{"id":41429,"date":"2023-05-30T23:29:54","date_gmt":"2023-08-29T16:13:04","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8elasticsearch%e4%b8%ad%e8%bf%9b%e8%a1%8c%e7%9b%b8%e4%bc%bc%e5%90%91%e9%87%8f%e6%90%9c%e7%b4%a2-%e7%9b%b8%e4%bc%bc%e5%9b%be%e5%83%8f%e6%90%9c%e7%b4%a2%e3%80%82\/"},"modified":"2024-04-30T06:41:02","modified_gmt":"2024-04-29T22:41:02","slug":"%e5%9c%a8elasticsearch%e4%b8%ad%e8%bf%9b%e8%a1%8c%e7%9b%b8%e4%bc%bc%e5%90%91%e9%87%8f%e6%90%9c%e7%b4%a2-%e7%9b%b8%e4%bc%bc%e5%9b%be%e5%83%8f%e6%90%9c%e7%b4%a2%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8elasticsearch%e4%b8%ad%e8%bf%9b%e8%a1%8c%e7%9b%b8%e4%bc%bc%e5%90%91%e9%87%8f%e6%90%9c%e7%b4%a2-%e7%9b%b8%e4%bc%bc%e5%9b%be%e5%83%8f%e6%90%9c%e7%b4%a2%e3%80%82\/","title":{"rendered":"\u5728Elasticsearch\u4e2d\u8fdb\u884c\u76f8\u4f3c\u5411\u91cf\u641c\u7d22\/\u76f8\u4f3c\u56fe\u50cf\u641c\u7d22"},"content":{"rendered":"

\uff08\u76ee\u5f55\u5728\u8fd9\u91cc\uff09<\/p>\n

\u9996\u5148<\/h1>\n

\u5728\u4e4b\u524d\u7684\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u51c6\u5907\u4e86\u5927\u7ea6\u4e00\u767e\u4e07\u4e2a1280\u7ef4\u7684\u56fe\u50cf\u7279\u5f81\u5411\u91cf\uff0c\u5e76\u5c06\u5176\u6295\u5165\u5230Amazon Elasticsearch Service\u4e2d\uff0c\u4f46\u662f\u6211\u4eec\u5f97\u5230\u4e86\u8fdc\u79bb\u5b9e\u7528\u7684\u7ed3\u679c\uff0c\u67e5\u8be2\u7684\u54cd\u5e94\u65f6\u95f4\u8fbe\u5230\u4e8615\u79d2\u3002\u975e\u5e38\u611f\u8c22Amazon ES\u56e2\u961f\u7ed9\u4e88\u6211\u4eec\u7684\u5efa\u8bae\uff0c\u56e0\u6b64\u6211\u4eec\u6309\u7167\u4ed6\u4eec\u7684\u5efa\u8bae\u8fdb\u884c\u4e86\u91cd\u65b0\u9a8c\u8bc1\u3002<\/p>\n

\u5982\u679c\u5bf9Elasticsearch\u975e\u5e38\u719f\u6089\u7684\u4eba\u6765\u8bf4\uff0c\u8fd9\u4e2a\u6b65\u9aa4\u53ef\u80fd\u662f\u5fae\u4e0d\u8db3\u9053\u7684\uff0c\u4f46\u5bf9\u4e8e\u6211\u8fd9\u4e2a\u6ca1\u6709\u5728\u5b9e\u9645\u670d\u52a1\u4e2d\u64cd\u4f5c\u8fc7Elasticsearch\u7684\u4eba\u6765\u8bf4\uff0c\u8fd9\u662f\u975e\u5e38\u6709\u7528\u7684\u3002<\/p>\n

\u5206\u5272<\/h1>\n

\u67e5\u770b\u4e0a\u4e00\u6b21\u4eceElasticsearch\u8fd4\u56de\u7684\u54cd\u5e94\uff0c\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0hits\u4e3a1,203\u3002\u6b64\u65f6\uff0c\u7531\u4e8e\u6211\u4eec\u6b63\u5728\u641c\u7d22\u6700\u8fd1\u768410\u4e2a\u5411\u91cf\uff0c\u6240\u4ee5k=10\uff0c\u5e76\u4e14\u6211\u4eec\u53ef\u4ee5\u77e5\u9053\u7ed3\u679c\u81f3\u5c11\u6765\u81ea\u4e8e120\u4e2aElasticsearch Index\u3002<\/p>\n

{\r\n  \"took\": 15471,\r\n  \"timed_out\": false,\r\n  \"_shards\": {\r\n    \"total\": 5,\r\n    \"successful\": 5,\r\n    \"skipped\": 0,\r\n    \"failed\": 0\r\n  },\r\n  \"hits\": {\r\n    \"total\": {\r\n      \"value\": 1203,\r\n      \"relation\": \"eq\"\r\n...\r\n<\/code><\/pre>\n
Elasticsearch \u7d22\u5f15\u4ee5 Shard \u4e3a\u5355\u4f4d\u8fdb\u884c\u5206\u5272\uff0c\u6bcf\u4e2a Shard \u90fd\u662f Lucene \u7d22\u5f15\u3002Lucene \u7d22\u5f15\u5728\u5185\u90e8\u88ab\u5206\u5272\u6210\u591a\u4e2a\u6587\u4ef6\uff0c\u79f0\u4e3a Segment\u3002\u7531\u4e8e Segment \u662f\u6309\u987a\u5e8f\u8fdb\u884c\u641c\u7d22\u7684\uff0c\u6240\u4ee5 Segment \u7684\u6570\u91cf\u8d8a\u5c11\uff0c\u641c\u7d22\u6548\u7387\u5c31\u8d8a\u9ad8\u3002<\/p>\n
\u4e3a\u4e86\u8003\u8651\u641c\u7d22\u6548\u7387\uff0cAmazon ES\u7684\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5206\u7247\u6570\u4e3a5\uff0c\u56e0\u6b64\u5e0c\u671b\u6bb5\u6570\u4e5f\u4e3a5\u3002<\/p>\n
\u8bbe\u5b9a<\/h1>\n
\u4e3a\u4e86\u63d0\u9ad8\u641c\u7d22\u6548\u7387\uff0c\u4e0b\u9762\u7684\u8bbe\u7f6e\u5efa\u8bae\u88ab\u63d0\u51fa\u3002<\/p>\n
    \n
  • \n
      index.refresh_interval = -1 (default: 1 sec)<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \n
      • \n
          index.translog.flush_threshold_size = \u201810gb\u2019 (default: 512mb)<\/ul>\n<\/li>\n<\/ul>\n
           <\/p>\n
            index.number_of_replicas = 0 (default: 1)<\/ul>\n
            \u6b64\u5916\uff0c\u4e5f\u6709\u5efa\u8bae\u9488\u5bf9\u7d22\u5f15\u65f6\u7684\u7ebf\u7a0b\u6570\u91cf\u8fdb\u884c\u6539\u8fdb\uff0c\u4ee5\u63d0\u9ad8\u7d22\u5f15\u6548\u7387\u3002<\/p>\n
              \n
            • \n
                Tune for indexing speed<\/ul>\n<\/li>\n<\/ul>\n
                 <\/p>\n
                  \n
                • \n
                    Improving Indexing Performance in Amazon Elasticsearch Service<\/ul>\n<\/li>\n<\/ul>\n
                     <\/p>\n
                      Open Distro for Elasticsearch KNN<\/ul>\n
                      \u4ee5\u4e0b\u662f\u7528\u4e8e\u63d2\u5165\u6539\u8fdb\u540e\u6570\u636e\u7684\u4ee3\u7801\u3002<\/p>\n
                      import<\/span> time<\/span>\r\nimport<\/span> math<\/span>\r\nimport<\/span> numpy<\/span> as<\/span> np<\/span>\r\nimport<\/span> json<\/span>\r\nimport<\/span> certifi<\/span>\r\nfrom<\/span> elasticsearch<\/span> import<\/span> Elasticsearch<\/span>,<\/span> helpers<\/span>\r\nfrom<\/span> sklearn.preprocessing<\/span> import<\/span> normalize<\/span>\r\n\r\ndim<\/span> =<\/span> 1280<\/span>\r\nfvecs<\/span> =<\/span> np<\/span>.<\/span>memmap<\/span>(<\/span>'fvecs.bin'<\/span>,<\/span> dtype<\/span>=<\/span>'float32'<\/span>,<\/span> mode<\/span>=<\/span>'r'<\/span>).<\/span>view<\/span>(<\/span>'float32'<\/span>).<\/span>reshape<\/span>(<\/span>-<\/span>1<\/span>,<\/span> dim<\/span>)<\/span>\r\n\r\nidx_name<\/span> =<\/span> 'imsearch'<\/span>\r\nes<\/span> =<\/span> Elasticsearch<\/span>(<\/span>hosts<\/span>=<\/span>[<\/span>'https:\/\/vpc-xxxxxxxxxxx.us-west-2.es.amazonaws.com'<\/span>],<\/span>\r\n                   ca_certs<\/span>=<\/span>certifi<\/span>.<\/span>where<\/span>())<\/span>\r\n\r\nres<\/span> =<\/span> es<\/span>.<\/span>cluster<\/span>.<\/span>put_settings<\/span>({<\/span>'persistent'<\/span>:<\/span> {<\/span>'knn.algo_param.index_thread_qty'<\/span>:<\/span> 2<\/span>}})<\/span>\r\nprint<\/span>(<\/span>res<\/span>)<\/span>\r\n\r\nmapping<\/span> =<\/span> {<\/span>\r\n    'settings'<\/span> :<\/span> {<\/span>\r\n        'index'<\/span> :<\/span> {<\/span>\r\n            'knn'<\/span>:<\/span> True<\/span>,<\/span>\r\n            'knn.algo_param'<\/span> :<\/span> {<\/span>\r\n                'ef_search'<\/span> :<\/span> 256<\/span>,<\/span>\r\n                'ef_construction'<\/span> :<\/span> 128<\/span>,<\/span>\r\n                'm'<\/span> :<\/span> 48<\/span>\r\n            },<\/span>\r\n            'refresh_interval'<\/span>:<\/span> -<\/span>1<\/span>,<\/span>\r\n            'translog.flush_threshold_size'<\/span>:<\/span> '10gb'<\/span>,<\/span>\r\n            'number_of_replicas'<\/span>:<\/span> 0<\/span>\r\n        },<\/span>\r\n    },<\/span>\r\n    'mappings'<\/span>:<\/span> {<\/span>\r\n        'properties'<\/span>:<\/span> {<\/span>\r\n            'fvec'<\/span>:<\/span> {<\/span>\r\n                'type'<\/span>:<\/span> 'knn_vector'<\/span>,<\/span>\r\n                'dimension'<\/span>:<\/span> dim<\/span>\r\n            }<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\nres<\/span> =<\/span> es<\/span>.<\/span>indices<\/span>.<\/span>create<\/span>(<\/span>index<\/span>=<\/span>idx_name<\/span>,<\/span> body<\/span>=<\/span>mapping<\/span>,<\/span> ignore<\/span>=<\/span>400<\/span>)<\/span>\r\nprint<\/span>(<\/span>res<\/span>)<\/span>\r\n\r\nbs<\/span> =<\/span> 200<\/span>\r\nnloop<\/span> =<\/span> math<\/span>.<\/span>ceil<\/span>(<\/span>fvecs<\/span>.<\/span>shape<\/span>[<\/span>0<\/span>]<\/span> \/<\/span> bs<\/span>)<\/span>\r\nfor<\/span> k<\/span> in<\/span> range<\/span>(<\/span>nloop<\/span>):<\/span>\r\n    rows<\/span> =<\/span> [{<\/span>'_index'<\/span>:<\/span> idx_name<\/span>,<\/span> '_id'<\/span>:<\/span> f<\/span>'<\/span>{<\/span>i<\/span>}<\/span>'<\/span>,<\/span>\r\n             '_source'<\/span>:<\/span> {<\/span>'fvec'<\/span>:<\/span> normalize<\/span>(<\/span>fvecs<\/span>[<\/span>i<\/span>:<\/span>i<\/span>+<\/span>1<\/span>])[<\/span>0<\/span>].<\/span>tolist<\/span>()}}<\/span>\r\n             for<\/span> i<\/span> in<\/span> range<\/span>(<\/span>k<\/span> *<\/span> bs<\/span>,<\/span> min<\/span>((<\/span>k<\/span> +<\/span> 1<\/span>)<\/span> *<\/span> bs<\/span>,<\/span> fvecs<\/span>.<\/span>shape<\/span>[<\/span>0<\/span>]))]<\/span>\r\n    s<\/span> =<\/span> time<\/span>.<\/span>time<\/span>()<\/span>\r\n    helpers<\/span>.<\/span>bulk<\/span>(<\/span>es<\/span>,<\/span> rows<\/span>,<\/span> request_timeout<\/span>=<\/span>30<\/span>)<\/span>\r\n    print<\/span>(<\/span>k<\/span>,<\/span> time<\/span>.<\/span>time<\/span>()<\/span> -<\/span> s<\/span>)<\/span>\r\n<\/code><\/pre>\n
                      \u5408\u5e76\u7247\u6bb5<\/h1>\n
                      \u5373\u4f7f\u662f\u4ee5\u4e0a\u7684\u4ee3\u7801\uff0c\u6bb5\u843d\u6570\u4e5f\u4e0d\u4f1a\u6210\u4e3a5\uff0c\u6240\u4ee5\u9700\u8981\u8c03\u7528\u4ee5\u4e0b\u7ec8\u70b9\uff0c\u4e3b\u52a8\u8fdb\u884c\u5408\u5e76\u3002<\/p>\n
                      POST \/imsearch\/_forcemerge?max_num_segments=1\r\n<\/code><\/pre>\n
                      \u7531\u4e8e\u8fd9\u4e2a\u64cd\u4f5c\u9700\u8981\u4e00\u4e9b\u65f6\u95f4\uff0c\u6240\u4ee5\u9700\u8981\u6bcf\u9694\u51e0\u5206\u949f\u8c03\u7528\u4e00\u6b21\uff0c\u76f4\u5230\u6536\u5230\u72b6\u6001\u7801200\u4e3a\u6b62\uff0c\u4ee5\u786e\u8ba4\u662f\u5426\u5b8c\u6210\u3002\u5f53\u7136\uff0c\u4e5f\u53ef\u4ee5\u6682\u65f6\u4e0d\u5b9a\u671f\u5730\u8f6e\u8be2\u4e00\u6bb5\u65f6\u95f4\u3002\u6700\u7ec8\u5e94\u8be5\u67095\u4e2a\u7247\u6bb5\u3002<\/p>\n
                      \u5237\u65b0<\/h1>\n
                      \u7531\u4e8e\u8bbe\u7f6e index.refresh_interval = -1\uff0c\u5237\u65b0\u64cd\u4f5c\u672a\u88ab\u6267\u884c\uff0c\u56e0\u6b64\u9700\u8981\u8c03\u7528\u4ee5\u4e0b\u7aef\u70b9\u3002\uff08\u4e5f\u53ef\u4ee5\u5c06\u5176\u6062\u590d\u4e3a\u9ed8\u8ba4\u76841\u79d2\uff09<\/p>\n
                      POST \/imsearch\/_refresh\r\n<\/code><\/pre>\n
                      \u5f53\u5237\u65b0\u5b8c\u6210\u540e\uff0c\u5c31\u53ef\u4ee5\u8fdb\u884c\u5df2\u63d2\u5165\u5411\u91cf\u7684\u641c\u7d22\u3002<\/p>\n
                      \u6240\u4ee5\uff0c\u5f53\u6211\u5b9e\u9645\u6267\u884c\u5e76\u6d4b\u8bd5\u7684\u65f6\u5019\uff0c\u7ed3\u679c\u662f…7\u79d2…\u867d\u7136\u82b1\u4e86\u76f8\u5f53\u957f\u7684\u65f6\u95f4\uff0c\u4f46\u8fd9\u771f\u662f\u4ee4\u4eba\u6cae\u4e27\u3002\u5f53\u7136\uff0c\u4e0e\u4e0a\u4e00\u6b21\u768415\u79d2\u76f8\u6bd4\uff0c\u8fd9\u5df2\u7ecf\u6709\u4e86\u663e\u8457\u7684\u6539\u5584\uff0c\u4f467\u79d2\u5e76\u4e0d\u5b9e\u7528\u3002\u53e6\u5916\uff0c\u9884\u70ed\u4e5f\u6ca1\u6709\u7279\u522b\u7684\u6548\u679c\u3002\u6b64\u5916\uff0c\u5728\u9664\u4e86\u641c\u7d22\u65f6\u95f4\u4ee5\u5916\u7684\u65b9\u9762\uff0c\u6bcf\u4e2a\u5206\u7247\u670950\u4e2a\u547d\u4e2d\u7ed3\u679c\uff0c\u8fd9\u5b9e\u9645\u4e0a\u662f\u7406\u60f3\u7684\u60c5\u51b5\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u5206\u7247\u6709\u4e00\u4e2a\u6bb5\u3002<\/p>\n
                      {\r\n  \"took\": 7269,\r\n  \"timed_out\": false,\r\n  \"_shards\": {\r\n    \"total\": 5,\r\n    \"successful\": 5,\r\n    \"skipped\": 0,\r\n    \"failed\": 0\r\n  },\r\n  \"hits\": {\r\n    \"total\": {\r\n      \"value\": 50,\r\n      \"relation\": \"eq\"\r\n    },\r\n...\r\n<\/code><\/pre>\n
                      \u8bb0\u5fc6<\/h1>\n
                      \u5728\u672c\u6b21\u5b9e\u9a8c\u4e2d\u4f7f\u7528\u7684\u662fr5.large\u5b9e\u4f8b\uff0c\u62e5\u67092\u6838CPU\u548c16GB\u5185\u5b58\u3002\u5728Amazon ES\u7684\u9ed8\u8ba4\u8bbe\u7f6e\u4e2d\uff0c\u670d\u52a1\u5668\u5185\u5b58\u768450%\u88ab\u5206\u914d\u7ed9Elasticsearch\uff0c\u4e0a\u9650\u4e3a32GB\uff0c\u5e76\u4e14\u5269\u4f59\u5185\u5b58\u7684\u4e00\u90e8\u5206\u53ef\u4ee5\u7528\u4e8ekNN\u3002\u5c06\u6240\u6709\u5269\u4f59\u5185\u5b58\u90fd\u5206\u914d\u7ed9kNN\u662f\u5371\u9669\u7684\uff0c\u56e0\u6b64\u5f15\u5165\u4e86\u65ad\u8def\u5668\uff0c\u9650\u5236\u4e86\u5185\u5b58\u4f7f\u7528\u91cf\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7knn.memory.circuit_breaker.limit\u8fdb\u884c\u8bbe\u7f6e\uff0c\u9ed8\u8ba4\u503c\u4e3a60%\u3002\u56e0\u6b64\uff0c16GB * 50% * 60% = 4.8GB \u662fkNN\u7684\u5185\u5b58\u5206\u914d\u4e0a\u9650\u3002<\/p>\n
                      \u5728HNSW\u4e2d\u4fdd\u6301\u56fe\/\u7d22\u5f15\u9700\u89814*d + 8*M\u5b57\u8282\u3002\u6211\u4eec\u5728\u5b9e\u9a8c\u4e2d\u4f7f\u7528\u4e86\u4e00\u767e\u4e07\u4e2a1280\u7ef4\u7684\u5411\u91cf\uff0c\u800c\u6839\u636eAmazon ES\u56e2\u961f\u7684\u5efa\u8bae\uff0c\u8003\u8651\u5230\u56fe\u7684\u6784\u5efa\u7b49\u95ee\u9898\uff0c\u6211\u4eec\u9700\u8981\u5c06\u9700\u8981\u91cf\u589e\u52a01.5\u500d\u3002\u7531\u4e8e\u672c\u6b21\u5b9e\u9a8c\u4e2dM=48\uff0c\u6240\u4ee5\u9700\u8981(4*1280 + 8*48)*1.5*1M = 7.7GB\u7684\u5b58\u50a8\u7a7a\u95f4\u3002<\/p>\n
                      \u7531\u4e8er5.large\u4e0d\u8db3\u591f\uff0c\u56e0\u6b64\u6211\u91cd\u65b0\u521b\u5efa\u4e86\u4e00\u4e2ar5.xlarge(4\u4e2a\u6838\u5fc3CPU\uff0c32GB\u5185\u5b58)\u7684\u96c6\u7fa4\u5e76\u8fdb\u884c\u4e86\u65b0\u7684\u5c1d\u8bd5\u3002\u5728\u8fd9\u79cd\u5b9e\u4f8b\u7c7b\u578b\u4e0b\uff0c\u53ef\u4ee5\u5206\u914d 32GB * 50% * 60% = 9.6GB\u7684\u5185\u5b58\uff0c\u56e0\u6b64\u6ee1\u8db3\u4e867.7GB\u7684\u9700\u6c42\u3002\u7531\u4e8eCPU\u6838\u5fc3\u6570\u91cf\u589e\u52a0\u4e86\uff0c\u6211\u4e5f\u987a\u4fbf\u5c06knn.algo_param.index_thread_qty\u53c2\u6570\u8c03\u6574\u4e3a4\uff0c\u7136\u540e\u6309\u7167\u4e0a\u8ff0\u6b65\u9aa4\u751f\u6210\u4e86\u7d22\u5f15\u3002<\/p>\n
                      \u7136\u540e\uff0c\u53d1\u9001\u4e861000\u4e2a\u641c\u7d22\u8bf7\u6c42\uff0c\u8ba1\u7b97\u641c\u7d22\u65f6\u95f4\u7684\u5e73\u5747\u503c\u5f97\u5230\u4e8614\u6beb\u79d2\u7684\u7ed3\u679c\uff0c\u8fbe\u5230\u4e86\u5b9e\u7528\u6c34\u5e73\u7684\u6539\u5584\u3002<\/p>\n
                      \u5177\u6709nmslib\u7684ANN\u6a21\u578b<\/h1>\n
                      \u4f5c\u4e3aANN\u5e93\uff0c\u901a\u5e38\u6211\u4eec\u4f7f\u7528Faiss\uff0c\u6240\u4ee5\u5728\u4e0a\u4e00\u6b21\u5b9e\u9a8c\u4e2d\u6211\u4eec\u4e5f\u7528Faiss\u6765\u5904\u7406HNSW\u3002\u7136\u800c\uff0cElasticsearch\u4f7f\u7528\u7684\u662fnmslib\uff0c\u6240\u4ee5\u4e3a\u4e86\u786e\u8ba4\uff0c\u6211\u4eec\u4e5f\u505a\u4e86\u6bd4\u8f83\u3002\u5b9e\u4f8b\u7c7b\u578b\u662fr5.xlarge\uff0c\u7528\u4e8e\u96c6\u7fa4\u3002<\/p>\n
                      \"image.png\"<\/div>\n
                      \u8003\u8651\u5230\u5b83\u4e0d\u662f\u4e00\u4e2a\u5411\u91cf\u641c\u7d22\u5f15\u64ce\uff0c\u800c\u662f\u4e00\u4e2a\u5168\u6587\u641c\u7d22\u5f15\u64ce\uff0c\u4e0e\u4f7f\u7528Elasticsearch kNN\u76f8\u6bd4\uff0c\u901f\u5ea6\u5927\u7ea6\u5feb\u4e86\u4e24\u500d\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u8bf414\u6beb\u79d2\u7684\u7ed3\u679c\u5df2\u7ecf\u8db3\u591f\u5b9e\u7528\u6c34\u5e73\u3002<\/p>\n
                      \u603b\u7ed3<\/h1>\n
                      \u591a\u4e8f\u4e86\u4e9a\u9a6c\u900a\u897f\u73ed\u7259\u56e2\u961f\u7684\u652f\u6301\uff0c\u6211\u4eec\u80fd\u591f\u5728Elasticsearch\u4e2d\u5b9e\u73b0\u7c7b\u4f3c\u641c\u7d22\u5e76\u8fbe\u5230\u5b9e\u9645\u53ef\u7528\u7684\u641c\u7d22\u65f6\u95f4\u3002\u5177\u4f53\u800c\u8a00\uff0c\u901a\u8fc7\u9002\u5f53\u8bbe\u7f6e\u6bb5\u6570\u548c\u5185\u5b58\u5206\u914d\uff0c\u6211\u4eec\u770b\u5230\u4e86\u4e0d\u53ef\u540c\u65e5\u800c\u8bed\u7684\u6539\u8fdb\u4e0e\u4e0a\u4e00\u6b21\u76f8\u6bd4\u3002\u5c3d\u7ba1HNSW\u662f\u4e00\u79cd\u51fa\u8272\u7684ANN\u7b97\u6cd5\uff0c\u4f46\u5728\u5185\u5b58\u6548\u7387\u65b9\u9762\uff0c\u4e0e\u91c7\u7528\u5012\u6392\u6587\u4ef6\u548c\u4ea7\u54c1\u91cf\u5316\uff08IVFPQ\uff09\u7b49\u65b9\u6cd5\u6bd4\u8f83\uff0c\u5b83\u5e76\u4e0d\u597d\u3002\u5bf9\u4e8e\u5904\u7406\u9ad8\u7ef4\u5411\u91cf\u7684Elasticsearch\u60c5\u51b5\uff0c\u6211\u5f97\u5230\u7684\u5370\u8c61\u662f\uff0c\u6700\u597d\u5728\u53ef\u80fd\u7684\u8303\u56f4\u5185\u8fdb\u884c\u7ef4\u5ea6\u538b\u7f29\u3002\u53ef\u4ee5\u8bf4\uff0cHNSW\u662f\u4e00\u79cd\u9002\u7528\u4e8e\u767e\u4e07\u7ea7\u6570\u636e\u7684\u4f18\u79c0\u7b97\u6cd5\uff0c\u901a\u8fc7\u5c06\u5176\u4e0eElasticsearch\u8fdb\u884c\u96c6\u7fa4\u5316\uff0c\u6211\u4eec\u53ef\u4ee5\u5904\u7406\u5341\u4ebf\u7ea7\u7684\u6570\u636e\uff0c\u5e76\u5b9e\u73b0\u53ef\u6269\u5c55\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                      \uff08\u76ee\u5f55\u5728\u8fd9\u91cc\uff09 \u9996\u5148 \u5728\u4e4b\u524d\u7684\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u51c6\u5907\u4e86\u5927\u7ea6\u4e00\u767e\u4e07\u4e2a1280\u7ef4\u7684\u56fe\u50cf\u7279\u5f81\u5411\u91cf\uff0c\u5e76\u5c06\u5176\u6295\u5165\u5230Amazon […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-41429","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u5728Elasticsearch\u4e2d\u8fdb\u884c\u76f8\u4f3c\u5411\u91cf\u641c\u7d22\/\u76f8\u4f3c\u56fe\u50cf\u641c\u7d22 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5728elasticsearch\u4e2d\u8fdb\u884c\u76f8\u4f3c\u5411\u91cf\u641c\u7d22-\u76f8\u4f3c\u56fe\u50cf\u641c\u7d22\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5728Elasticsearch\u4e2d\u8fdb\u884c\u76f8\u4f3c\u5411\u91cf\u641c\u7d22\/\u76f8\u4f3c\u56fe\u50cf\u641c\u7d22\" \/>\n<meta property=\"og:description\" content=\"\uff08\u76ee\u5f55\u5728\u8fd9\u91cc\uff09 \u9996\u5148 \u5728\u4e4b\u524d\u7684\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u51c6\u5907\u4e86\u5927\u7ea6\u4e00\u767e\u4e07\u4e2a1280\u7ef4\u7684\u56fe\u50cf\u7279\u5f81\u5411\u91cf\uff0c\u5e76\u5c06\u5176\u6295\u5165\u5230Amazon […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5728elasticsearch\u4e2d\u8fdb\u884c\u76f8\u4f3c\u5411\u91cf\u641c\u7d22-\u76f8\u4f3c\u56fe\u50cf\u641c\u7d22\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-08-29T16:13:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T22:41:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d467937434c4406ca54d2\/33-0.png\" \/>\n<meta name=\"author\" content=\"\u96c5, \u609f\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u96c5, \u609f\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8elasticsearch%e4%b8%ad%e8%bf%9b%e8%a1%8c%e7%9b%b8%e4%bc%bc%e5%90%91%e9%87%8f%e6%90%9c%e7%b4%a2-%e7%9b%b8%e4%bc%bc%e5%9b%be%e5%83%8f%e6%90%9c%e7%b4%a2%e3%80%82\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8elasticsearch%e4%b8%ad%e8%bf%9b%e8%a1%8c%e7%9b%b8%e4%bc%bc%e5%90%91%e9%87%8f%e6%90%9c%e7%b4%a2-%e7%9b%b8%e4%bc%bc%e5%9b%be%e5%83%8f%e6%90%9c%e7%b4%a2%e3%80%82\/\",\"name\":\"\u5728Elasticsearch\u4e2d\u8fdb\u884c\u76f8\u4f3c\u5411\u91cf\u641c\u7d22\/\u76f8\u4f3c\u56fe\u50cf\u641c\u7d22 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-08-29T16:13:04+00:00\",\"dateModified\":\"2024-04-29T22:41:02+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8elasticsearch%e4%b8%ad%e8%bf%9b%e8%a1%8c%e7%9b%b8%e4%bc%bc%e5%90%91%e9%87%8f%e6%90%9c%e7%b4%a2-%e7%9b%b8%e4%bc%bc%e5%9b%be%e5%83%8f%e6%90%9c%e7%b4%a2%e3%80%82\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8elasticsearch%e4%b8%ad%e8%bf%9b%e8%a1%8c%e7%9b%b8%e4%bc%bc%e5%90%91%e9%87%8f%e6%90%9c%e7%b4%a2-%e7%9b%b8%e4%bc%bc%e5%9b%be%e5%83%8f%e6%90%9c%e7%b4%a2%e3%80%82\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8elasticsearch%e4%b8%ad%e8%bf%9b%e8%a1%8c%e7%9b%b8%e4%bc%bc%e5%90%91%e9%87%8f%e6%90%9c%e7%b4%a2-%e7%9b%b8%e4%bc%bc%e5%9b%be%e5%83%8f%e6%90%9c%e7%b4%a2%e3%80%82\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u5728Elasticsearch\u4e2d\u8fdb\u884c\u76f8\u4f3c\u5411\u91cf\u641c\u7d22\/\u76f8\u4f3c\u56fe\u50cf\u641c\u7d22\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6\",\"name\":\"\u96c5, \u609f\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g\",\"caption\":\"\u96c5, \u609f\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/yawu\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8elasticsearch%e4%b8%ad%e8%bf%9b%e8%a1%8c%e7%9b%b8%e4%bc%bc%e5%90%91%e9%87%8f%e6%90%9c%e7%b4%a2-%e7%9b%b8%e4%bc%bc%e5%9b%be%e5%83%8f%e6%90%9c%e7%b4%a2%e3%80%82\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u5728Elasticsearch\u4e2d\u8fdb\u884c\u76f8\u4f3c\u5411\u91cf\u641c\u7d22\/\u76f8\u4f3c\u56fe\u50cf\u641c\u7d22 - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/\u5728elasticsearch\u4e2d\u8fdb\u884c\u76f8\u4f3c\u5411\u91cf\u641c\u7d22-\u76f8\u4f3c\u56fe\u50cf\u641c\u7d22\u3002\/","og_locale":"zh_CN","og_type":"article","og_title":"\u5728Elasticsearch\u4e2d\u8fdb\u884c\u76f8\u4f3c\u5411\u91cf\u641c\u7d22\/\u76f8\u4f3c\u56fe\u50cf\u641c\u7d22","og_description":"\uff08\u76ee\u5f55\u5728\u8fd9\u91cc\uff09 \u9996\u5148 \u5728\u4e4b\u524d\u7684\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u51c6\u5907\u4e86\u5927\u7ea6\u4e00\u767e\u4e07\u4e2a1280\u7ef4\u7684\u56fe\u50cf\u7279\u5f81\u5411\u91cf\uff0c\u5e76\u5c06\u5176\u6295\u5165\u5230Amazon […]","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/\u5728elasticsearch\u4e2d\u8fdb\u884c\u76f8\u4f3c\u5411\u91cf\u641c\u7d22-\u76f8\u4f3c\u56fe\u50cf\u641c\u7d22\u3002\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-08-29T16:13:04+00:00","article_modified_time":"2024-04-29T22:41:02+00:00","og_image":[{"url":"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d467937434c4406ca54d2\/33-0.png"}],"author":"\u96c5, \u609f","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u96c5, \u609f","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"2 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8elasticsearch%e4%b8%ad%e8%bf%9b%e8%a1%8c%e7%9b%b8%e4%bc%bc%e5%90%91%e9%87%8f%e6%90%9c%e7%b4%a2-%e7%9b%b8%e4%bc%bc%e5%9b%be%e5%83%8f%e6%90%9c%e7%b4%a2%e3%80%82\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8elasticsearch%e4%b8%ad%e8%bf%9b%e8%a1%8c%e7%9b%b8%e4%bc%bc%e5%90%91%e9%87%8f%e6%90%9c%e7%b4%a2-%e7%9b%b8%e4%bc%bc%e5%9b%be%e5%83%8f%e6%90%9c%e7%b4%a2%e3%80%82\/","name":"\u5728Elasticsearch\u4e2d\u8fdb\u884c\u76f8\u4f3c\u5411\u91cf\u641c\u7d22\/\u76f8\u4f3c\u56fe\u50cf\u641c\u7d22 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2023-08-29T16:13:04+00:00","dateModified":"2024-04-29T22:41:02+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8elasticsearch%e4%b8%ad%e8%bf%9b%e8%a1%8c%e7%9b%b8%e4%bc%bc%e5%90%91%e9%87%8f%e6%90%9c%e7%b4%a2-%e7%9b%b8%e4%bc%bc%e5%9b%be%e5%83%8f%e6%90%9c%e7%b4%a2%e3%80%82\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8elasticsearch%e4%b8%ad%e8%bf%9b%e8%a1%8c%e7%9b%b8%e4%bc%bc%e5%90%91%e9%87%8f%e6%90%9c%e7%b4%a2-%e7%9b%b8%e4%bc%bc%e5%9b%be%e5%83%8f%e6%90%9c%e7%b4%a2%e3%80%82\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8elasticsearch%e4%b8%ad%e8%bf%9b%e8%a1%8c%e7%9b%b8%e4%bc%bc%e5%90%91%e9%87%8f%e6%90%9c%e7%b4%a2-%e7%9b%b8%e4%bc%bc%e5%9b%be%e5%83%8f%e6%90%9c%e7%b4%a2%e3%80%82\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"\u5728Elasticsearch\u4e2d\u8fdb\u884c\u76f8\u4f3c\u5411\u91cf\u641c\u7d22\/\u76f8\u4f3c\u56fe\u50cf\u641c\u7d22"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6","name":"\u96c5, \u609f","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g","caption":"\u96c5, \u609f"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/yawu\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8elasticsearch%e4%b8%ad%e8%bf%9b%e8%a1%8c%e7%9b%b8%e4%bc%bc%e5%90%91%e9%87%8f%e6%90%9c%e7%b4%a2-%e7%9b%b8%e4%bc%bc%e5%9b%be%e5%83%8f%e6%90%9c%e7%b4%a2%e3%80%82\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/41429","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=41429"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/41429\/revisions"}],"predecessor-version":[{"id":90317,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/41429\/revisions\/90317"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=41429"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=41429"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=41429"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}