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Re: FYI… Squid as MySql?

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On 8/02/2012 9:37 p.m., PS wrote:
Hello!

I just wanted to share something interesting that just happened on my squid server.

I had rebooted my squid server and walked away for a bit. After returning, I noticed that squid wasn't working. I found out because I was not able to browse using the proxy. After looking through the cache.log, it seemed like squid should have been running. The cache.log file said "2012/02/08 00:18:58| Squid is already running!  Process ID 1288". I did a "ps -ef | grep squid" and was not able to find anything. I also did a ps -ef | grep 1288 and no process with the number 1288 showed. Next I did a netstat -ntlp and did not see the server listening on port 3128. I wasn't sure where to look to see where this so called process ID 1288 was running.

After doing a bit of searching online, I ran into the tool called htop. I ran htop and I was able to see the process 1288. It said that it was mysql. I went ahead and killed that process and attempted to start squid again and it started up fine. Unfortunately I didn't save the info that htop provided to me. I found it kind of weird that this happened.

It is based on the contents of the PID file. Sometimes after a crash an old value is left there. It seems mysql was assigned the same ID between when that Squid process crashed and when you restarted.

Amos


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