Public bug reported:
This is a request to enable CONFIG_NO_HZ_FULL=y in the linux-azure
kernels(currently 4.15 and 4.18) in order to increase NVME disks
performance.
The current CONFIG_NO_HZ configuration in linux-azure kernels is the
following (tested on 4.15.0-1037, 4.15.0-1039 and 4.18.0-1011):
CONFIG_NO_HZ=y
CONFIG_NO_HZ_COMMON=y
# CONFIG_NO_HZ_FULL is not set
CONFIG_NO_HZ_IDLE=y
** Affects: linux-azure (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1818138
Title:
Add CONFIG_NO_HZ_FULL=y to linux-azure kernels
Status in linux-azure package in Ubuntu:
New
Bug description:
This is a request to enable CONFIG_NO_HZ_FULL=y in the linux-azure
kernels(currently 4.15 and 4.18) in order to increase NVME disks
performance.
The current CONFIG_NO_HZ configuration in linux-azure kernels is the
following (tested on 4.15.0-1037, 4.15.0-1039 and 4.18.0-1011):
CONFIG_NO_HZ=y
CONFIG_NO_HZ_COMMON=y
# CONFIG_NO_HZ_FULL is not set
CONFIG_NO_HZ_IDLE=y
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https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1818138/+subscriptions
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