# Copyright (c) 2020 Huawei Technologies Co., Ltd.
# A-Tune is licensed under the Mulan PSL v2.
# You can use this software according to the terms and conditions of the Mulan PSL v2.
# You may obtain a copy of Mulan PSL v2 at:
#     http://license.coscl.org.cn/MulanPSL2
# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
# PURPOSE.
# See the Mulan PSL v2 for more details.
# Create: 2020-08-27
#
# spark common A-Tune configuration
#
[main]
include = default-default

[kernel_config]
#TODO CONFIG

[bios]
Read Policy = Read Ahead
Write Policy = Write Through
I/O Policy = Direct
Access Policy = Read/Write
Drive Cache = Unchanged

[bootloader.grub2]
#TODO CONFIG

[sysfs]
kernel/mm/transparent_hugepage/defrag = never
kernel/mm/transparent_hugepage/enabled = never
block/{disk}/queue/read_ahead_kb = 2048
block/{disk}/device/queue_depth = 32
block/{disk}/queue/max_sectors_kb = 1024
block/{disk}/queue/nr_requests = 256
block/{disk}/queue/scheduler = mq-deadline
block/{disk}/queue/rq_affinity = 2
block/{disk}/queue/nomerges = 0

[systemctl]
#TODO CONFIG

[sysctl]
vm.dirty_expire_centisecs = 3000
vm.dirty_writeback_centisecs = 500
vm.min_free_kbytes = 11264
vm.dirty_ratio = 60
vm.dirty_background_ratio = 5
kernel.sched_min_granularity_ns = 10000000
kernel.sched_wakeup_granularity_ns = 15000000
kernel.sched_autogroup_enabled = 0
kernel.numa_balancing = 0

[script]
#TODO CONFIG

[ulimit]
#TODO CONFIG

[schedule_policy]
#TODO CONFIG

[check]
#TODO CONFIG

[tip]
enable BGI in raid configuration = block