{"id":5790,"date":"2013-11-07T09:41:55","date_gmt":"2013-11-07T01:41:55","guid":{"rendered":"http:\/\/jpuyy.com\/?p=5790"},"modified":"2014-01-08T10:37:56","modified_gmt":"2014-01-08T02:37:56","slug":"command-line-use-memcached","status":"publish","type":"post","link":"https:\/\/jpuyy.com\/?p=5790","title":{"rendered":"\u547d\u4ee4\u884c\u8bbf\u95eememcached"},"content":{"rendered":"

\u6709\u5f88\u591a\u7684web\u7aef\u548cGUI\u53ef\u4ee5\u8bbf\u95ee\u5230Memcached\u670d\u52a1\uff0c\u6bd4\u5982phpMemCacheAdmin\uff0c\u4f46\u662f\u6709\u4e9b\u65f6\u5019\u9700\u8981\u5728\u547d\u4ee4\u884c\u8fdb\u884cMemcached\u7684\u8bbf\u95ee\u3002 \u5728\u672c\u6559\u7a0b\u4e2d\u4f7f\u7528Telnet\u6765\u653b\u53d6Memcached\u4fe1\u606f\uff0c\u4ee5\u53ca\u5982\u4f55\u8bfb\u53d6\u4e0e\u5220\u9664\u6570\u636e\u3002 \u8fde\u63a5<\/p>\n

telnet localhost 11211<\/pre>\n
\u83b7\u53d6\u670d\u52a1\u4fe1\u606f\uff0c\u5982pid, uptime, version, \u6761\u76ee\u6570, \u8fde\u63a5\u6570<\/p>\n
stats<\/pre>\n
\u83b7\u53d6slab\u4fe1\u606f\uff0c\u90a3\u4e48\u4ec0\u4e48\u662fslab Memory is allocated in chunks internally and constantly reused. Since memory is broken into different size slabs, you do waste memory if your items do not fit perfectly into the slab the server chooses to put it in. Memcached\u4f1a\u6839\u636e\u4f60\u6570\u636e\u7684\u5927\u5c0f\u6765\u5b58\u653e\u4e0d\u540c\u7684slab\uff0c\u53ef\u4ee5\u7406\u89e3\u4e3a\u7247\u6216\u5206\u533a\uff0c\u8fd9\u6837\u4e0d\u4f1a\u6d6a\u8d39\u5185\u5b58\u3002<\/p>\n
stats slabs<\/pre>\n
\u83b7\u53d6\u6761\u76ee\u4fe1\u606f<\/p>\n
stats items<\/pre>\n
\u8bbf\u95ee\u548c\u5220\u9664\u6570\u636e<\/p>\n
\u77e5\u9053slab\u7684\u6982\u5ff5\u548c\u4fe1\u606f\u4e4b\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u8bbf\u95eeslab<\/p>\n
stats cachedump [slab ID] [number of items, 0 for all items]<\/pre>\n
\u5982\u5728ID=36\u7684slab\u4e2d\u67093\u4e2a\u6761\u76ee<\/p>\n
stats cachedump 36 0\r\nITEM model1 [223301 b; 1383751902 s]\r\nITEM modelNodeid1 [223301 b; 1383751902 s]\r\nITEM id1 [223300 b; 1383751902 s]\r\nEND<\/pre>\n
\u83b7\u53d6id1<\/p>\n
get id1<\/pre>\n
\u5220\u9664id1<\/p>\n
delete id1<\/pre>\n
\u9000\u51fa<\/p>\n
quit \u6216 ctrl + ]<\/pre>\n
Command Description Example<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
get<\/td>\nReads a value<\/td>\nget mykey<\/td>\n<\/tr>\n
set<\/td>\nSet a key unconditionally<\/td>\nset mykey 0 60 5<\/td>\n<\/tr>\n
add<\/td>\nAdd a new key<\/td>\nadd newkey 0 60 5<\/td>\n<\/tr>\n
replace<\/td>\nOverwrite existing key<\/td>\nreplace key 0 60 5<\/td>\n<\/tr>\n
append<\/td>\nAppend data to existing key<\/td>\nappend key 0 60 15<\/td>\n<\/tr>\n
prepend<\/td>\nPrepend data to existing key<\/td>\nprepend key 0 60 15<\/td>\n<\/tr>\n
incr<\/td>\nIncrements numerical key value by given number<\/td>\nincr mykey 2<\/td>\n<\/tr>\n
decr<\/td>\nDecrements numerical key value by given number<\/td>\ndecr mykey 5<\/td>\n<\/tr>\n
delete<\/td>\nDeletes an existing key<\/td>\ndelete mykey<\/td>\n<\/tr>\n
flush_all<\/td>\nInvalidate specific items immediately<\/td>\nflush_all<\/td>\n<\/tr>\n
Invalidate all items in n seconds<\/td>\nflush_all 900<\/td>\n<\/tr>\n
stats<\/td>\nPrints general statistics<\/td>\nstats<\/td>\n<\/tr>\n
Prints memory statistics<\/td>\nstats slabs<\/td>\n<\/tr>\n
Prints memory statistics<\/td>\nstats malloc<\/td>\n<\/tr>\n
Print higher level allocation statistics<\/td>\nstats items<\/td>\n<\/tr>\n
<\/td>\nstats detail<\/td>\n<\/tr>\n
<\/td>\nstats sizes<\/td>\n<\/tr>\n
Resets statistics<\/td>\nstats reset<\/td>\n<\/tr>\n
version<\/td>\nPrints server version.<\/td>\nversion<\/td>\n<\/tr>\n
verbosity<\/td>\nIncreases log level<\/td>\nverbosity<\/td>\n<\/tr>\n
quit<\/td>\nTerminate telnet session<\/td>\nquit<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u53c2\u8003\uff1a http:\/\/www.alphadevx.com\/a\/90-Accessing-Memcached-from-the-command-line<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6709\u5f88\u591a\u7684web\u7aef\u548cGUI\u53ef\u4ee5\u8bbf\u95ee\u5230Memcached\u670d\u52a1\uff0c\u6bd4\u5982phpMemCacheAdmin\uff0c\u4f46\u662f\u6709\u4e9b\u65f6\u5019\u9700\u8981\u5728\u547d\u4ee4\u884c\u8fdb\u884cMemcached\u7684\u8bbf\u95ee\u3002 \u5728\u672c\u6559\u7a0b\u4e2d\u4f7f\u7528Telnet\u6765\u653b\u53d6Memcached\u4fe1\u606f\uff0c\u4ee5\u53ca\u5982\u4f55\u8bfb\u53d6\u4e0e\u5220\u9664\u6570\u636e\u3002 \u8fde\u63a5 telnet localhost 11211 \u83b7\u53d6\u670d\u52a1\u4fe1\u606f\uff0c\u5982pid, uptime, version, \u6761\u76ee\u6570, \u8fde\u63a5\u6570 stats \u83b7\u53d6slab\u4fe1\u606f\uff0c\u90a3\u4e48\u4ec0\u4e48\u662fslab Memory is allocated in chunks internally and constantly reused. Since memory is broken into different size slabs, you do waste memory if your items do not fit perfectly into the slab the server chooses to put it in. Memcached\u4f1a\u6839\u636e\u4f60\u6570\u636e\u7684\u5927\u5c0f\u6765\u5b58\u653e\u4e0d\u540c\u7684slab\uff0c\u53ef\u4ee5\u7406\u89e3\u4e3a\u7247\u6216\u5206\u533a\uff0c\u8fd9\u6837\u4e0d\u4f1a\u6d6a\u8d39\u5185\u5b58\u3002 stats slabs \u83b7\u53d6\u6761\u76ee\u4fe1\u606f […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-5790","post","type-post","status-publish","format-standard","hentry","category-life"],"_links":{"self":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/5790","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5790"}],"version-history":[{"count":7,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/5790\/revisions"}],"predecessor-version":[{"id":6078,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/5790\/revisions\/6078"}],"wp:attachment":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5790"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}