{"id":47759,"date":"2023-12-11T15:12:56","date_gmt":"2023-12-11T07:12:56","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=47759"},"modified":"2023-12-11T15:12:56","modified_gmt":"2023-12-11T07:12:56","slug":"%e8%af%a6%e7%bb%86%e6%8f%8f%e8%bf%b0%e4%b8%80%e4%b8%8b-elasticsearch-%e6%90%9c%e7%b4%a2%e7%9a%84%e8%bf%87%e7%a8%8b%ef%bc%9f-4","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/%e8%af%a6%e7%bb%86%e6%8f%8f%e8%bf%b0%e4%b8%80%e4%b8%8b-elasticsearch-%e6%90%9c%e7%b4%a2%e7%9a%84%e8%bf%87%e7%a8%8b%ef%bc%9f-4\/","title":{"rendered":"\u8be6\u7ec6\u63cf\u8ff0\u4e00\u4e0b Elasticsearch \u641c\u7d22\u7684\u8fc7\u7a0b\uff1f"},"content":{"rendered":"<p>&#8220;`&#8221;                    1\u3001\u641c\u7d22\u88ab\u6267\u884c\u6210\u4e00\u4e2a\u4e24\u9636\u6bb5\u8fc7\u7a0b\uff0c\u6211\u4eec\u79f0\u4e4b\u4e3a Query Then Fetch\uff1b<\/p>\n<p>2\u3001\u5728\u521d\u59cb&lt;strong&gt;\u67e5\u8be2\u9636\u6bb5&lt;\/strong&gt;\u65f6\uff0c\u67e5\u8be2\u4f1a\u5e7f\u64ad\u5230\u7d22\u5f15\u4e2d\u6bcf\u4e00\u4e2a\u5206\u7247\u62f7\u8d1d\uff08\u4e3b\u5206\u7247\u6216\u8005\u526f\u672c\u5206\u7247\uff09\u3002 \u6bcf\u4e2a\u5206\u7247\u5728\u672c\u5730\u6267\u884c\u641c\u7d22\u5e76\u6784\u5efa\u4e00\u4e2a\u5339\u914d\u6587\u6863\u7684\u5927\u5c0f\u4e3a from + size \u7684\u4f18\u5148\u961f\u5217\u3002<\/p>\n<p>PS\uff1a\u5728\u641c\u7d22\u7684\u65f6\u5019\u662f\u4f1a\u67e5\u8be2 Filesystem Cache \u7684\uff0c\u4f46\u662f\u6709\u90e8\u5206\u6570\u636e\u8fd8\u5728 MemoryBuffer\uff0c\u6240\u4ee5\u641c\u7d22\u662f\u8fd1\u5b9e\u65f6\u7684\u3002<\/p>\n<p>3\u3001\u6bcf\u4e2a\u5206\u7247\u8fd4\u56de\u5404\u81ea\u4f18\u5148\u961f\u5217\u4e2d &lt;strong&gt;\u6240\u6709\u6587\u6863\u7684 ID \u548c\u6392\u5e8f\u503c&lt;\/strong&gt; 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