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heritrix3
Heritrix is the Internet Archive's open-source, extensible, web-scale, archival-quality web crawler project.
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
If anyone's interested in web crawling technology, check out Heretrix [1], been around since 2004 and while not the most performant it has incorporated many responsible disciplines in the design and as this article pointed out, WARC format.
1. https://heritrix.readthedocs.io
NOTE:
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