry data (metadata) in an application s... [**OLAP**](/content/glossary/olap/index.html)\ OLAP which stands for Online Analytical Processing is a type of analytical database. OLAPs are designed for fast aggrega... [**On-call Rotation**](/content/glossary/on-call-rotation/index.html)\ On-call rotation is a practice commonly used in Engineering/ DevOps teams, where a developer takes turns to be “on-call”... [**OpenTelemetry**](/content/glossary/opentelemetry/index.html)\ OpenTelemetry is an industry wide protocol created, to denote the standard template of adding distributed traces (primar... ## P [**Profiling**](/content/glossary/profiling/index.html)\ Profiling is the process of collecting performance data to analyze and make changes in the application. Its purpose is t... ## R [**Redshift**](/content/glossary/redshift/index.html)\ Redshift is a cloud-based data warehouse solution by the Amazon AWS team. It allows organizations to run on cloud analyt... [**Resource Utilization**](/content/glossary/resource-utilization/index.html)\ Resource utilization refers to the management of the available tech resources in an engineering team. Such as computing ... ## S [**Sandbox**](/content/glossary/sandbox/index.html)\ A sandbox environment is a controlled and isolated space to test a specific product.... [**SLA (Service Level Agreement)**](/content/glossary/sla-service-level-agreement/index.html)\ SLA, or Service Level Agreement is the agreement that any service provider makes with their users about measurable metri... [**SLI (Service Level Indicators)**](/content/glossary/sli-service-level-indicators/index.html)\ SLI, or Service Level Indicators (SLIs) are the quantifiable metrics that are used to measure the performance or quality... [**SLOs (Service Level Objectives)**](/content/glossary/slos-service-level-objectives/index.html)\ SLOs or Service Level Objectives are part of SLA agreements where promises are made on specific metrics within an SLA ag... [**Snowflake**](/content/glossary/snowflake/index.html)\ Snowflake is a cloud-based data warehousing platform that provides fully managed and scalable solutions for storing and ... [**Streaming**](/content/glossary/streaming/index.html)\ Streaming is a process of sending/receiving data one-by-one in a steady manner instead of it being stored in a single pl... ## T [**TCO (total cost of ownership)**](/content/glossary/tco-total-cost-of-ownership/index.html)\ Any project that picked, is much more beyond a tool. It involves people, process and tooling — a one-time effort initial... [**Test Driven Development**](/content/glossary/test-driven-development/index.html)\ Test Driven Development or TDD is a software development process in which all software requirements are broken down into... [**Threat Detection**](/content/glossary/threat-detection/index.html)\ Threat detection is the process of identifying potential security threats or malicious activities within the organizatio... [**Triaging**](/content/glossary/triaging/index.html)\ Triaging is a process of doing a preliminary analysis / assessment in any situation to assess their urgency and impact on... ## U [**Uptime**](/content/glossary/uptime/index.html)\ Uptime is a measure of the duration during which a service or application operates without any interruption or downtime.