Disable Jemalloc on Windows

Author: danwilliams

Cargo.toml

@@ -60,7 +60,6 @@ serde_json         = { optional = true, version = "1.0.128", features = ["preser
 smart-default      = { optional = true, version = "0.7.1" }
 tera               = { optional = true, version = "1.20.0" }
 thiserror          = {                  version = "1.0.63" }
-tikv-jemalloc-ctl  = { optional = true, version = "0.6.0", features = ["stats"] }
 tokio              = {                  version = "1.40.0", features = ["fs", "io-std", "io-util", "macros", "rt-multi-thread"] }
 tokio-util         = { optional = true, version = "0.7.12", features = ["io", "io-util"] }
 tower-http         = {                  version = "0.5.2", features = ["catch-panic", "trace"] }
@@ -75,12 +74,17 @@ utoipa-redoc       = { optional = true, version = "4.0.0", features = ["axum"] }
 utoipa-swagger-ui  = { optional = true, version = "7.1.0", features = ["axum"] }
 velcro             = { optional = true, version = "0.5.4" }
 
+[target.'cfg(not(windows))'.dependencies]
+tikv-jemalloc-ctl  = { optional = true, version = "0.6.0", features = ["stats"] }
+
 [dev-dependencies]
 assert-json-diff   = "2.0.2"
 parking_lot        = "0.12.3"
 rubedo             = "0.6.2"
 serde_json         = { version = "1.0.128", features = ["preserve_order"] }
 smart-default      = "0.7.1"
+
+[target.'cfg(not(windows))'.dev-dependencies]
 tikv-jemallocator  = "0.6.0"
 
 #================================[  EXAMPLES  ]=================================

examples/api/main.rs

@@ -57,16 +57,19 @@ use terracotta::{
 	},
 	stats::worker::start as start_stats_processor,
 };
-use tikv_jemallocator::Jemalloc;
 use tracing::info;
 use utoipa::OpenApi;
 
+#[cfg(not(windows))]
+use tikv_jemallocator::Jemalloc;
+
 
 
 //		Constants
 
 /// The global allocator. This is changed to [`Jemalloc`] in order to obtain
 /// memory usage statistics.
+#[cfg(not(windows))]
 #[global_allocator]
 static GLOBAL: Jemalloc = Jemalloc;
 

examples/full/main.rs

@@ -48,16 +48,19 @@ use terracotta::{
 	},
 	stats::worker::start as start_stats_processor,
 };
-use tikv_jemallocator::Jemalloc;
 use tracing::info;
 use utoipa::OpenApi;
 
+#[cfg(not(windows))]
+use tikv_jemallocator::Jemalloc;
+
 
 
 //		Constants
 
 /// The global allocator. This is changed to [`Jemalloc`] in order to obtain
 /// memory usage statistics.
+#[cfg(not(windows))]
 #[global_allocator]
 static GLOBAL: Jemalloc = Jemalloc;
 

examples/minimal/main.rs

@@ -51,15 +51,18 @@ use terracotta::app::{
 	init::{load_config, setup_logging},
 	state::StateProvider,
 };
-use tikv_jemallocator::Jemalloc;
 use tracing::info;
 
+#[cfg(not(windows))]
+use tikv_jemallocator::Jemalloc;
+
 
 
 //		Constants
 
 /// The global allocator. This is changed to [`Jemalloc`] in order to obtain
 /// memory usage statistics.
+#[cfg(not(windows))]
 #[global_allocator]
 static GLOBAL: Jemalloc = Jemalloc;
 

src/lib.rs

@@ -57,6 +57,7 @@ pub mod stats;
 mod examples {
 	use parking_lot as _;
 	use smart_default as _;
+	#[cfg(not(windows))]
 	use tikv_jemallocator as _;
 }
 

src/stats/middleware.rs

@@ -23,8 +23,13 @@ use chrono::{NaiveDateTime, Utc};
 use core::sync::atomic::Ordering;
 use smart_default::SmartDefault;
 use std::sync::Arc;
-use tikv_jemalloc_ctl::stats::allocated as Malloc;
-use tracing::{error, warn};
+use tracing::error;
+
+#[cfg(not(windows))]
+use ::{
+	tikv_jemalloc_ctl::stats::allocated as Malloc,
+	tracing::warn,
+};
 
 
 
@@ -124,10 +129,15 @@ pub async fn stats_layer<SP: StateProvider>(
 			,
 			status_code: response.status(),
 			connections: stats_state.data.connections.load(Ordering::Relaxed) as u64,
-			memory:	     Malloc::read()
-				.inspect_err(|err| warn!("Could not read memory usage: {err}"))
-				.unwrap_or_default() as u64
-			,
+			memory:	     {
+				#[cfg(not(windows))]
+				{ Malloc::read()
+					.inspect_err(|err| warn!("Could not read memory usage: {err}"))
+					.unwrap_or_default() as u64
+				}
+				#[cfg(windows)]
+				{ 0_u64 }
+			},
 		}).await.inspect_err(|err| error!("Failed to send response time: {err}")));
 	}