liubao68 edited a comment on issue #1147:
URL:
https://github.com/apache/servicecomb-service-center/issues/1147#issuecomment-917790987
你配置的参数太特殊了, 刚好 client idle timeout = server idle timeout = pull interval =
60s
因为HTTP一般被用于短连接,通过连接超时实现复用。 当这3个参数相同的时候, 下一次pull, 获取连接, 可能刚好 server 关闭了连接,
client未感知到, 使用这个连接发生请求, 就会出现偶然错误。
默认pull interval 是 30s, 只要请求不超时, 基本可以保证链接可以持续复用, 那么概率会降低很多。 理论上3个值分别为 50s ,
60s, 30s ,保证 pull interval < client < server, 那么发生的概率会更小, 复用也最好。
pull interval > client idle > server idle 的情况,问题概率最高。
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