Edit file File name : tuned.conf Content :# # tuned configuration # [main] summary=Optimize for aws ec2 instances include=throughput-performance # Marvell ThunderX [bootloader.thunderx] # rhbz:1836058 type=bootloader uname_regex=aarch64 cmdline=+iommu.strict=0 [bootloader] # https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/nvme-ebs-volumes.html#timeout-nvme-ebs-volumes # set nvme_core.io_timeout to 4294967295 # https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking-ena.html # set net.ifnames to 0 cmdline=+net.ifnames=0 nvme_core.io_timeout=4294967295 Save