diff --git a/patches/main/0020-change-make-threads-alloc-more-aggressive.patch b/patches/main/0020-change-make-threads-alloc-more-aggressive.patch
new file mode 100644
index 0000000..41b989a
--- /dev/null
+++ b/patches/main/0020-change-make-threads-alloc-more-aggressive.patch
@@ -0,0 +1,31 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: ishland <ishlandmc@yeah.net>
+Date: Mon, 27 Jan 2025 11:05:26 +0800
+Subject: [PATCH] change: make threads alloc more aggressive
+
+Backported from 2c331e72d09388b4199377397f44d270cf672713 with small changes
+
+diff --git a/c2me-base/src/main/java/com/ishland/c2me/base/ModuleEntryPoint.java b/c2me-base/src/main/java/com/ishland/c2me/base/ModuleEntryPoint.java
+index 404ef427..9fd23703 100644
+--- a/c2me-base/src/main/java/com/ishland/c2me/base/ModuleEntryPoint.java
++++ b/c2me-base/src/main/java/com/ishland/c2me/base/ModuleEntryPoint.java
+@@ -18,14 +18,11 @@ public class ModuleEntryPoint {
+                         1,
+                         min(
+                             if( is_windows,
+-                                (cpus / 1.6 - 2),
+-                                (cpus / 1.2 - 2)
+-                            ),
+-                            if( is_j9vm,
+-                                ( ( mem_gb - (if(is_client, 0.6, 0.2)) ) / 0.4 ),
+-                                ( ( mem_gb - (if(is_client, 1.2, 0.6)) ) / 0.6 )
+-                            )
+-                        ) - if(is_client, 2, 0)
++                                (cpus / 1.6),
++                                (cpus / 1.3)
++                            )  - if(is_client, 1, 0),
++                            ( ( mem_gb - (if(is_client, 1.2, 0.6)) ) / 0.6 )
++                        )
+                     )
+                 \040""";
+ 
diff --git a/patches/main/0021-new-allow-setting-thread-priority.patch b/patches/main/0021-new-allow-setting-thread-priority.patch
new file mode 100644
index 0000000..40cc471
--- /dev/null
+++ b/patches/main/0021-new-allow-setting-thread-priority.patch
@@ -0,0 +1,40 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: ishland <ishlandmc@yeah.net>
+Date: Mon, 27 Jan 2025 11:24:56 +0800
+Subject: [PATCH] new: allow setting thread priority
+
+Backported from 333ab1a32ab01ee899776b230f9ed13089ded1f5
+
+diff --git a/c2me-base/src/main/java/com/ishland/c2me/base/ModuleEntryPoint.java b/c2me-base/src/main/java/com/ishland/c2me/base/ModuleEntryPoint.java
+index 9fd23703..e70e6c80 100644
+--- a/c2me-base/src/main/java/com/ishland/c2me/base/ModuleEntryPoint.java
++++ b/c2me-base/src/main/java/com/ishland/c2me/base/ModuleEntryPoint.java
+@@ -36,6 +36,16 @@ public class ModuleEntryPoint {
+                     """.indent(1))
+             .getString(DEFAULT_EXPRESSION, DEFAULT_EXPRESSION);
+ 
++    public static final long threadPoolPriority = new ConfigSystem.ConfigAccessor()
++            .key("threadPoolPriority")
++            .comment("""
++                    Sets the thread priority for worker threads
++                    
++                    References:
++                    - https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/lang/Thread.html#setPriority(int)
++                    """)
++            .getLong(Thread.NORM_PRIORITY - 1, Thread.NORM_PRIORITY - 1, ConfigSystem.LongChecks.POSITIVE_VALUES_ONLY);
++
+     public static final int defaultParallelism;
+ 
+     private static int tryEvaluateExpression(String expression) {
+diff --git a/c2me-base/src/main/java/com/ishland/c2me/base/common/GlobalExecutors.java b/c2me-base/src/main/java/com/ishland/c2me/base/common/GlobalExecutors.java
+index e5a81999..34485a08 100644
+--- a/c2me-base/src/main/java/com/ishland/c2me/base/common/GlobalExecutors.java
++++ b/c2me-base/src/main/java/com/ishland/c2me/base/common/GlobalExecutors.java
+@@ -14,6 +14,7 @@ public class GlobalExecutors {
+     private static final AtomicInteger prioritizedSchedulerCounter = new AtomicInteger(0);
+     public static final ExecutorManager prioritizedScheduler = new ExecutorManager(GlobalExecutors.GLOBAL_EXECUTOR_PARALLELISM, thread -> {
+         thread.setDaemon(true);
++        thread.setPriority(Math.max(Thread.MIN_PRIORITY, Math.min(Thread.MAX_PRIORITY, (int) ModuleEntryPoint.threadPoolPriority)));
+         thread.setName("c2me-worker-%d".formatted(prioritizedSchedulerCounter.getAndIncrement()));
+     });
+