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[红旗认证] 红旗认证辅导:利用shell命令操作Memcached

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发表于 2012-8-4 12:16:06 | 显示全部楼层 |阅读模式
 1、数据存储(假设key为zhangyan,value为12345)
2 m2 O9 {9 ~* l8 _  printf "set zhangyan 0 0 5\r\n12345\r\n" | nc 127.0.0.1 112111 Q8 S" P5 Q" |8 r% L
  STORED
( v, G: x/ h9 M$ R1 M. B  2、数据取回(假设key为zhangyan)
$ \& q. ]8 T8 c: E  printf "get zhangyan\r\n" | nc 127.0.0.1 112115 U, r: Y4 V' Z; f
  VALUE zhangyan 0 5
8 Z; F4 z9 a; P  123450 k" c2 E* i( p( r# n1 y! }
  END
4 d- p& B0 a1 y. N1 D6 \* v  ?7 s/ T# }# [  3、数值增加1(假设key为zhangyan,并且value为正整数)/ K; Q$ V2 i7 L5 W
  printf "incr zhangyan 1\r\n" | nc 127.0.0.1 112113 s( H$ O$ C, E. w3 g8 N  [
  12346
; p3 Q  n9 m0 q1 f, q- S  4、数值减少3(假设key为zhangyan,并且value为正整数)
  ~8 X  j! z  r" d" m+ `0 z  printf "decr zhangyan 3\r\n" | nc 127.0.0.1 11211; c) h& ^; ^, G0 i! z
  12343, m$ O% D. t4 J  p1 T0 N- M
  5、数据删除(假设key为zhangyan)2 d" f' l; l& U2 q) J, b6 I+ G" Y
  printf "delete zhangyan\r\n" | nc 127.0.0.1 112118 x* N; p/ o5 P3 `! k2 z$ R
  DELETED
* b# h2 c4 n( e# a: E  6、查看Memcached状态5 f% V- O& K* p. h
  printf "stats\r\n" | nc 127.0.0.1 11211( j8 T* A% a0 k8 u. t$ v
  STAT pid 3025
) S8 P  H' L* G, F  STAT uptime 41205001 [: C! }4 P( q/ ~( S
  STAT time 1228021767$ A& C. S8 k9 V! ^2 p! E+ O
  STAT version 1.2.69 G3 v" a1 J. a1 G, D1 l( P
  STAT pointer_size 32
: {+ B4 u* i) W2 I& L8 O4 U  STAT rusage_user 433.463103' g! X! N0 [3 V8 U+ N7 N% S, F
  STAT rusage_system 1224.515845
6 h8 H' A' n# V! F7 E9 S9 J$ N  z# K  STAT curr_items 1132460
9 z6 U3 D& Z0 }; p0 C- E( {* m0 e  STAT total_items 89802604 i2 K; u. Q8 [$ h" @) b$ \
  STAT bytes 1895325386' u$ e# c7 _7 w0 p8 G
  STAT curr_connections 252
# i3 i$ _$ j$ ^2 N  STAT total_connections 547850- l7 ^# U- Y% Z  ^8 P' t; b: N
  STAT connection_structures 1189
, e. E& e/ U) m/ f4 }' X2 \  STAT cmd_get 13619685! r7 j3 R% E. r- v. r9 o: N
  STAT cmd_set 8980260. J: m% U2 Z$ a) ]3 X4 D& T8 ^
  STAT get_hits 68516078 Y; M3 ~3 ~* p2 T0 E* a
  STAT get_misses 6768078
. Q6 {$ U+ K& m; {. J2 B9 u  STAT evictions 0
8 Z  k8 H7 l/ X* w: v3 H7 q8 g9 K  STAT bytes_read 160396238246
% t" W0 t! T& z# t( T# c+ A) D. |  STAT bytes_written 260080686529
6 ?9 V0 P- V! C  STAT limit_maxbytes 2147483648
4 m1 ^- T! n) W+ @  STAT threads 1
% A9 S1 f3 R! C1 U7 D# h/ I  END
7 Y7 Q0 v5 h0 f  7、模拟top命令,查看Memcached状态:3 [+ p% J1 A" B6 E
  watch "printf 'stats\r\n' | nc 127.0.0.1 11211"9 F$ U8 ^" k* |" a0 c
  或者
2 }9 X) z! ]* |5 q  watch "echo stats | nc 127.0.0.1 11211"。
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