release dashmap memory (#1485)

2026-05-07 18:24:36 +00:00 · 2025-10-18 12:48:04 +08:00
parent 8f1786fa23
commit cc8f35787e
29 changed files with 339 additions and 187 deletions
@@ -513,6 +513,7 @@ impl<C: NatDstConnector> TcpProxy<C> {
                        true
                    }
                });
+                syn_map.shrink_to_fit();
                tokio::time::sleep(Duration::from_secs(10)).await;
            }
        };
@@ -706,6 +707,12 @@ impl<C: NatDstConnector> TcpProxy<C> {
    ) {
        conn_map.remove(&nat_entry.id);
        addr_conn_map.remove_if(&nat_entry.src, |_, entry| entry.id == nat_entry.id);
+        if conn_map.capacity() - conn_map.len() > 16 {
+            conn_map.shrink_to_fit();
+        }
+        if addr_conn_map.capacity() - addr_conn_map.len() > 16 {
+            addr_conn_map.shrink_to_fit();
+        }
    }

    async fn connect_to_nat_dst(