Disable trimmer

common/malloc_utils/src/glibc.rs

@@ -13,13 +13,19 @@ use std::result::Result;
 use std::thread;
 use std::time::Duration;
 
+/// If true, periodically call `malloc_trim`.
+const START_TRIMMER: bool = false;
+
 /// The value to be provided to `malloc_trim`.
 ///
 /// Value sourced from:
 ///
 /// - https://man7.org/linux/man-pages/man3/mallopt.3.html
 const OPTIMAL_TRIM: c_ulong = 1_024 * 128;
 
+/// The default interval between calls to `spawn_trimmer_thread`.
+const OPTIMAL_TRIM_INTERVAL: Duration = Duration::from_secs(60 * 5);
+
 /// The value to be provided to `malloc_mmap_threshold`.
 ///
 /// Value chosen so that it will store the values of the validators tree hash cache.
@@ -36,9 +42,6 @@ const OPTIMAL_ARENA_MAX: c_int = 1;
 const M_MMAP_THRESHOLD: c_int = -4;
 const M_ARENA_MAX: c_int = -8;
 
-/// The default interval between calls to `spawn_trimmer_thread`.
-const OPTIMAL_TRIM_INTERVAL: Duration = Duration::from_secs(60 * 5);
-
 /// Environment variables used to configure malloc.
 ///
 /// Source:
@@ -126,7 +129,10 @@ pub fn configure_glibc_malloc() -> Result<(), String> {
         }
     }
 
-    *TRIMMER_THREAD_HANDLE.lock() = Some(spawn_trimmer_thread(OPTIMAL_TRIM_INTERVAL, OPTIMAL_TRIM));
+    if START_TRIMMER {
+        *TRIMMER_THREAD_HANDLE.lock() =
+            Some(spawn_trimmer_thread(OPTIMAL_TRIM_INTERVAL, OPTIMAL_TRIM));
+    }
 
     Ok(())
 }