From: Yingxin Cheng <yingxincheng@gmail.com>
Date: Thu, 11 Apr 2019 14:23:10 +0000 (+0800)
Subject: crimson/net: increase out buffer to 65536
X-Git-Tag: v15.1.0~2798^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F27788%2Fhead;p=ceph.git

crimson/net: increase out buffer to 65536

Signed-off-by: Yingxin Cheng <yingxincheng@gmail.com>
---

diff --git a/src/crimson/net/Socket.h b/src/crimson/net/Socket.h
index 5191a2b52071..a43a7f5a0bb2 100644
--- a/src/crimson/net/Socket.h
+++ b/src/crimson/net/Socket.h
@@ -35,7 +35,9 @@ class Socket
     : sid{seastar::engine().cpu_id()},
       socket(std::move(_socket)),
       in(socket.input()),
-      out(socket.output()) {}
+      // the default buffer size 8192 is too small that may impact our write
+      // performance. see seastar::net::connected_socket::output()
+      out(socket.output(65536)) {}
 
   Socket(Socket&& o) = delete;