------- Comment From niklas.schne...@ibm.com 2020-04-21 09:50 EDT------- This setting of the affinity leads to a performance regression in streaming workloads which can be seen with e.g. by an iperf streaming test between two LPARs using ConnectX-5 based nics.
In some tests the performance would drop to 20% of the performance with older kernels. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1874062 Title: [UBUNTU 20.04] Performance floating interrupt Status in linux package in Ubuntu: New Bug description: Description will follow To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1874062/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp