tree a070946520c4d392fb0d351a6ff13b19fcf6a001
parent f43fe7642e9f1eb48b7438e2b132d9efc641edb6
author Julie Tibshirani <julie.tibshirani@elastic.co> 1614020557 -0800
committer GitHub <noreply@github.com> 1614020557 -0800
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LUCENE-9616: Add developer docs on how to update a format. (#2395)

This commit adds simple guidelines on how to make a change to a file format:
* Document how the 'copy-on-write' approach works with backwards-codecs
* Clarify that we prefer to copy the format instead of using internal versions