Ticket #106 (new 优化) — at Initial Version

Opened 14 years ago

Last modified 14 years ago

squid缓存不一致问题

Reported by: chenchongqi Owned by:
Priority: major Milestone: 2012报价库5.0
Component: 报价库 Version: 报价库5.0
Keywords: squid,缓存 Cc:
Due Date:

Description

  • 问题

报价库前台做了squid缓存，但是实际上会存在squid缓存不一致的情况，因为按照正常hash去某台squid的时候，这台squid有可能队列满、响应超时等，这时候会重新hash到另一台squid去，导致同一个url会同时在多台squid有缓存，那么我们在浏览器反复刷的时候，看到的内容可能会不一致，在某段时间应用有异常的时候尤其明显。

2012/04/15 08:56:42 [error] 9054#0: *1040065103 upstream timed out 110: Connection timed out) while reading upstream, client: 192.168.237.58, server: product.pconline.com.cn, request: "GET /mobile/samsung/ HTTP/1.0", upstream: "http://192.168.239.64:8001/mobile/samsung/", host: "product.pconline.com.cn", referrer:  http://product.pconline.com.cn/mobile/nokia/"
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