perf(mcp): avoid reallocating SSE buffer on each chunk (#1153)

2026-08-25 14:53:34 +00:00 · 2026-03-14 15:47:48 -07:00
parent 71b1a6778b
commit 8753c48233
1 changed files with 3 additions and 2 deletions
@@ -212,9 +212,10 @@ impl HttpMcpTransport {
                    }
                }
            }
-            // Keep only the unprocessed trailing fragment.
+            // Keep only the unprocessed trailing fragment without allocating
+            // a new String each iteration.
            if remaining_start > 0 {
-                buffer = buffer[remaining_start..].to_string();
+                buffer.drain(..remaining_start);
            }
        }