# Key Compression

<div class="warning">

This is a legacy version of the Mini-LSM tutorial and we will not maintain it anymore. We now have a better version of this tutorial 
and this chapter is now part of [Mini LSM Week 1 Day 7: SST Optimizations](./week1-07-sst-optimizations.md).

</div>

We did not finish this chapter as part of Mini-LSM v1.

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