Some guys did initial setup of servers and they moved on now we see lot of network issues on new servers
I want to find a way to compare servers ( New vs old ) to check any specific tuning which was done at network level
OS : RHEL 6.3
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What types of issues are you seeing on the new servers? – ewwhite Mar 12 '16 at 03:21
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we see packets loss, connection drops and performance issues, its hard to digest server config can cause these issues but i want to look at all possible options – DevOps_101 Mar 12 '16 at 03:24
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What type of server hardware is being used? – ewwhite Mar 12 '16 at 03:25
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I suspect all you need to do is compare the contents of /etc/sysconfig/network-scripts/ and /etc/sysctl.conf.
There's a chance other steps have been taken for tuning; for instance, the Red hat tuned-adm profiles... But I think this requires better troubleshooting steps.
If you're having an issue with NIC buffers, you can also look at the ethtool ring buffer settings on each server.
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After debugging, found out these settings wont help to resolve existing issue but were missing on new batch of servers so its good catch, looks like 2 nic on these servers are connected to different subnets causing chaos Thanks again for pointers – DevOps_101 Mar 15 '16 at 03:18