A blog on monitoring, scale and operational Sanity
October 5, 2020
Data is smaller and disks are bigger than you'd think.
April 13, 2020
The quoted storage numbers for Prometheus are usually for the blocks, not including the WAL.
January 13, 2020
One of the big changes in Prometheus 2.15.0 was reduced memory usage for indexes.
June 24, 2019
Memory for ingestion is just one part of the resources Prometheus uses, let's look at disk blocks.
June 3, 2019
Prometheus 2.10 has a new metric to make finding churn easier.
May 6, 2019
I previously looked at ingestion memory for 1.x, how about 2.x?
April 8, 2019
How can you control how much history Prometheus keeps?
February 4, 2019
The Prometheus TSDB's code base includes a tool to help you find "interesting" metrics in terms of storage performance.
January 21, 2019
The 2.6.0 release of Prometheus includes optimisations to reduce the memory taken by indexes and compaction.
January 7, 2019
The 2.6.0 release of Prometheus includes WAL loading optimisations to make startup faster.
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