Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:
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#vi /etc/sysctl.conf9 ^3 p6 P( G" M$ {/ B% A1 f9 x5 s! m
### 寥脩頂蝯梯園蝞∠ ###9 h U* y2 H( o) _( [
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# 憭扳獢inode敹怠
* ?9 ~0 {! s9 qfs.file-max = 2097152
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: ^# V& d' [2 d1 d* e4 H# 頛撠鈭斗
4 p: G1 O7 S% o2 Y/ \1 Jvm.swappiness = 10; R% ?/ Z6 x) t
vm.dirty_ratio = 608 z& _& [1 J2 X- A
vm.dirty_background_ratio = 21 e+ A3 W _1 W! m9 m$ g; l& D
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### 銝祉蝬脰楝摰券賊 ###2 ?9 }; y- u( g; K
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# 鋡怠(passive)TCP亦SYNACKs甈⊥ r+ M ~% o* k5 r7 C. l6 L
net.ipv4.tcp_synack_retries = 2& `5 ~$ f% `& W
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# 閮望祆蝬脰楝仿蝭& N; l" S# @2 t9 i
net.ipv4.ip_local_port_range = 2000 65535
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8 T+ E$ H8 T# F! A- P9 z% E# 貿CP Time-Wait靽霅8 u& E/ C, \+ m/ P
net.ipv4.tcp_rfc1337 = 17 _5 i! c6 \ h% n
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# 雿撠 tcp_fin_timeout connection 閮剖0 x* p9 r) k3 ^9 a, X" ^
net.ipv4.tcp_fin_timeout = 15& Q5 G2 ~5 B9 R8 h2 k+ D- m( ?
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# 雿蝺摮瘣餅閮剖
G7 F ^* }3 |% Bnet.ipv4.tcp_keepalive_time = 300+ g' b" Y2 _' C: M m& L2 ?! W' x
net.ipv4.tcp_keepalive_probes = 5% W7 z2 \& S0 f! M
net.ipv4.tcp_keepalive_intvl = 15
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### 隤踵渡雯頝舀 ###$ |0 f% X6 T- R
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8 X8 o1 x# v- v, N: d9 _/ J# 閮剔Socket交嗥楨摮
3 s- n1 h( {/ i+ X/ Mnet.core.rmem_default = 31457280
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* V3 l* @# s' V8 w4 n; k. D# 憭抒Socket交嗥楨摮
5 r) x$ D7 S% g7 Bnet.core.rmem_max = 12582912
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# h+ n9 b" V6 i! _$ F/ Q7 E) x- }# 閮剔Socket喲蝺拙
5 E5 b: P, k8 l9 H5 ~8 _* Snet.core.wmem_default = 31457280# h! W, \! ^& N2 j
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4 k2 m8 P& O5 T8 w/ _& V/ V) R# 憭抒Socket喲蝺拙6 D; P" L3 c. K
net.core.wmem_max = 12582912
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: A e) z6 I6 k* {' P" N' O8 T# 憭抒雯頝舫交1 A8 j8 Y. B8 O7 @: t3 ~0 ? Z9 Q/ f
net.core.somaxconn = 4096
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! d; [+ s! D$ I9 S1 N# 憭抒雯頝舫亦backlog( z9 n+ ^$ {% A
net.core.netdev_max_backlog = 65536' ]8 J5 Q' ]6 d# `$ R2 d& e; B7 x+ i
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) ]) [; q1 v# O# 憭扯園蝺拙憭折) E/ d% m$ ~# g# D% H. m* H; @7 s
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6 f# J6 h/ G; K# c2 o4 l
# This is measured in units of pages (4096 bytes)
* F! L5 x$ R ~net.ipv4.tcp_mem = 65536 131072 2621448 g, r f. l8 U [( L& H% u/ x
net.ipv4.udp_mem = 65536 131072 262144
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: v+ Y! Q7 o% s+ _# Q# 憭扯蝺拙臬蝛粹4 P6 [. [ u9 n- g6 {1 X9 P( ^
net.ipv4.tcp_rmem = 8192 87380 16777216
% Q- E6 K+ \. r: C4 i/ Onet.ipv4.udp_rmem_min = 16384
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" J9 |7 L) f$ `4 d& W# 憭批神亦楨摮臬蝛粹2 [ f6 e3 h9 C2 \+ v
net.ipv4.tcp_wmem = 8192 65536 16777216; e/ R) ~1 f, b1 Q% V* D
net.ipv4.udp_wmem_min = 16384/ Q) S5 k: L+ u f0 E0 {2 o' F
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅; P6 ]! y% H$ k6 \: G8 n; L
net.ipv4.tcp_max_tw_buckets = 1440000
# I* ?. X0 {6 u7 m/ p8 T; @net.ipv4.tcp_tw_recycle = 1& q: J7 x4 x/ _7 O9 b0 \
net.ipv4.tcp_tw_reuse = 10 t$ Z% {0 [# K6 A1 Q
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#sysctl -p 頛亙歇霈
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靘皞:: D6 g: `- I+ O* c5 s0 J: n. O
2 p8 h( i# d; A5 K4 k5 `- `https://easyengine.io/tutorials/linux/sysctl-conf/
' D9 v/ l7 s2 S f' a' B% j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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