feat: switch to jemalloc allocator

Signed-off-by: Fabrizio Sestito <fabrizio.sestito@suse.com>

Author: fabriziosestito

Cargo.lock

@@ -47,6 +47,9 @@ mockall_double = "0.3"
 axum = { version = "0.7.5", features = ["macros", "query"] }
 axum-server = { version = "0.6", features = ["tls-rustls"] }
 tower-http = { version = "0.5.2", features = ["trace"] }
+tikv-jemallocator = { version = "0.5.4", features = [
+  "unprefixed_malloc_on_supported_platforms",
+] }
 
 [dev-dependencies]
 mockall = "0.12"

Cargo.toml

@@ -10,6 +10,15 @@ use policy_server::metrics::setup_metrics;
 use policy_server::tracing::setup_tracing;
 use policy_server::PolicyServer;
 
+use tikv_jemallocator::Jemalloc;
+
+#[global_allocator]
+static GLOBAL: Jemalloc = Jemalloc;
+
+#[allow(non_upper_case_globals)]
+#[export_name = "malloc_conf"]
+pub static malloc_conf: &[u8] = b"background_thread:true,tcache_max:4096,dirty_decay_ms:5000,muzzy_decay_ms:5000,abort_conf:true\0";
+
 #[tokio::main]
 async fn main() -> Result<()> {
     let matches = cli::build_cli().get_matches();