Disable THP for jemalloc

THP won't improve performance much, but it will increase RSS usage.

Author: james58899

src/main.rs

@@ -55,11 +55,11 @@ static ALLOC: tikv_jemallocator::Jemalloc = tikv_jemallocator::Jemalloc;
 #[allow(non_upper_case_globals)]
 #[cfg(not(any(target_env = "msvc")))]
 #[unsafe(no_mangle)]
-pub static mut malloc_conf: *const c_char = c"percpu_arena:phycpu,tcache:false,dirty_decay_ms:1000,muzzy_decay_ms:0".as_ptr();
+pub static mut malloc_conf: *const c_char = c"percpu_arena:phycpu,tcache:false,thp:never,dirty_decay_ms:1000,muzzy_decay_ms:0".as_ptr();
 #[allow(non_upper_case_globals)]
 #[cfg(any(target_os = "android", target_os = "macos"))]
 #[unsafe(no_mangle)]
-pub static mut _rjem_malloc_conf: *const c_char = c"percpu_arena:phycpu,tcache:false,dirty_decay_ms:1000,muzzy_decay_ms:0".as_ptr();
+pub static mut _rjem_malloc_conf: *const c_char = c"percpu_arena:phycpu,tcache:false,thp:never,dirty_decay_ms:1000,muzzy_decay_ms:0".as_ptr();
 
 const VERSION: &str = concat!(env!("CARGO_PKG_VERSION"), "-", env!("VERGEN_GIT_SHA"));
 pub const CLIENT_VERSION: &str = "1.6.4";