diff --git a/tesseract/genconf/env.go b/tesseract/genconf/env.go
index 94ef42f..3f39622 100644
--- a/tesseract/genconf/env.go
+++ b/tesseract/genconf/env.go
@@ -35,6 +35,10 @@ func generateEnv(yamlFile string, wantDiff bool, allowWrite bool, useColor bool)
 			fmt.Sprintf("--origin=%s", logEntry.Origin),
 			fmt.Sprintf("--storage_dir=%s", logEntry.LocalDirectory),
 			fmt.Sprintf("--roots_pem_file=%s", rootsPemPath),
+			"--batch_max_size=512",
+			"--batch_max_age=500ms",
+			"--pushback_max_outstanding=4096",
+			"--pushback_max_dedupe_in_flight=250",
 		}
 
 		// Add http_endpoint if Listen is specified