{"id":655,"date":"2015-08-14T21:36:22","date_gmt":"2015-08-14T13:36:22","guid":{"rendered":"http:\/\/www.ipcpu.com\/?p=655"},"modified":"2015-08-14T21:36:22","modified_gmt":"2015-08-14T13:36:22","slug":"memcached-memory","status":"publish","type":"post","link":"https:\/\/c.ipcpu.com\/2015\/08\/memcached-memory\/","title":{"rendered":"Memcached\u4e13\u9898\u4e8c\u3001\u5185\u5b58\u7ba1\u7406\u548c\u72b6\u6001\u76d1\u6d4b"},"content":{"rendered":"

Memcached\u4e13\u9898\u4e8c\u3001\u5185\u5b58\u7ba1\u7406\u548c\u72b6\u6001\u76d1\u6d4b.md<\/p>\n

\u4e00\u3001Memcached\u5185\u5b58\u7ba1\u7406<\/h2>\n

Memcached\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u91c7\u7528\u4e86\u540d\u4e3aSlab Allocator\u7684\u673a\u5236\u5206\u914d\u3001\u7ba1\u7406\u5185\u5b58\u3002\u5728\u8be5\u673a\u5236\u51fa\u73b0\u4ee5\u524d\uff0c\u5185\u5b58\u7684\u5206\u914d\u662f\u901a\u8fc7\u5bf9\u6240\u6709\u8bb0\u5f55\u7b80\u5355\u5730\u8fdb\u884cmalloc\u548cfree\u6765\u8fdb\u884c\u7684\u3002\u4f46\u662f\uff0c\u8fd9\u79cd\u65b9\u5f0f\u4f1a\u5bfc\u81f4\u5185\u5b58\u788e\u7247\uff0c\u52a0\u91cd\u64cd\u4f5c\u7cfb\u7edf\u5185\u5b58\u7ba1\u7406\u5668\u7684\u8d1f\u62c5\uff0c\u6700\u574f\u7684\u60c5\u51b5\u4e0b\uff0c\u4f1a\u5bfc\u81f4\u64cd\u4f5c\u7cfb\u7edf\u6bd4memcached\u8fdb\u7a0b\u672c\u8eab\u8fd8\u6162\u3002Slab Allocator\u5c31\u662f\u4e3a\u89e3\u51b3\u8be5\u95ee\u9898\u800c\u8bde\u751f\u7684\u3002
\n\u5f53\u6211\u4eec\u4f7f\u7528\u547d\u4ee4 set(key, value) \u5411 memcached \u63d2\u5165\u4e00\u6761\u6570\u636e, memcached \u5185\u90e8\u662f\u5982\u4f55\u7ec4\u7ec7\u6570\u636e\u5462\uff1f<\/p>\n

1.1\u3001\u628a\u6570\u636e\u7ec4\u88c5\u6210 item<\/h4>\n

memcached \u63a5\u53d7\u5230\u5ba2\u6237\u7aef\u7684\u6570\u636e\u540e, \u628a\u6570\u636e\u7ec4\u88c5\u6210 item, item \u7684\u683c\u5f0f\u5982\u4e0b:
\n\"wpid-3e923ff0f36d3b40ab5d37a608495909_58d8807f-dee1-4a06-9ec9-626ad2ee5659.jpg\"<\/a>
\n1.2\u3001\u4e3a item \u5206\u914d\u5b58\u50a8\u7a7a\u95f4
\n\u628a\u6570\u636e\u7ec4\u88c5\u6210 item \u4e4b\u524d, \u5fc5\u987b\u4e3a item \u5206\u914d\u5b58\u50a8\u7a7a\u95f4, memcached \u4e0d\u662f\u76f4\u63a5\u4ece\u64cd\u4f5c\u7cfb\u7edf\u5206\u914d\u5185\u5b58\u7684, memcached\u5185\u90e8\u4f7f\u7528\u4e86\u7c7b\u4f3c\u5185\u5b58\u6c60\u7684\u4e1c\u897f, \u5373slab\u673a\u5236, \u6765\u7ba1\u7406\u5185\u5b58. \u5185\u5b58\u7684\u5206\u914d\u548c\u56de\u6536\u90fd\u4ea4\u7ed9 slab \u5b50\u7cfb\u7edf\u5b9e\u73b0. \u6240\u4ee5\u6211\u4eec\u5148\u7406\u89e3slab, \u518d\u56de\u8fc7\u5934\u6765\u770b\u5982\u4f55\u4e3a item \u5206\u914d\u5b58\u50a8\u7a7a\u95f4.<\/p>\n

1.3\u3001\u4f7f\u7528 slab \u7ba1\u7406\u5185\u5b58<\/h4>\n

memcached \u4e2d, \u5185\u5b58\u7684\u5206\u914d\u548c\u56de\u6536, \u90fd\u662f\u901a\u8fc7 slab \u5b9e\u73b0\u7684, slab\u673a\u5236\u76f8\u5f53\u4e8e\u5185\u5b58\u6c60\u673a\u5236, \u5b9e\u73b0\u4ece\u64cd\u4f5c\u7cfb\u7edf\u5206\u914d\u4e00\u5927\u5757\u5185\u5b58, \u7136\u540e memcached \u81ea\u5df1\u7ba1\u7406\u8fd9\u5757\u5185\u5b58, \u8d1f\u8d23\u5206\u914d\u4e0e\u56de\u6536. \u63a5\u4e0b\u6765\u6211\u4eec\u8be6\u7ec6\u5256\u6790 slab \u673a\u5236.
\n1.3.1 \u5173\u4e8e slabclass<\/strong>
\n\u50cf\u4e00\u822c\u7684\u5185\u5b58\u6c60\u4e00\u6837, \u4ece\u64cd\u4f5c\u7cfb\u7edf\u5206\u914d\u5230\u4e00\u5927\u5757\u5185\u5b58\u540e, \u4e3a\u4e86\u65b9\u4fbf\u7ba1\u7406, \u628a\u8fd9\u5927\u5757\u5185\u5b58\u5212\u5206\u4e3a\u5404\u79cd\u5927\u5c0f\u7684 chunk,chunk\u7684\u5927\u5c0f\u6309\u7167\u4e00\u5b9a\u6bd4\u4f8b\u9010\u6e10\u9012\u589e, \u5982\u4e0b\u56fe\u6240\u793a:
\n\"wpid-3e923ff0f36d3b40ab5d37a608495909_5a28a450-1bac-4c6b-9705-c326b641a743.jpg\"<\/a>
\n\u4ece slab \u5206\u914d\u5185\u5b58\u7684\u65f6\u5019, \u6839\u636e\u8bf7\u6c42\u5185\u5b58\u5757\u7684\u5927\u5c0f, \u627e\u5230\u5927\u5c0f\u6700\u5408\u9002\u7684 chunk \u6240\u5728\u7684 slabclass, \u7136\u540e\u4ece\u8fd9\u4e2a
\nslabclass \u627e\u7a7a\u95f2\u7684 chunk \u5206\u914d\u51fa\u53bb. \u6240\u8c13\u6700\u5408\u9002\u5c31\u662f\u6307 chunk \u7684\u5927\u5c0f\u80fd\u591f\u6ee1\u8db3\u8981\u6c42, \u800c\u4e14\u788e\u7247\u6700\u5c0f.
\n\u5982\u4e0b\u56fe\u6240\u793a:
\n\"wpid-3e923ff0f36d3b40ab5d37a608495909_c252400c-83e8-4472-b304-ea12111dbdb3.jpg\"
\n\u8fd9\u79cd\u5206\u914d\u65b9\u5f0f\u7684\u7f3a\u70b9\u662f\u5b58\u5728\u5185\u5b58\u788e\u7247, \u4f8b\u5982, \u5c06 100\u5b57\u8282\u7684 item \u5b58\u50a8\u5230\u4e00\u4e2a 128 \u5b57\u8282\u7684 chunk, \u5c31\u6709 28 \u5b57\u8282\u7684\u5185\u5b58\u6d6a\u8d39, \u5982\u4e0b\u56fe\u6240\u793a:
\n\"wpid-3e923ff0f36d3b40ab5d37a608495909_6a58f9a0-aaba-4c80-83f6-33ae2a20acd5.jpg\"<\/a>
\n1.3.2 slabclass \u7684\u5185\u90e8\u5b9e\u73b0<\/strong>
\nslabclass \u662f\u7531 chunk size \u786e\u5b9a\u7684, \u540c\u4e00\u4e2a slabclass \u5185\u7684 chunk \u5927\u5c0f\u90fd\u4e00\u6837, \u6bcf\u4e00\u4e2a slabclass \u8981\u8d1f\u8d23\u7ba1\u7406\u4e00\u4e9b\u5185\u5b58, \u521d\u59cb\u65f6, \u7cfb\u7edf\u4e3a\u6bcf\u4e2a slabclass \u5206\u914d\u4e00\u4e2a slab, \u4e00\u4e2a slab \u5c31\u662f\u4e00\u4e2a\u5185\u5b58\u5757, \u5176\u5927\u5c0f\u7b49\u4e8e 1M. \u7136\u540e\u6bcf\u4e2aslabclass \u518d\u628a slab \u5207\u5206\u6210\u4e00\u4e2a\u4e2a chunk, \u7b97\u4e00\u4e0b, \u4e00\u4e2a slab \u53ef\u4ee5\u5207\u5206\u5f97\u5230 1M\/chunk_size \u4e2achunk.
\n1.3.3 \u5185\u5b58\u56de\u6536<\/strong>
\n\u5f53 memcached \u6ca1\u6709\u8db3\u591f\u7684\u5185\u5b58\u4f7f\u7528\u65f6, \u5fc5\u987b\u9009\u62e9\u6027\u5730\u56de\u6536\u4e00\u4e9b item, \u56de\u6536\u91c7\u7528 LRU \u7b97\u6cd5, \u8fd9\u5c31\u9700\u8981\u7ef4\u62a4
\n\u4e00\u4e2a\u6309\u7167\u6700\u8fd1\u8bbf\u95ee\u65f6\u95f4\u6392\u5e8f\u7684 LRU \u961f\u5217. \u5728 memcached \u4e2d,\u6bcf\u4e2a slabclass \u7ef4\u62a4\u4e00\u4e2a\u94fe\u8868, \u6bd4\u5982 slabclass[i] \u7684\u94fe\u8868\u5934\u6307\u9488\u4e3a heads[i], \u5c3e\u6307\u9488\u4e3a tails[i]\uff0c
\n\u5df2\u5206\u914d\u51fa\u53bb\u7684 item \u90fd\u5b58\u50a8\u5728\u94fe\u8868\u4e2d. \u800c\u4e14\u94fe\u8868\u4e2d item \u6309\u7167\u6700\u8fd1\u8bbf\u95ee\u65f6\u95f4\u6392\u5e8f, \u8fd9\u6837\u4e00\u4e9b\u94fe\u8868\u76f8\u5f53\u4e8eLRU \u961f\u5217.<\/p>\n

\u4e8c\u3001Memcached\u72b6\u6001\u76d1\u6d4b<\/h2>\n

\u7406\u89e3\u4e86\u4e0a\u9762\u7684\u5185\u5b58\u6a21\u578b\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u66f4\u597d\u7684\u67e5\u770b\u7cfb\u7edf\u53c2\u6570\u72b6\u6001\u4e86\u3002<\/p>\n

2.1\u3001\u67e5\u770bslab\u72b6\u6001<\/h4>\n

\u4f7f\u7528memcached\u7684\u521b\u9020\u8005Brad\u5199\u7684\u540d\u4e3amemcached-tool\u7684Perl\u811a\u672c\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u83b7\u5f97slab\u7684\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n

    \n
  1. [<\/span>root@QYER<\/span>-<\/span>1<\/span>-<\/span>17<\/span> ~]#<\/span>memcached<\/span>-<\/span>tool <\/span>10.1<\/span>.<\/span>1.17<\/span>:<\/span>11211<\/span><\/code><\/li>\n
  2. # Item_Size Max_age Pages Count Full? Evicted Evict_Time OOM<\/span><\/code><\/li>\n
  3. 1<\/span> 96B<\/span> 1136s<\/span> 17<\/span> 185673<\/span> yes <\/span>183745<\/span> 2837<\/span> 0<\/span><\/code><\/li>\n
  4. 2<\/span> 120B<\/span> 1087s<\/span> 11<\/span> 96118<\/span> yes <\/span>87761<\/span> 1464<\/span> 0<\/span><\/code><\/li>\n
  5. 3<\/span> 152B<\/span> 1082s<\/span> 14<\/span> 96572<\/span> yes <\/span>87307<\/span> 1469<\/span> 0<\/span><\/code><\/li>\n
  6. 5<\/span> 240B<\/span> 1087s<\/span> 22<\/span> 96118<\/span> yes <\/span>87763<\/span> 1464<\/span> 0<\/span><\/code><\/li>\n
  7. 7<\/span> 384B<\/span> 0s<\/span> 1<\/span> 0<\/span> no<\/span> 0<\/span> 0<\/span> 0<\/span><\/code><\/li>\n
  8. 8<\/span> 480B<\/span> 0s<\/span> 1<\/span> 0<\/span> no<\/span> 0<\/span> 0<\/span> 0<\/span><\/code><\/li>\n<\/ol>\n

    \u5e38\u7528\u5404\u5217\u7684\u542b\u4e49\u4e3a\uff1a<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
    \u5217<\/th>\n\u542b\u4e49<\/th>\n<\/tr>\n<\/thead>\n
    #<\/td>\nslab class\u7f16\u53f7<\/td>\n<\/tr>\n
    Item_Size<\/td>\nChunk\u5927\u5c0f<\/td>\n<\/tr>\n
    Max_age<\/td>\nLRU\u5185\u6700\u65e7\u7684\u8bb0\u5f55\u7684\u751f\u5b58\u65f6\u95f4<\/td>\n<\/tr>\n
    pages<\/td>\n\u5206\u914d\u7ed9Slab\u7684\u9875\u6570<\/td>\n<\/tr>\n
    Count<\/td>\nSlab\u5185\u7684\u8bb0\u5f55\u6570<\/td>\n<\/tr>\n
    Full?<\/td>\nSlab\u5185\u662f\u5426\u542b\u6709\u7a7a\u95f2chunk<\/td>\n<\/tr>\n
    Evicted<\/td>\n\u4eceLRU\u4e2d\u79fb\u9664\u672a\u8fc7\u671fitem\u7684\u6b21\u6570<\/td>\n<\/tr>\n
    Evict_Time<\/td>\n\u6700\u540e\u88ab\u79fb\u9664\u672a\u8fc7\u671f\u7f13\u5b58\u7684\u65f6\u95f4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    2.2\u3001\u67e5\u770bmemcached\u5f53\u524d\u72b6\u6001<\/h4>\n

    \u767b\u5f55\u5230memcached\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7stats\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u72b6\u6001<\/p>\n

      \n
    1. [<\/span>root@QYER<\/span>-<\/span>1<\/span>-<\/span>17<\/span> ~]#<\/span>telnet <\/span>10.1<\/span>.<\/span>1.17<\/span> 11211<\/span><\/code><\/li>\n
    2. Trying<\/span> 10.1<\/span>.<\/span>1.17<\/span>...<\/span><\/code><\/li>\n
    3. Connected<\/span> to <\/span>10.1<\/span>.<\/span>1.17<\/span>.<\/span><\/code><\/li>\n
    4. Escape<\/span> character <\/span>is<\/span> '^]'<\/span>.<\/span><\/code><\/li>\n
    5. stats<\/span><\/code><\/li>\n
    6. STAT pid <\/span>1242<\/span><\/code><\/li>\n
    7. STAT uptime <\/span>289875<\/span><\/code><\/li>\n
    8. STAT time <\/span>1482846932<\/span><\/code><\/li>\n
    9. STAT version <\/span>1.4<\/span>.<\/span>4<\/span><\/code><\/li>\n
    10. STAT pointer_size <\/span>64<\/span><\/code><\/li>\n
    11. STAT rusage_user <\/span>913.752088<\/span><\/code><\/li>\n
    12. STAT rusage_system <\/span>2416.142690<\/span><\/code><\/li>\n
    13. STAT curr_connections <\/span>5<\/span><\/code><\/li>\n
    14. STAT total_connections <\/span>17494139<\/span><\/code><\/li>\n
    15. STAT connection_structures <\/span>9<\/span><\/code><\/li>\n
    16. STAT cmd_get <\/span>1536160<\/span><\/code><\/li>\n
    17. STAT cmd_set <\/span>17379219<\/span><\/code><\/li>\n
    18. STAT cmd_flush <\/span>0<\/span><\/code><\/li>\n
    19. STAT get_hits <\/span>1536159<\/span><\/code><\/li>\n
    20. STAT get_misses <\/span>1<\/span><\/code><\/li>\n
    21. STAT delete_misses <\/span>114840<\/span><\/code><\/li>\n
    22. STAT delete_hits <\/span>2<\/span><\/code><\/li>\n
    23. STAT incr_misses <\/span>0<\/span><\/code><\/li>\n
    24. STAT incr_hits <\/span>0<\/span><\/code><\/li>\n
    25. STAT decr_misses <\/span>0<\/span><\/code><\/li>\n
    26. STAT decr_hits <\/span>0<\/span><\/code><\/li>\n
    27. STAT cas_misses <\/span>0<\/span><\/code><\/li>\n
    28. STAT cas_hits <\/span>0<\/span><\/code><\/li>\n
    29. STAT cas_badval <\/span>0<\/span><\/code><\/li>\n
    30. STAT auth_cmds <\/span>0<\/span><\/code><\/li>\n
    31. STAT auth_errors <\/span>0<\/span><\/code><\/li>\n
    32. STAT bytes_read <\/span>1301727208<\/span><\/code><\/li>\n
    33. STAT bytes_written <\/span>363323660<\/span><\/code><\/li>\n
    34. STAT limit_maxbytes <\/span>26937917440<\/span><\/code><\/li>\n
    35. STAT accepting_conns <\/span>1<\/span><\/code><\/li>\n
    36. STAT listen_disabled_num <\/span>0<\/span><\/code><\/li>\n
    37. STAT threads <\/span>4<\/span><\/code><\/li>\n
    38. STAT conn_yields <\/span>0<\/span><\/code><\/li>\n
    39. STAT bytes <\/span>2159462219<\/span><\/code><\/li>\n
    40. STAT curr_items <\/span>17379217<\/span><\/code><\/li>\n
    41. STAT total_items <\/span>17379219<\/span><\/code><\/li>\n
    42. STAT evictions <\/span>0<\/span><\/code><\/li>\n
    43. END<\/span><\/code><\/li>\n<\/ol>\n

      \u5e38\u89c1\u53c2\u6570\u5206\u6790\u5982\u4e0b
      \n\"wpid-3e923ff0f36d3b40ab5d37a608495909_58084d51-0a83-4939-aa6a-3e48cb872d5f.jpg\"<\/a><\/p>\n

      2.3\u3001\u67e5\u770bmemcached\u5f53\u524d\u8bbe\u7f6e \uff08stats settings\uff09<\/h4>\n

      \"wpid-3e923ff0f36d3b40ab5d37a608495909_d8cfc6b2-4ea2-415e-836d-0a2914e95854.jpg\"<\/a>
      \n <\/p>\n

      2.4\u3001\u67e5\u770bitem\u7684\u6570\u636e\u7edf\u8ba1\uff08stats items\uff09<\/h4>\n

      \"wpid-3e923ff0f36d3b40ab5d37a608495909_01896aae-23f4-4463-804f-77bd2ea1a7e2.jpg\"<\/a>
      \n2.5\u3001\u67e5\u770bslab\u7edf\u8ba1\u6570\u636e\uff08stats slabs\uff09<\/strong>
      \n      \"wpid-3e923ff0f36d3b40ab5d37a608495909_be49b2d0-3faf-48c3-865a-5db408775551.jpg\"<\/a>
      \n\u88ab\u6d6a\u8d39\u5185\u5b58\u6570=(total_chunks * chunk_size) - mem_requested
      \n\u5982\u679c\u592a\u5927\uff0c\u9700\u8981\u8c03\u6574factor<\/p>\n

      \u4e09\u3001\u53c2\u8003\u8d44\u6599<\/h2>\n

      http:\/\/charlee.li\/memcached-002.html<\/a>
      \n      http:\/\/kenby.iteye.com\/blog\/1423989<\/a>
      \n\u300aMemcached\u000b\u5185\u5b58\u5206\u6790\u3001\u8c03\u4f18\u3001\u96c6\u7fa4\u300b\u5218\u4e2d\u5175 \u641c\u72d0TPC
      \n.<\/p>\n

      \u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1aIPCPU-\u7f51\u7edc\u4e4b\u8def<\/a> » Memcached\u4e13\u9898\u4e8c\u3001\u5185\u5b58\u7ba1\u7406\u548c\u72b6\u6001\u76d1\u6d4b<\/a><\/p>","protected":false},"excerpt":{"rendered":"

      Memcached\u4e13\u9898\u4e8c\u3001\u5185\u5b58\u7ba1\u7406\u548c\u72b6\u6001\u76d1\u6d4b.md \u4e00\u3001Memcached\u5185\u5b58\u7ba1\u7406 Memcached\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u91c7\u7528\u4e86\u540d\u4e3aSlab Allocator\u7684\u673a\u5236\u5206\u914d\u3001\u7ba1\u7406\u5185\u5b58\u3002\u5728\u8be5\u673a\u5236\u51fa\u73b0\u4ee5\u524d\uff0c\u5185\u5b58\u7684\u5206\u914d\u662f\u901a\u8fc7\u5bf9\u6240\u6709\u8bb0\u5f55\u7b80\u5355\u5730\u8fdb\u884cmalloc\u548cfree\u6765\u8fdb\u884c\u7684\u3002\u4f46\u662f\uff0c\u8fd9\u79cd\u65b9\u5f0f\u4f1a\u5bfc\u81f4\u5185\u5b58\u788e\u7247\uff0c\u52a0\u91cd\u64cd\u4f5c\u7cfb\u7edf\u5185\u5b58\u7ba1\u7406\u5668\u7684\u8d1f\u62c5\uff0c\u6700\u574f\u7684\u60c5\u51b5\u4e0b\uff0c\u4f1a\u5bfc\u81f4\u64cd\u4f5c\u7cfb\u7edf\u6bd4memcached\u8fdb\u7a0b\u672c\u8eab\u8fd8\u6162\u3002Slab Allocator\u5c31\u662f\u4e3a\u89e3\u51b3\u8be5\u95ee\u9898\u800c\u8bde\u751f\u7684\u3002 \u5f53\u6211\u4eec\u4f7f\u7528\u547d\u4ee4 set(key, value) \u5411 memcached \u63d2\u5165\u4e00\u6761\u6570\u636e, memcached \u5185\u90e8\u662f\u5982\u4f55\u7ec4\u7ec7\u6570\u636e\u5462\uff1f 1.1\u3001\u628a\u6570\u636e\u7ec4\u88c5\u6210 item memcached \u63a5\u53d7\u5230\u5ba2\u6237\u7aef\u7684\u6570\u636e\u540e, \u628a\u6570\u636e\u7ec4\u88c5\u6210 item, item \u7684\u683c\u5f0f\u5982\u4e0b: 1.2\u3001\u4e3a item \u5206\u914d\u5b58\u50a8\u7a7a\u95f4 \u628a\u6570\u636e\u7ec4\u88c5\u6210 item \u4e4b\u524d, \u5fc5\u987b\u4e3a item \u5206\u914d\u5b58\u50a8\u7a7a\u95f4, memcached \u4e0d\u662f\u76f4\u63a5\u4ece\u64cd\u4f5c\u7cfb\u7edf\u5206\u914d\u5185\u5b58\u7684, memcached\u5185\u90e8\u4f7f\u7528\u4e86\u7c7b\u4f3c\u5185\u5b58\u6c60\u7684\u4e1c\u897f, \u5373slab\u673a\u5236, \u6765\u7ba1\u7406\u5185\u5b58. \u5185\u5b58\u7684\u5206\u914d\u548c\u56de\u6536\u90fd\u4ea4\u7ed9 slab \u5b50\u7cfb\u7edf\u5b9e\u73b0. \u6240\u4ee5\u6211\u4eec\u5148\u7406\u89e3slab, \u518d\u56de\u8fc7\u5934\u6765\u770b\u5982\u4f55\u4e3a item \u5206\u914d\u5b58\u50a8\u7a7a\u95f4. 1.3\u3001\u4f7f\u7528 slab \u7ba1\u7406\u5185\u5b58 memcached \u4e2d, \u5185\u5b58\u7684\u5206\u914d\u548c\u56de\u6536, \u90fd\u662f\u901a\u8fc7 slab \u5b9e\u73b0\u7684, slab\u673a\u5236\u76f8\u5f53\u4e8e\u5185\u5b58\u6c60\u673a\u5236, \u5b9e\u73b0\u4ece\u64cd\u4f5c\u7cfb\u7edf\u5206\u914d\u4e00\u5927\u5757\u5185\u5b58, \u7136\u540e memcached […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[13],"tags":[83,17,90,91,93,44,88],"_links":{"self":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts\/655"}],"collection":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/comments?post=655"}],"version-history":[{"count":0,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts\/655\/revisions"}],"wp:attachment":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/media?parent=655"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/categories?post=655"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/tags?post=655"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}