Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:
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& n- e2 V7 l4 ?, Z3 @5 }- d#vi /etc/sysctl.conf
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: o8 ~' z: ?! l6 A7 H# 憭扳獢inode敹怠' E; V9 f& [7 F! O
fs.file-max = 2097152
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8 N" z) V, \1 n6 K# 頛撠鈭斗 z' R: F% J& s: k# ~2 Y: a0 y/ c
vm.swappiness = 10
, c, O1 O/ v! p3 O+ Qvm.dirty_ratio = 60
7 Y, E5 a! n- A0 q8 Cvm.dirty_background_ratio = 2: J, A+ W5 b" {1 B" @- l1 J6 y
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, [' i( s& A$ n; e* H! l### 銝祉蝬脰楝摰券賊 ###
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# 鋡怠(passive)TCP亦SYNACKs甈⊥
8 X6 V. F1 z; r3 f+ snet.ipv4.tcp_synack_retries = 28 t1 m5 Z% V& W' y5 P
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# 閮望祆蝬脰楝仿蝭 }( ^/ k. R: ?) O
net.ipv4.ip_local_port_range = 2000 655357 {- n4 a" C- k# `. Z- e! E3 r9 r
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: \' y% U6 j; S4 b7 P, X# 貿CP Time-Wait靽霅
: s6 t/ Y/ y4 \2 }4 S! Hnet.ipv4.tcp_rfc1337 = 1
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# 雿撠 tcp_fin_timeout connection 閮剖! v5 s3 V5 a5 [- R( `* ^" L
net.ipv4.tcp_fin_timeout = 158 t# S# J) h o ^* T
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# 雿蝺摮瘣餅閮剖
R" q! a* `' y6 n3 C0 Enet.ipv4.tcp_keepalive_time = 300
7 `5 O- I* q/ o v2 I& Znet.ipv4.tcp_keepalive_probes = 5' D) x+ a5 r' F6 @5 ~5 X& C
net.ipv4.tcp_keepalive_intvl = 15
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### 隤踵渡雯頝舀 ###
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# 閮剔Socket交嗥楨摮: @8 _* t8 [+ Z3 T
net.core.rmem_default = 31457280
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2 A' v1 N0 Q j" Y3 z# 憭抒Socket交嗥楨摮
2 Y4 c+ H7 e4 r2 [net.core.rmem_max = 12582912. p) b+ M* ^" F1 f' C! E- z$ H
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- [9 e# _( F2 F7 o0 p; {# 閮剔Socket喲蝺拙' q! K7 ]; {9 G& O, M( U
net.core.wmem_default = 31457280
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# 憭抒Socket喲蝺拙
% F) y4 Z# }4 X/ J6 g& W& C7 D# [5 inet.core.wmem_max = 12582912
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9 A' Y. ?/ g* V# 憭抒雯頝舫交
' L. E0 ?3 r3 j( E/ Rnet.core.somaxconn = 4096
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! _8 W# [0 N5 `. a# 憭抒雯頝舫亦backlog
/ J. u6 G9 l+ c3 e/ }- r% n2 q! ?net.core.netdev_max_backlog = 655360 ]4 `. D! w6 _, G4 e0 `% E
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# 憭扯園蝺拙憭折" u, U/ d& ^# l: c( W+ M
net.core.optmem_max = 25165824
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# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇
7 T* ?9 {9 n2 B7 U4 O0 `# This is measured in units of pages (4096 bytes)/ H3 W2 k9 f* ]* O
net.ipv4.tcp_mem = 65536 131072 262144. U0 h1 ]& w8 b# F
net.ipv4.udp_mem = 65536 131072 262144
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# 憭扯蝺拙臬蝛粹
; l) \$ [& E+ [( bnet.ipv4.tcp_rmem = 8192 87380 167772161 z' l) O% r8 y7 q/ b0 ?
net.ipv4.udp_rmem_min = 16384- F2 J, H5 o& c
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# 憭批神亦楨摮臬蝛粹3 \' l! E% r" ^3 E& {, _$ V
net.ipv4.tcp_wmem = 8192 65536 167772169 l1 Z) K5 r* k) c
net.ipv4.udp_wmem_min = 16384
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅5 X$ k8 X! \4 B9 C) h* q2 [
net.ipv4.tcp_max_tw_buckets = 1440000
) s, z5 M. v4 Q, r% S) X" ^0 e2 unet.ipv4.tcp_tw_recycle = 1
0 s# S6 q* e+ Z# ~3 K9 Snet.ipv4.tcp_tw_reuse = 1
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: _0 J. r0 \: q0 \; ]摮瑼隞亦+ ~3 ~1 M* L' S7 w7 s
#sysctl -p 頛亙歇霈, i& E4 T$ _8 g% f/ U) w
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靘皞:
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https://easyengine.io/tutorials/linux/sysctl-conf/4 k0 ]0 e3 p9 p" e: B6 D
摰ｇ砍梯批捆閬蝛擃 888999999999 舐閬踝函嗅蝛 0
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潸” 2017-8-28 11:01:58
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