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docker changelog update

This commit is contained in:
Cameron Sparr 2016-04-18 16:24:32 -06:00
parent 7828bc09cf
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@ -5,8 +5,9 @@
will now be a field, and be called container_id. Additionally, cont_image and will now be a field, and be called container_id. Additionally, cont_image and
cont_name are being renamed to container_image and container_name. cont_name are being renamed to container_image and container_name.
- **Breaking Change**: docker plugin measurements. The `docker_cpu`, `docker_mem`, - **Breaking Change**: docker plugin measurements. The `docker_cpu`, `docker_mem`,
and `docker_net` measurements are being renamed to `docker_container_cpu`, `docker_blkio` and `docker_net` measurements are being renamed to
`docker_container_mem`, and `docker_container_net`. Why? Because these metrics are `docker_container_cpu`, `docker_container_mem`, `docker_container_blkio` and
`docker_container_net`. Why? Because these metrics are
specifically tracking per-container stats. The problem with per-container stats, specifically tracking per-container stats. The problem with per-container stats,
in some use-cases, is that if containers are short-lived AND names are not in some use-cases, is that if containers are short-lived AND names are not
kept consistent, then the series cardinality will balloon very quickly. kept consistent, then the series cardinality will balloon very quickly.