@lnhsingh We want to document these units in https://www.cockroachlabs.com/docs/stable/crdb-internal.html.
Is there anything I should put in Release notes? Was unsure since there are no changes affecting behaviour in this PR but we'd like to document these units.

This change is 

Created docs issue: https://cockroachlabs.atlassian.net/browse/DOC-6259
bors r+

Build succeeded:

• Bazel Essential CI (Cockroach)

Encountered an error creating backports. Some common things that can go wrong:

1. The backport branch might have already existed.
2. There was a merge conflict.
3. The backport branch contained merge commits.

You might need to create your backport manually using the backport tool.

error creating merge commit from 297b669 to blathers/backport-release-22.2-92602: POST https://api.github.com/repos/cockroachdb/cockroach/merges: 409 Merge conflict []

you may need to manually resolve merge conflicts with the backport tool.

Backport to branch 22.2.x failed. See errors above.

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