diff --git a/src/Psalm/Internal/Fork/PsalmRestarter.php b/src/Psalm/Internal/Fork/PsalmRestarter.php
index 9332cdaab..e25f5627e 100644
--- a/src/Psalm/Internal/Fork/PsalmRestarter.php
+++ b/src/Psalm/Internal/Fork/PsalmRestarter.php
@@ -31,12 +31,12 @@ final class PsalmRestarter extends XdebugHandler
         'jit' => 1205,
         'validate_timestamps' => 0,
         'file_update_protection' => 0,
-        'jit_buffer_size' => 512 * 1024 * 1024,
+        'jit_buffer_size' => 128 * 1024 * 1024,
         'max_accelerated_files' => 1_000_000,
         'interned_strings_buffer' => 64,
-        'jit_max_root_traces' => 30_000_000,
-        'jit_max_side_traces' => 30_000_000,
-        'jit_max_exit_counters' => 30_000_000,
+        'jit_max_root_traces' => 1_000_000,
+        'jit_max_side_traces' => 1_000_000,
+        'jit_max_exit_counters' => 1_000_000,
         'jit_hot_loop' => 1,
         'jit_hot_func' => 1,
         'jit_hot_return' => 1,