uses tikv_jemallocator::Jemalloc as the global allocator (backport #2…

…0149) (#20166) * uses tikv_jemallocator::Jemalloc as the global allocator (#20149) #16346 switched default allocator from jemalloc to system allocator, but that has shown regressions in form of higher ram usage causing nodes go OOM: https://discord.com/channels/428295358100013066/439194979856809985/890413193858539580 This commit sets jemalloc as the default allocator. (cherry picked from commit 2cf081d) # Conflicts: # Cargo.lock * removes backport merge conflicts Co-authored-by: behzad nouri <[email protected]>
solana-labs · Sep 24, 2021 · 085f5f9 · 085f5f9
1 parent e757e51
commit 085f5f9
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diff --git a/Cargo.lock b/Cargo.lock
diff --git a/validator/Cargo.toml b/validator/Cargo.toml
@@ -50,6 +50,9 @@ solana-version = { path = "../version", version = "=1.7.13" }
 solana-vote-program = { path = "../programs/vote", version = "=1.7.13" }
 symlink = "0.1.0"
 
+[target.'cfg(not(target_env = "msvc"))'.dependencies]
+jemallocator = {package = "tikv-jemallocator", version = "0.4.1"}
+
 [target."cfg(unix)".dependencies]
 libc = "0.2.81"
 signal-hook = "0.1.15"

diff --git a/validator/src/main.rs b/validator/src/main.rs
@@ -78,6 +78,13 @@ use {
     },
 };
 
+#[cfg(not(target_env = "msvc"))]
+use jemallocator::Jemalloc;
+
+#[cfg(not(target_env = "msvc"))]
+#[global_allocator]
+static GLOBAL: Jemalloc = Jemalloc;
+
 #[derive(Debug, PartialEq)]
 enum Operation {
     Initialize,