From b71ffc5560e6d5cea6942d75a5aad491eca0fcb6 Mon Sep 17 00:00:00 2001
From: SF-Zhou <sfzhou.scut@gmail.com>
Date: Wed, 12 Mar 2025 13:49:07 +0800
Subject: [PATCH] Modify the direct io align size to 4K (#158)

Co-authored-by: dev <noreply@deepseek.com>
---
 src/fbs/storage/Common.h                      | 2 +-
 src/storage/chunk_engine/src/utils/aligned.rs | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/fbs/storage/Common.h b/src/fbs/storage/Common.h
index 147ac54..c507513 100644
--- a/src/fbs/storage/Common.h
+++ b/src/fbs/storage/Common.h
@@ -77,7 +77,7 @@ enum class FeatureFlags : uint32_t {
   ALLOW_READ_UNCOMMITTED = 8,
 };
 
-constexpr auto kAIOAlignSize = 512ul;
+constexpr auto kAIOAlignSize = 4096ul;
 
 class ChunkId {
  public:
diff --git a/src/storage/chunk_engine/src/utils/aligned.rs b/src/storage/chunk_engine/src/utils/aligned.rs
index e47ffcf..3a58555 100644
--- a/src/storage/chunk_engine/src/utils/aligned.rs
+++ b/src/storage/chunk_engine/src/utils/aligned.rs
@@ -1,7 +1,7 @@
 use super::super::Size;
 use std::alloc::Layout;
 
-pub const ALIGN_SIZE: Size = Size::new(512);
+pub const ALIGN_SIZE: Size = Size::new(4096);
 
 pub struct AlignedBuffer(&'static mut [u8]);