From 529481a273bcdfcd61f1f0e230ef5817431dee9b Mon Sep 17 00:00:00 2001
From: Lachlan Deakin <ljdgit@gmail.com>
Date: Mon, 5 Feb 2024 21:14:35 +1100
Subject: [PATCH] Fixed the `crc32c` codec reserving more memory than necessary

---
 CHANGELOG.md                                          | 3 +++
 src/array/codec/bytes_to_bytes/crc32c/crc32c_codec.rs | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index ebec1d46..d4459ce7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+ - Fixed the `crc32c` codec reserving more memory than necessary
+
 ## [0.11.4] - 2024-02-05
 
 ### Added
diff --git a/src/array/codec/bytes_to_bytes/crc32c/crc32c_codec.rs b/src/array/codec/bytes_to_bytes/crc32c/crc32c_codec.rs
index e617c64a..54b5877a 100644
--- a/src/array/codec/bytes_to_bytes/crc32c/crc32c_codec.rs
+++ b/src/array/codec/bytes_to_bytes/crc32c/crc32c_codec.rs
@@ -55,7 +55,7 @@ impl BytesToBytesCodecTraits for Crc32cCodec {
         _parallel: bool,
     ) -> Result<Vec<u8>, CodecError> {
         let checksum = crc32fast::hash(&decoded_value).to_le_bytes();
-        decoded_value.reserve_exact(decoded_value.len() + checksum.len());
+        decoded_value.reserve_exact(checksum.len());
         decoded_value.extend(&checksum);
         Ok(decoded_value)
     }