From 72db121a8a303b3e3d7aff21ce5fb96d8e5730ba Mon Sep 17 00:00:00 2001
From: Bojan Serafimov <bojan.serafimov7@gmail.com>
Date: Fri, 2 Dec 2022 09:17:20 -0500
Subject: [PATCH] Add todo

---
 pageserver/src/tenant/bst_layer_map.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pageserver/src/tenant/bst_layer_map.rs b/pageserver/src/tenant/bst_layer_map.rs
index 8896197a6b..edef665b19 100644
--- a/pageserver/src/tenant/bst_layer_map.rs
+++ b/pageserver/src/tenant/bst_layer_map.rs
@@ -1,5 +1,7 @@
 use std::collections::BTreeMap;
 
+// TODO the `im` crate has 20x more downloads and also has persistent
+// BTree. See if it's better. (What's "fully persistent?")
 use rpds::RedBlackTreeMap;