perf: use jemalloc to prevent memory fragmentation (#201)

genezhang · claude · web-flow · commit 7eae1b419522 · 2026-03-09T18:20:11.000-07:00
Co-authored-by: Claude Opus 4.6 &lt;noreply@anthropic.com&gt;
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
@@ -49,8 +49,12 @@ async-trait = "0.1"
 # chdb: embedded ClickHouse (optional — only compiled when feature "embedded" is enabled)
 chdb-rust = { version = "1.3.0", optional = true }
 
+[target.'cfg(not(target_env = "msvc"))'.dependencies]
+tikv-jemallocator = { version = "0.6", optional = true }
+
 [features]
-default = []
+default = ["jemalloc"]
+jemalloc = ["tikv-jemallocator"]
 embedded = ["chdb-rust"]
 
 [dev-dependencies]
diff --git a/src/main.rs b/src/main.rs
@@ -1,3 +1,7 @@
+#[cfg(feature = "jemalloc")]
+#[global_allocator]
+static GLOBAL: tikv_jemallocator::Jemalloc = tikv_jemallocator::Jemalloc;
+
 use clap::Parser;
 use clickgraph::{config, server};
 
