Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:
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0 p) U$ n/ c) S6 i% V2 }/ e#vi /etc/sysctl.conf& X" p1 f W( @ e c
### 寥脩頂蝯梯園蝞∠ ###
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# 憭扳獢inode敹怠
6 K9 z+ T/ a, M Vfs.file-max = 2097152
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# 頛撠鈭斗" R3 I& x: R# i. x" M4 X
vm.swappiness = 10
) S: m# g4 W. Wvm.dirty_ratio = 60
3 c: F! L3 r3 Vvm.dirty_background_ratio = 23 D2 N, @$ M- f T
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6 c; Q( x* P1 }% `7 O) f1 ]0 w### 銝祉蝬脰楝摰券賊 ###1 M" O2 ?7 s5 W9 @
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# 鋡怠(passive)TCP亦SYNACKs甈⊥# a) _: U9 V6 ]9 C+ A) U
net.ipv4.tcp_synack_retries = 2: O# [! I/ t: F7 Y: \
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# 閮望祆蝬脰楝仿蝭
4 l# f5 H |5 g( Inet.ipv4.ip_local_port_range = 2000 655354 b6 K% U( H. B: H: u% M
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# 貿CP Time-Wait靽霅% L# h; f- x2 D8 _2 w* o; F; G
net.ipv4.tcp_rfc1337 = 1
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# 雿撠 tcp_fin_timeout connection 閮剖3 e! D+ b8 T" I- z6 C* Z
net.ipv4.tcp_fin_timeout = 15: w6 \2 {( \0 r# b ?+ Q0 q* S
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# 雿蝺摮瘣餅閮剖, N" L. O' O& [$ G( O' Z
net.ipv4.tcp_keepalive_time = 300
9 d0 o7 P# |5 t5 b9 |- ?' J7 _net.ipv4.tcp_keepalive_probes = 55 H7 s J0 a" Y; p+ s! l
net.ipv4.tcp_keepalive_intvl = 15/ q$ l' `: ^" K4 a! N- _) K
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### 隤踵渡雯頝舀 ###8 y; N) W U& f5 [1 a& B+ h6 p! a
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# 閮剔Socket交嗥楨摮1 h0 B3 w; c6 Q/ C
net.core.rmem_default = 31457280$ B9 f( x0 J' }+ a: w! o: b( z
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* i/ e7 c% U: x; T# 憭抒Socket交嗥楨摮6 o! w+ E5 F4 j( ~4 u
net.core.rmem_max = 12582912
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# 閮剔Socket喲蝺拙5 m1 M. x3 s; q! @% ?0 n: E D
net.core.wmem_default = 31457280
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$ ?9 b2 o- d7 \; T9 H# 憭抒Socket喲蝺拙- U/ @) V4 q* m) v( }* a; B
net.core.wmem_max = 12582912# R0 C' k# D2 ?1 A* u4 S
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# 憭抒雯頝舫交
7 A4 h8 ~9 n3 [ ` ~1 ?+ q) k* _net.core.somaxconn = 4096% `6 N. f q0 b; [, V
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# 憭抒雯頝舫亦backlog
8 m! P2 _" b/ r5 H' m' O; y4 Znet.core.netdev_max_backlog = 65536! M( J( ?- n( D, r
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# 憭扯園蝺拙憭折
6 F/ n0 v3 ^) O, w6 Znet.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 A! x* F7 H2 ^' w
# This is measured in units of pages (4096 bytes), c7 Y- ^) ]% }4 c7 K
net.ipv4.tcp_mem = 65536 131072 262144
& f8 B4 Y/ I" G( L7 ]net.ipv4.udp_mem = 65536 131072 262144: p9 Q) f/ K7 z9 W! X0 u
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4 J" M0 y% `5 D: k, M# 憭扯蝺拙臬蝛粹
5 c: [% m- F. i5 Fnet.ipv4.tcp_rmem = 8192 87380 16777216
* j9 F+ o3 C2 R' O/ d Enet.ipv4.udp_rmem_min = 163846 t$ Q: I! O$ U$ f
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# 憭批神亦楨摮臬蝛粹
0 T! l/ ^, ?1 ]! x: z3 ^net.ipv4.tcp_wmem = 8192 65536 16777216) H1 u, F! l' a: L" S1 V
net.ipv4.udp_wmem_min = 16384
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# o& F$ ^8 y; s" R! L# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅6 k4 o' H# i. R8 w% \
net.ipv4.tcp_max_tw_buckets = 1440000
+ g1 R" P* y9 v$ \) c+ G- f+ Anet.ipv4.tcp_tw_recycle = 1$ U6 I' I( ]7 z8 \+ D
net.ipv4.tcp_tw_reuse = 19 D" a9 M6 g \9 ]
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摮瑼隞亦
. H7 n# ?9 N, `' ]#sysctl -p 頛亙歇霈3 b \( \+ s9 X( W
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靘皞:
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6 N) H+ h$ u1 i& X, Phttps://easyengine.io/tutorials/linux/sysctl-conf/
. }/ y6 L3 d$ @4 ~& N& r摰ｇ砍梯批捆閬蝛擃 888999999999 舐閬踝函嗅蝛 0 3 P7 `% R9 p; Q# F$ \% |, v
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潸” 2017-8-28 11:01:58
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