Question

我在tcp-connections上有一个HAProxy平衡负载。出于某种原因，似乎棍棒表偶尔会失败。以下是我日志中的几行，我们可以看到从单个ip连接到两个后端。连接是在完全相同的时间戳下进行的，可能是棒表不是线程安全的吗？由于某种原因，过期时间仅为10秒，我们软件中的tcp连接非常粘，因此我们需要很短的过期时间来进行可能的服务器维护过程。

知道这有可能吗？为什么两个同时连接被路由到不同的后端？我们的软件无法处理这种情况，WCF用于通信。

Apr 11 14:06:07 accuna haproxy[22129]: xx.xx.133.145:12872 [11/Apr/2017:14:05:21.608] https_frontend https_backend/srv1
Apr 11 14:06:07 accuna haproxy[22129]: xx.xx.133.145:12872 [11/Apr/2017:14:05:21.608] https_frontend https_backend/srv1
Apr 11 14:06:07 accuna haproxy[22129]: xx.xx.133.145:3342 [11/Apr/2017:14:05:21.608] https_frontend https_backend/srv2 
Apr 11 14:06:07 accuna haproxy[22129]: xx.xx.133.145:3342 [11/Apr/2017:14:05:21.608] https_frontend https_backend/srv2 
Apr 11 14:06:07 accuna haproxy[22129]: xx.xx.133.145:22543 [11/Apr/2017:14:05:34.994] https_frontend https_backend/srv2
Apr 11 14:06:07 accuna haproxy[22129]: xx.xx.133.145:22543 [11/Apr/2017:14:05:34.994] https_frontend https_backend/srv2
Apr 11 14:06:07 accuna haproxy[22129]: xx.xx.133.145:26566 [11/Apr/2017:14:05:34.995] https_frontend https_backend/srv2
Apr 11 14:06:07 accuna haproxy[22129]: xx.xx.133.145:26566 [11/Apr/2017:14:05:34.995] https_frontend https_backend/srv2

HAproxy设置：

backend https_backend
       mode tcp
       option tcplog
       balance leastconn
       stick-table type ip size 200k expire 10s store conn_cur
       tcp-request content track-sc0 src
       stick on src
       server srv1 10.1.4.210:443 check
       server srv2 10.1.5.38:443 check

HAProxy棒表失败了？

0 个答案: