Increase the size of the read buffer on Deno (#501)

* Increase the size of the read buffer on Deno * PR link
smol-dot · May 3, 2023 · 5919107 · 5919107
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diff --git a/wasm-node/CHANGELOG.md b/wasm-node/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Changed
+
+- The size of the read buffer of TCP connections on Deno has been increased from 1kiB to 32kiB. This should improve the performance by reducing the number of function calls. ([#501](https://github.com/smol-dot/smoldot/pull/501))
+
 ### Fixed
 
 - Fix panic when the best block of a chain switches to being equal to the current finalized block. This can occasionally happen for parachains in case of a reorg on the relay chain. ([#497](https://github.com/smol-dot/smoldot/pull/497))

diff --git a/wasm-node/javascript/src/index-deno.ts b/wasm-node/javascript/src/index-deno.ts
@@ -249,7 +249,7 @@ function connect(config: ConnectionConfig, forbidTcp: boolean, forbidWs: boolean
                 config.onMessage(readBuffer.slice(0, outcome));
                 return read(readBuffer)
             }
-                ; read(new Uint8Array(1024));
+                ; read(new Uint8Array(32768));
 
             return established;
         });