We just switched our one of our php project to use Redis/Haproxy as solution for storing session. The issue we are facing is once in one or two months, the project will randomly lost session. We have to refresh the same page 10~30 times to see that issue. If we restart Haproxy, it seems working again. But, we don't want our client to experience same issue every couple weeks. Is there any thing I should pay attention to?
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