diff --git a/Cargo.lock b/Cargo.lock
index 57115be..1ed3e3e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -141,6 +141,7 @@ dependencies = [
  "jsonwebtoken",
  "log",
  "log4rs",
+ "mimalloc",
  "moka",
  "notify",
  "pingora",
@@ -161,8 +162,6 @@ dependencies = [
  "sha2 0.11.0",
  "signal-hook",
  "subtle",
- "tikv-jemalloc-ctl",
- "tikv-jemallocator",
  "tokio",
  "tonic",
  "tower-http",
@@ -1917,6 +1916,15 @@ version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6d2cec3eae94f9f509c767b45932f1ada8350c4bdb85af2fcab4a3c14807981"
 
+[[package]]
+name = "libmimalloc-sys"
+version = "0.1.49"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a45a52f43e1c16f667ccfe4dd8c85b7f7c204fd5e3bf46c5b0db9a5c3c0b8e9"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "libyml"
 version = "0.0.5"
@@ -2043,6 +2051,15 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "mimalloc"
+version = "0.1.52"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d4139bb28d14ad1facf21d5eb8825051b326e172d216b39f6d31df53cc97862"
+dependencies = [
+ "libmimalloc-sys",
+]
+
 [[package]]
 name = "mime"
 version = "0.3.17"
@@ -2428,12 +2445,6 @@ dependencies = [
  "windows-link",
 ]
 
-[[package]]
-name = "paste"
-version = "1.0.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
-
 [[package]]
 name = "pem"
 version = "3.0.6"
@@ -3880,37 +3891,6 @@ dependencies = [
  "trackable",
 ]
 
-[[package]]
-name = "tikv-jemalloc-ctl"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3a184c43b8ab2f41df2733b55556e3f5f632f4aeaa205b1bb018f574b7f5f142"
-dependencies = [
- "libc",
- "paste",
- "tikv-jemalloc-sys",
-]
-
-[[package]]
-name = "tikv-jemalloc-sys"
-version = "0.7.1+5.3.1-0-g81034ce1f1373e37dc865038e1bc8eeecf559ce8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a2825c78386b4ae0314074867860ba9577875de945f05992c38815cbec327f0"
-dependencies = [
- "cc",
- "libc",
-]
-
-[[package]]
-name = "tikv-jemallocator"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "249f09e49ab1609436f34c776e84231bead18d6a955f119f939bdc1d847561bd"
-dependencies = [
- "libc",
- "tikv-jemalloc-sys",
-]
-
 [[package]]
 name = "time"
 version = "0.3.47"
diff --git a/Cargo.toml b/Cargo.toml
index 344eafb..2086381 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -46,8 +46,6 @@ ahash = "0.8.12"
 instant-acme = "0.8.5"
 rcgen = "0.14.8"
 log4rs = "1.4.0"
-#mimalloc = { version = "0.1.52", default-features = false }
-tikv-jemallocator = "0.7.0"
-tikv-jemalloc-ctl = { version = "0.7.0", features = ["stats"] }
+mimalloc = { version = "0.1.52", default-features = false }
 signal-hook = "0.4.4"
 sd-notify = "0.5.0"
diff --git a/src/main.rs b/src/main.rs
index 2a35e0e..d3741f4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,12 +1,10 @@
-use tikv_jemallocator::Jemalloc;
-
 mod tls;
 mod utils;
 mod web;
 
 #[global_allocator]
-static ALLOC: Jemalloc = Jemalloc;
-// static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
+// static ALLOC: Jemalloc = Jemalloc;
+static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
 // pub static A: CountingAllocator = CountingAllocator;
 
 fn main() {
diff --git a/src/utils/metrics.rs b/src/utils/metrics.rs
index 5378989..7a4e879 100644
--- a/src/utils/metrics.rs
+++ b/src/utils/metrics.rs
@@ -5,7 +5,6 @@ use prometheus::{register_histogram, register_int_counter, register_int_counter_
 use std::sync::Arc;
 use std::sync::LazyLock;
 use std::time::Duration;
-use tikv_jemalloc_ctl::{epoch, stats};
 
 pub struct MetricTypes {
     pub method: Method,
@@ -66,9 +65,17 @@ pub fn calc_metrics(metric_types: &MetricTypes) {
     RESPONSE_LATENCY.observe(metric_types.latency.as_secs_f64());
 }
 
-pub fn get_memory_usage() -> usize {
-    epoch::mib().unwrap().advance().unwrap(); // refresh stats
-    stats::allocated::mib().unwrap().read().unwrap() // bytes allocated
+pub(crate) fn get_memory_usage() -> usize {
+    std::fs::read_to_string("/proc/self/status")
+        .ok()
+        .and_then(|s| {
+            s.lines()
+                .find(|l| l.starts_with("VmRSS:"))
+                .and_then(|l| l.split_whitespace().nth(1))
+                .and_then(|v| v.parse::<usize>().ok())
+        })
+        .unwrap_or(0)
+        * 1024
 }
 
 pub fn get_open_files() -> usize {