From 541e894507f896307af00c23de1dd985bfd6daf5 Mon Sep 17 00:00:00 2001
From: bogle <elebore@hotmail.com>
Date: Sat, 26 May 2018 15:38:41 +0800
Subject: [PATCH] just update the pool configuration if the options changed,
 because recreating the pool,existed idleconnection, if any,  will be dropped
 without closing

---
 client/rpc_client.go | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/client/rpc_client.go b/client/rpc_client.go
index 1ceef41c..1b37155c 100644
--- a/client/rpc_client.go
+++ b/client/rpc_client.go
@@ -202,9 +202,12 @@ func (r *rpcClient) Init(opts ...Option) error {
 		o(&r.opts)
 	}
 
-	// recreate the pool if the options changed
+	// update pool configuration if the options changed
 	if size != r.opts.PoolSize || ttl != r.opts.PoolTTL {
-		r.pool = newPool(r.opts.PoolSize, r.opts.PoolTTL)
+		r.pool.Lock()
+		r.pool.size = r.opts.PoolSize
+		r.pool.ttl = int64(r.opts.PoolTTL.Seconds())
+		r.pool.Unlock()
 	}
 
 	return nil