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麒麟操作系統(tǒng)是一款基于Linux內(nèi)核的開(kāi)源操作系統(tǒng),具有高度的安全性、穩(wěn)定性和可定制性,在實(shí)際應(yīng)用中,為了提高系統(tǒng)的性能和穩(wěn)定性,我們需要對(duì)麒麟操作系統(tǒng)進(jìn)行高級(jí)調(diào)優(yōu)和配置,本文將詳細(xì)介紹如何在麒麟操作系統(tǒng)上進(jìn)行系統(tǒng)的高級(jí)調(diào)優(yōu)和配置。

系統(tǒng)性能監(jiān)控與分析
1、1 使用top命令查看系統(tǒng)資源使用情況
top命令是Linux系統(tǒng)中實(shí)時(shí)顯示進(jìn)程信息的命令,可以查看系統(tǒng)的CPU、內(nèi)存、磁盤(pán)等資源的使用情況,在終端中輸入top命令,即可查看實(shí)時(shí)的系統(tǒng)資源使用情況。
1、2 使用htop命令查看系統(tǒng)資源使用情況
htop命令是top命令的一個(gè)增強(qiáng)版,提供了更多的功能和更好的用戶(hù)體驗(yàn),在終端中輸入htop命令,即可查看實(shí)時(shí)的系統(tǒng)資源使用情況。
1、3 使用vmstat命令查看虛擬內(nèi)存統(tǒng)計(jì)信息
vmstat命令可以查看系統(tǒng)的虛擬內(nèi)存、進(jìn)程、CPU活動(dòng)等統(tǒng)計(jì)信息,在終端中輸入vmstat命令,即可查看虛擬內(nèi)存統(tǒng)計(jì)信息。
系統(tǒng)性能調(diào)優(yōu)
2、1 調(diào)整CPU調(diào)度策略
通過(guò)調(diào)整CPU調(diào)度策略,可以提高系統(tǒng)的響應(yīng)速度和處理能力,在/etc/sysctl.conf文件中,添加以下內(nèi)容:
net.core.somaxconn = 65535
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_tw_recycle = 0
net.ipv4.tcp_fin_timeout = 30
net.ipv4.tcp_keepalive_time = 1200
net.ipv4.tcp_keepalive_intvl = 30
net.ipv4.tcp_keepalive_probes = 5
net.ipv4.tcp_rmem = 4096 87380 67108864
net.ipv4.tcp_wmem = 4096 65536 67108864
net.ipv4.tcp_mtu_probing = 1
net.ipv4.tcp_congestion_control = hybla
net.ipv4.tcp_rfc1337 = 1
net.ipv4.tcp_timestamps = 1
net.ipv4.tcp_sack = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_fastopen = 3
net.ipv4.tcp_no_metrics_save = 1
net.ipv4.tcp_moderate_rcvbuf = 1
net.ipv4.tcp_low_latency = 1
net.ipv4.tcp_adv_win_scale = 1
net.ipv4.tcp_max_syn_backlog = 8192
net.ipv4.tcp_max_tw_buckets = 5000
net.ipv4.tcp_fastopen_local_portrange = 1024 65535
net.ipv4.tcp_mssdflt = 131072
net.ipv4.tcp_mtu_probing = 1
net.ipv4.tcp_congestion_control = bbr
net.ipv4.tcp_available_congestion_control = hybla bbr cubic reno
net.ipv4.tcp_congestion_control = hybla bbr cubic reno
net.ipv4.tcp_max_syn_backlog = 8192
net.ipv4.tcp_max_tw_buckets = 5000
net.ipv4.tcp_fastopen_local_portrange = 1024 65535
net.ipv4.tcp_mssdflt = 131072
net.ipv4.tcp_mtu_probing = 1
net.ipv4.tcp_congestion_control = bbr
net.ipv4.tcp_available_congestion_control = hybla bbr cubic reno
net.ipv4.tcp_congestion_control = hybla bbr cubic reno
net.core.rmem_default = 8388608
net.core.rmem_max = 16777216
net.core.wmem_default = 8388608
net.core.wmem_max = 16777216
net.core.rmem_default = 8388608
net.core.rmem_max = 16777216
net.core.wmem_default = 8388608
net.core.wmem_max = 16777216
net.core.rmem_default = 8388608
net.core.rmem_max = 16777216
net.core.wmem_default = 8388608
net.core.wmem_max = 16777216
net
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