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gdb/DB: When the database connection appears io/timeout, the entire server is lost #4229

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chaegumi opened this issue Mar 28, 2025 · 1 comment
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@chaegumi
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chaegumi commented Mar 28, 2025

What do you want to ask?

我最近面临一个很奇怪的问题,
我一台阿里云ecs服务器连接阿里云的rds数据库服务器,当连接数据库出现read udp 127.0.0.1:42533->127.0.0.53:53: i/o timeout,这个时候我整个服务器硬盘突发读写很高,整个服务器都卡住,ssh也连接不了,只能到阿里云后台去重启服务器。但是我别的服务器,连接同样的rds是正常的,rds服务器也是正常的。

是因为数据库超时后,数据库连接池锁住io了吗?需要怎么配置才能自动处理这个问题。

有一个情况补充,我最近有修改rds的connect_timeout。默认是10,2025年2月26日 11:13:15改为20,然后2025年3月5日 09:13:50改为60,刚才我怀疑是不是这个修改造成的,我2025年3月28日 15:10:25改回10了。

2025年3月17日 11:09:36第一次出现这种情况

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What do you want to ask?

I've been facing a very strange problem recently.
I am connected to Alibaba Cloud's rds database server. When I connect to the database, I read udp 127.0.0.1:42533->127.0.0.53:53: i/o timeout. At this time, my entire server hard disk burst read and write very high, the entire server is stuck, and I can't connect to ssh, so I can only go to the Alibaba Cloud backend to restart the server. However, it is normal for me to connect to the same rds server for other servers, and it is also normal for the rds server

@Issues-translate-bot Issues-translate-bot changed the title gdb/DB: 当数据库连接出现io/timeout时,整个服务器当掉 gdb/DB: When the database connection appears io/timeout, the entire server is lost Mar 28, 2025
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