Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:
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#vi /etc/sysctl.conf
; _+ E* C6 S, E* e1 i& V. R" w5 V### 寥脩頂蝯梯園蝞∠ ###
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# 憭扳獢inode敹怠1 D( R, j+ `2 ^ n
fs.file-max = 2097152$ ^2 Q. g/ ~" [2 m3 ~5 K+ Z* w' c
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3 @; D, q3 p9 P( ~# 頛撠鈭斗
* {) i4 u7 f* ]/ k; |vm.swappiness = 10
1 ^1 ?8 o. e9 v* `vm.dirty_ratio = 60
/ y7 T1 J9 O% j6 Ovm.dirty_background_ratio = 2
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### 銝祉蝬脰楝摰券賊 ###$ F" J/ b0 ?+ ] {; V
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# 鋡怠(passive)TCP亦SYNACKs甈⊥6 {* J, H) v, m! O# I5 S
net.ipv4.tcp_synack_retries = 2+ T8 z* W, O. O/ q4 L
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" t9 Y& Z2 ~ j! i# 閮望祆蝬脰楝仿蝭# W! N1 A6 R% a
net.ipv4.ip_local_port_range = 2000 655355 X- j+ q: P" ?4 U
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$ D4 v1 S7 J- F# 貿CP Time-Wait靽霅
3 ^% R, X* g$ Z! K" T+ u$ Hnet.ipv4.tcp_rfc1337 = 1
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$ T& X3 ]$ E) y# 雿撠 tcp_fin_timeout connection 閮剖
) h4 X: _0 T" e( }3 l/ U Bnet.ipv4.tcp_fin_timeout = 155 R' T- |: z' ]2 y. N7 A7 \
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# 雿蝺摮瘣餅閮剖
- @' E4 l0 W3 c- ~/ |net.ipv4.tcp_keepalive_time = 300% V% v0 u: l# j5 w+ c
net.ipv4.tcp_keepalive_probes = 5( H. ? T9 x$ k; Y$ F6 \
net.ipv4.tcp_keepalive_intvl = 15# d7 ]/ R5 V6 }7 X! X- Q7 b
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' l, q0 Y0 h+ m) A### 隤踵渡雯頝舀 ###2 B7 @, J) \: z7 u: Z6 x3 y4 I3 Q3 b
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# 閮剔Socket交嗥楨摮
! P% O% d7 _; B, Mnet.core.rmem_default = 314572801 ^, y7 c! m+ D& S# ]
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0 U7 O8 C/ \! T/ t# 憭抒Socket交嗥楨摮9 d; k1 y8 [8 x5 P j: J: Y
net.core.rmem_max = 12582912
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1 c: g- G( L0 y6 x# 閮剔Socket喲蝺拙8 W) K7 [, t+ b0 O- q
net.core.wmem_default = 31457280
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# 憭抒Socket喲蝺拙
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# 憭抒雯頝舫交
# w w; f# Q" @ D; l4 unet.core.somaxconn = 4096
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9 |; ?, R! E4 `5 v# 憭抒雯頝舫亦backlog
3 ^! k4 B# A% h* c! xnet.core.netdev_max_backlog = 655364 A q$ u. j: i) e5 P
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3 z" s; `1 m4 C# 憭扯園蝺拙憭折
5 t, J. W! `: S Qnet.core.optmem_max = 25165824
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" m! S7 {5 x I$ e2 Z: v; d' x" x# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇
1 Q* j- j) p2 Z5 d6 ?' M$ c5 b# C8 u" L# This is measured in units of pages (4096 bytes)+ F8 Z! s5 ]2 _% D1 z/ _! ?4 C% k
net.ipv4.tcp_mem = 65536 131072 262144* m% A) S: d0 s$ M$ \
net.ipv4.udp_mem = 65536 131072 262144$ _5 j8 m- M7 h( D) r& j
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8 c4 Q9 Q- n5 S# z( q# 憭扯蝺拙臬蝛粹
; [6 m8 ]6 A/ E2 m. ?4 \& Mnet.ipv4.tcp_rmem = 8192 87380 16777216
! Y% M: Q5 `2 a7 @" Znet.ipv4.udp_rmem_min = 16384
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( h: H4 Z, R; h, a7 L# 憭批神亦楨摮臬蝛粹
7 j, v0 j: p9 a6 z2 @8 G$ znet.ipv4.tcp_wmem = 8192 65536 167772167 K* i5 P$ y6 R* [6 s( @4 ]
net.ipv4.udp_wmem_min = 16384
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* A/ M0 O. U' m8 z# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅
! Q3 d: K- s: ]; mnet.ipv4.tcp_max_tw_buckets = 1440000- a- ?, q2 Q" o: z
net.ipv4.tcp_tw_recycle = 10 j; Q( @/ ]* Q) g
net.ipv4.tcp_tw_reuse = 1% t1 Q' R# E y- F i
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摮瑼隞亦" J E8 A o( g! x) y* e. j
#sysctl -p 頛亙歇霈& t# ]" u$ A, R0 B
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https://easyengine.io/tutorials/linux/sysctl-conf/; R# r- r2 l* ~/ R
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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