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Displaying posts with tag: SIGVTALRM (reset)

Stock Centos6 Ruby and a MySQL database far away
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I wanted to share a recent issue with stock Ruby on Centos6.

We run a Rails application that connects to a MySQL datastore. We're in a datacenter transformation and we deployed the application to our new datacenter though the MySQL datastore is at the other datacenter. As you can see there is about a 35ms distance between the application and the MySQL instance.



[root@host]# ping 172.x.y.19
PING 172.x.y.19 (172.x.y.19) 56(84) bytes of data.
64 bytes from 172.x.y.19: icmp_seq=1 ttl=253 time=32.6 ms
64 bytes from 172.x.y.19: icmp_seq=2 ttl=253 time=38.1 ms
64 bytes from 172.x.y.19: icmp_seq=3 ttl=253 time=36.0 ms
^C
--- 172.x.y.19 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2751ms
rtt min/avg/max/mdev = 32.656/35.600/38.101/2.250 ms


We started the Rails
















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