fix: use new memory allocator 'jemallocator'

This will likely avoid having memory fragmentation resulting in RES memory not being correctly released.

mithril-common/Cargo.toml

@@ -86,6 +86,9 @@ mithril-stm = { path = "../mithril-stm", version = "0.3", default-features = fal
 ] }
 wasm-bindgen = "0.2.90"
 
+[target.'cfg(not(target_env = "msvc"))'.dependencies]
+tikv-jemallocator = { version = "0.5.4", optional = true }
+
 [dev-dependencies]
 criterion = { version = "0.5.1", features = ["html_reports", "async_tokio"] }
 mockall = "0.12.1"
@@ -104,7 +107,7 @@ mithril-build-script = { path = "../internal/mithril-build-script", version = "=
 default = []
 
 # Full feature set
-full = ["random", "fs", "test_tools"]
+full = ["random", "fs", "test_tools", "jemallocator"]
 random = ["rand_core/getrandom"]
 fs = [
     "tokio/fs",
@@ -116,6 +119,7 @@ fs = [
     "dep:pallas-primitives",
     "dep:pallas-traverse",
 ]
+jemallocator = ["dep:tikv-jemallocator"]
 
 # Disable signer certification, to be used only for tests
 allow_skip_signer_certification = []

mithril-common/src/lib.rs

@@ -50,6 +50,15 @@ macro_rules! cfg_test_tools {
     }
 }
 
+macro_rules! cfg_jemallocator {
+    ($($item:item)*) => {
+        $(
+            #[cfg(all(not(target_env = "msvc"), feature = "jemallocator"))]
+            $item
+        )*
+    }
+}
+
 pub mod api_version;
 pub mod certificate_chain;
 pub mod chain_observer;
@@ -86,3 +95,11 @@ pub const MITHRIL_API_VERSION_HEADER: &str = "mithril-api-version";
 
 /// Mithril Signer node version header name
 pub const MITHRIL_SIGNER_VERSION_HEADER: &str = "signer-node-version";
+
+// Memory allocator
+cfg_jemallocator! {
+    use tikv_jemallocator::Jemalloc;
+
+    #[global_allocator]
+    static GLOBAL: Jemalloc = Jemalloc;
+}