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This is extremely useful ioatdmaa process monitoring. Secondly, always use latest Intel Network Driver igb. Thanks for sharing, This is really good oneI will keep visiting your blog, You have shared an interesting blog!! Now, the igb driver is different to ixgbe which is 10GBps one. Sign up using Email and Password.
Useful kernel and driver performance tweaks for your Linux server at time to bleed by Joe Damato
Home Questions Tags Users Unanswered. For example, to set the packet size to 1, use:. NAPI provides two major features If your NIC supports this feature, you can enable it with ethtool: Following are the configurations — Kernel I am using is 2. You can view the current setting with: Kernel is Linux or-rtlb GreenReaper 1 12 I like this post!
linux kernel – IOATDMA is not being used by network drivers – Stack Overflow
This article is going to address some kernel and driver tweaks that are interesting and useful. Before starting, update complete server like BIOS including hard drive firmware. Right, as guys stated what does “dmesg grep DCA” show?
NAPI allows drivers oiatdma run with some interrupts disabled during times of high traffic, with a corresponding decrease in system load. For the ee there are two dynamic interrupt throttle mechanisms, specified on the command line as 1 dynamic and 3 dynamic conservative.
The ee koatdma allows you to pass a command line option InterruptThrottleRate. Sign up using Facebook. If that is the case, see my last blog post for how to enable DCA manually.
I/O Acceleration Technology
Make sure to select the correct kernel version because docs change as the source changes!
This frees up the CPU to do more useful work. Reducing the rate at which the linx fires allows for fewer interruptions of your running processes. If you want the value to be lower, you can set it using sysctl.
So it’s probably a good thing that it’s not working.