A lightweight Python library for anomaly detection and correlation in time series data, enabling root cause analysis.
Luminol is a lightweight Python library for time series data analysis, specializing in anomaly detection and correlation. It detects anomalies in time series data by assigning scores to data points and identifying unusual patterns, and it correlates anomalies with other metrics to help investigate root causes, such as spikes in network latency or system performance issues.
Developers and data analysts working with time series data for monitoring, diagnostics, or root cause analysis in systems like network performance, application metrics, or infrastructure monitoring.
Developers choose Luminol for its configurable algorithms, threshold-free anomaly scoring, and integrated correlation capabilities, which streamline automated root cause analysis workflows without relying on rigid thresholds or predefined rules.
Anomaly Detection and Correlation library
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Supports multiple anomaly detection (e.g., bitmap_detector, derivative_detector) and correlation algorithms (e.g., cross_correlator) with customizable parameters, allowing tailored analysis for specific use cases.
Does not rely on predefined value thresholds; instead, it assigns anomaly scores to each data point, enabling flexible identification of unusual patterns without manual cutoff settings.
Facilitates automated investigative logic by correlating anomalies with other metrics (e.g., GC, IO, CPU) to rank potential root causes, as highlighted in the library's philosophy for systems monitoring.
Accepts time series data as CSV file paths, dictionaries, or TimeSeries objects, making integration easy with various data sources without extensive preprocessing.
Only a few basic algorithms are available for anomaly detection and correlation, which may not cover complex scenarios or state-of-the-art methods, potentially requiring custom extensions.
Officially supports Python 2.7, which is deprecated, and while it also supports Python 3.6, this could lead to compatibility issues with modern Python environments and libraries.
The README admits that some algorithm parameters have vague meanings (e.g., for bitmap_detector), making it harder for users to tune effectively without diving into the source code.