Bump write buffer size to 8KiB

Author: kim

crates/commitlog/src/lib.rs

@@ -93,7 +93,7 @@ pub struct Options {
     /// Size in bytes of the memory buffer holding commit data before flushing
     /// to storage.
     ///
-    /// Default: 4KiB
+    /// Default: 8KiB
     #[cfg_attr(feature = "serde", serde(default = "Options::default_write_buffer_size"))]
     pub write_buffer_size: usize,
 }
@@ -109,7 +109,7 @@ impl Options {
     pub const DEFAULT_OFFSET_INDEX_INTERVAL_BYTES: NonZeroU64 = NonZeroU64::new(4096).expect("4096 > 0, qed");
     pub const DEFAULT_OFFSET_INDEX_REQUIRE_SEGMENT_FSYNC: bool = false;
     pub const DEFAULT_PREALLOCATE_SEGMENTS: bool = false;
-    pub const DEFAULT_WRITE_BUFFER_SIZE: usize = 4 * 1024;
+    pub const DEFAULT_WRITE_BUFFER_SIZE: usize = 8 * 1024;
 
     pub const DEFAULT: Self = Self {
         log_format_version: DEFAULT_LOG_FORMAT_VERSION,