try with simplified buffer

Author: ptiurin

test/integration/v2/stream.test.ts

@@ -389,10 +389,9 @@ describe("streams", () => {
             );
           }
 
-          const json = JSON.stringify(row);
-          const jsonBuffer = Buffer.from(json + "\n", "utf8");
-
-          this.push(jsonBuffer);
+          // Simply pass through the row object instead of creating buffers
+          // This avoids creating 100k Buffer objects
+          this.push(row);
 
           if (rowCount === seriesNum) {
             const transformEnd = Date.now();