Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:2 P/ C& A. [- u: N; L5 _
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#vi /etc/sysctl.conf
0 H3 v+ G7 i9 d3 _( I$ P- {/ ^### 寥脩頂蝯梯園蝞∠ ###
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# 憭扳獢inode敹怠9 z. h! B) A2 J1 D# V# l
fs.file-max = 2097152
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# 頛撠鈭斗
7 y9 `# l8 P& ^8 V9 M1 {1 \vm.swappiness = 10( O. @; ~; ]' D/ M9 b
vm.dirty_ratio = 60$ w6 e1 l. }% I; g& ?# R& N
vm.dirty_background_ratio = 2
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/ L3 V/ a% ~7 W### 銝祉蝬脰楝摰券賊 #### Y$ `7 C) X+ R* m4 _
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# 鋡怠(passive)TCP亦SYNACKs甈⊥7 s% s9 R- _( b
net.ipv4.tcp_synack_retries = 25 E" o5 q$ [! V) q1 O
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7 X; n; ?5 n) Y4 }& g6 q+ ^2 ~# 閮望祆蝬脰楝仿蝭
- F# d- a) p+ h) P/ _net.ipv4.ip_local_port_range = 2000 65535
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& ?; }' {$ p3 m# 貿CP Time-Wait靽霅
' ^0 V# W0 |+ k( m9 r, nnet.ipv4.tcp_rfc1337 = 1: }- o' s' F5 D$ W; j
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# 雿撠 tcp_fin_timeout connection 閮剖/ v7 V9 o+ B+ ?- N. M) v2 W
net.ipv4.tcp_fin_timeout = 15
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. `; K- i* U ^- ]: h# 雿蝺摮瘣餅閮剖1 c3 k: b& c3 W" c' N
net.ipv4.tcp_keepalive_time = 3006 a0 z7 ~* g( G) e- u
net.ipv4.tcp_keepalive_probes = 56 q) |( L( L' D: M2 T2 }) R+ M
net.ipv4.tcp_keepalive_intvl = 15. [- q1 t4 H& b
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+ t4 D# ~6 @6 W& @### 隤踵渡雯頝舀 ###
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- H0 M$ z. `- c% M; p; A# 閮剔Socket交嗥楨摮
: s: r: k: W( A4 _: o* Fnet.core.rmem_default = 31457280- t5 ?* M$ Z. U
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6 Q8 P& I1 @: V# w& A2 K; X2 G: E# 憭抒Socket交嗥楨摮, J( E( v( K" E8 o# B
net.core.rmem_max = 12582912
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3 D" c+ z' e3 d! R# 閮剔Socket喲蝺拙
( t! ?, G) z: C2 r1 h2 t/ cnet.core.wmem_default = 314572805 z T# u1 r% |# {
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# 憭抒Socket喲蝺拙5 U9 B0 j$ e$ n- Q; w* B
net.core.wmem_max = 12582912
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( e5 Q. n8 ~" z: r# 憭抒雯頝舫交
k, N* W& W. i1 E7 G% [4 ]net.core.somaxconn = 4096% H2 r* `# [( l* a, ^% ?* [6 C
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+ R2 g$ S4 J' i/ v8 [! }9 P# M# 憭抒雯頝舫亦backlog. `1 X1 q2 o3 `4 ~; M
net.core.netdev_max_backlog = 65536" n% [5 I- a! X# @9 O1 C
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9 ]9 q; f" d" O y1 L# 憭扯園蝺拙憭折- G l* ?0 \- ]$ D
net.core.optmem_max = 251658240 \* T+ V% x* D$ ?( L
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' o7 Q# k2 T, s8 S) E/ o# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇
0 e/ @0 F3 B0 W3 t2 I# This is measured in units of pages (4096 bytes)
/ {) V% h6 t2 K+ _3 lnet.ipv4.tcp_mem = 65536 131072 262144" s( u) H2 F, W+ o! G
net.ipv4.udp_mem = 65536 131072 262144
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6 L! L6 \8 J- v# 憭扯蝺拙臬蝛粹
# Q3 S) \& ?4 A& R% h: snet.ipv4.tcp_rmem = 8192 87380 16777216
9 x9 t& y) N. h3 s, ?; O2 R) lnet.ipv4.udp_rmem_min = 16384
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$ x$ c# m" Q/ e$ r# 憭批神亦楨摮臬蝛粹
, S3 Y& q/ J9 p* Fnet.ipv4.tcp_wmem = 8192 65536 16777216
: t; o- @# [* J, P$ Tnet.ipv4.udp_wmem_min = 16384) D; _. s& p0 p" L* c) j
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅
' Q! B9 B- `, Jnet.ipv4.tcp_max_tw_buckets = 1440000" ]0 e" \! D2 M0 g
net.ipv4.tcp_tw_recycle = 1& o l' K. c* ?% D p% s
net.ipv4.tcp_tw_reuse = 1# \ G; o* [0 M W( ?- M' B; J7 M
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摮瑼隞亦( Z& D- L( h% k
#sysctl -p 頛亙歇霈- `$ U# I5 D& H5 s
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靘皞:
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6 ^9 D X( t0 s2 U$ yhttps://easyengine.io/tutorials/linux/sysctl-conf/
' f( D; m- E) s& p, S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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