# How to enable read-aware data distributor?

**URL:** <https://forums.foundationdb.org/t/how-to-enable-read-aware-data-distributor/4089>\
**Category:** Using FoundationDB\
**Created:** [August 2, 2023, 4:35pm UTC](https://forums.foundationdb.org/t/how-to-enable-read-aware-data-distributor/4089 "2023-08-02T16:35:36Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![arun-pathiban-ddog](https://sea1.discourse-cdn.com/foundationdb/user_avatar/forums.foundationdb.org/arun-pathiban-ddog/32/1618_2.png) [@arun-pathiban-ddog](https://forums.foundationdb.org/u/arun-pathiban-ddog)\
**Post date:** [August 2, 2023, 4:35pm UTC](https://forums.foundationdb.org/t/how-to-enable-read-aware-data-distributor/4089/1 "2023-08-02T16:35:36Z")

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Hi!

This document ([https://github.com/apple/foundationdb/blob/main/design/data-distributor-internals.md](https://github.com/apple/foundationdb/blob/main/design/data-distributor-internals.md)) appears to indicate that read-aware data distributor is available as of 7.2. It doesn’t mention how to enable it however. I found this ([https://github.com/apple/foundationdb/blob/5eae3be195ee5c1302878459d3d1d34282b1ee60/fdbcli/DataDistributionCommand.actor.cpp#L114C13-L115](https://github.com/apple/foundationdb/blob/5eae3be195ee5c1302878459d3d1d34282b1ee60/fdbcli/DataDistributionCommand.actor.cpp#L114C13-L115)) cli command and tried running `datadistribution enable rebalance_read` but as far as I can tell it didn’t trigger any data movement. The release notes for 7.2 also don’t mention read-aware data distributor ([Release Notes — FoundationDB 7.2](https://apple.github.io/foundationdb/release-notes/release-notes-720.html)). So I was wondering:

1. Is this actually available in 7.2?
2. If it is, how do I enable it?

Thanks.