{"id":61537,"date":"2024-10-13T11:50:16","date_gmt":"2024-10-13T03:50:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61537\/"},"modified":"2024-10-13T11:50:16","modified_gmt":"2024-10-13T03:50:16","slug":"hbase%e5%a6%82%e4%bd%95%e5%90%88%e7%90%86%e8%a8%ad%e7%bd%ae%e5%ae%a2%e6%88%b6%e7%ab%afwrite-buffer","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61537\/","title":{"rendered":"HBase\u5982\u4f55\u5408\u7406\u8a2d\u7f6e\u5ba2\u6236\u7aefWrite Buffer"},"content":{"rendered":"<h1 id=\"hbase%e5%a6%82%e4%bd%95%e5%90%88%e7%90%86%e8%a8%ad%e7%bd%ae%e5%ae%a2%e6%88%b6%e7%ab%afwrite-buffer-OAxxxHzWtT\">HBase\u5982\u4f55\u5408\u7406\u8a2d\u7f6e\u5ba2\u6236\u7aefWrite Buffer<\/h1>\n<p>\u5728\u5927\u6578\u64da\u8655\u7406\u7684\u9818\u57df\u4e2d\uff0cHBase\u4f5c\u70ba\u4e00\u500b\u5206\u4f48\u5f0f\u3001\u53ef\u64f4\u5c55\u7684NoSQL\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u9700\u8981\u9ad8\u6548\u8b80\u5beb\u7684\u5834\u666f\u3002HBase\u7684\u6027\u80fd\u512a\u5316\u662f\u6bcf\u500b\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u90fd\u9700\u8981\u95dc\u6ce8\u7684\u91cd\u9ede\uff0c\u5176\u4e2d\u5ba2\u6236\u7aef\u7684Write Buffer\u8a2d\u7f6e\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5408\u7406\u8a2d\u7f6eHBase\u7684\u5ba2\u6236\u7aefWrite Buffer\uff0c\u4ee5\u63d0\u9ad8\u6578\u64da\u5beb\u5165\u7684\u6548\u7387\u548c\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afwrite-buffer%ef%bc%9f-OAxxxHzWtT\">\u4ec0\u9ebc\u662fWrite Buffer\uff1f<\/h2>\n<p>Write Buffer\u662fHBase\u5ba2\u6236\u7aef\u5728\u5beb\u5165\u6578\u64da\u6642\u4f7f\u7528\u7684\u4e00\u500b\u5167\u5b58\u7de9\u885d\u5340\u3002\u7576\u5ba2\u6236\u7aef\u767c\u9001\u5beb\u5165\u8acb\u6c42\u6642\uff0c\u6578\u64da\u9996\u5148\u88ab\u5beb\u5165\u5230Write Buffer\u4e2d\uff0c\u7136\u5f8c\u518d\u6279\u91cf\u767c\u9001\u5230HBase\u670d\u52d9\u5668\u3002\u9019\u7a2e\u65b9\u5f0f\u53ef\u4ee5\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\uff0c\u63d0\u9ad8\u5beb\u5165\u6027\u80fd\u3002<\/p>\n<h2 id=\"write-buffer%e7%9a%84%e8%a8%ad%e7%bd%ae%e5%8f%83%e6%95%b8-OAxxxHzWtT\">Write Buffer\u7684\u8a2d\u7f6e\u53c3\u6578<\/h2>\n<p>\u5728HBase\u4e2d\uff0c\u5ba2\u6236\u7aef\u7684Write Buffer\u4e3b\u8981\u7531\u4ee5\u4e0b\u5e7e\u500b\u53c3\u6578\u63a7\u5236\uff1a<\/p>\n<ul>\n<li><code>hbase.client.write.buffer<\/code>\uff1a\u9019\u500b\u53c3\u6578\u5b9a\u7fa9\u4e86Write Buffer\u7684\u5927\u5c0f\uff0c\u9ed8\u8a8d\u70ba2MB\u3002<\/li>\n<li><code>hbase.client.scanner.caching<\/code>\uff1a\u9019\u500b\u53c3\u6578\u63a7\u5236\u6383\u63cf\u5668\u5728\u4e00\u6b21\u8acb\u6c42\u4e2d\u8fd4\u56de\u7684\u884c\u6578\uff0c\u5c0d\u65bc\u8b80\u53d6\u6027\u80fd\u6709\u5f71\u97ff\u3002<\/li>\n<li><code>hbase.client.batch.size<\/code>\uff1a\u9019\u500b\u53c3\u6578\u5b9a\u7fa9\u4e86\u6bcf\u6b21\u6279\u91cf\u5beb\u5165\u7684\u6578\u64da\u91cf\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%90%88%e7%90%86%e8%a8%ad%e7%bd%aewrite-buffer%e7%9a%84%e8%80%83%e9%87%8f%e5%9b%a0%e7%b4%a0-OAxxxHzWtT\">\u5408\u7406\u8a2d\u7f6eWrite Buffer\u7684\u8003\u91cf\u56e0\u7d20<\/h2>\n<p>\u5728\u8a2d\u7f6eWrite Buffer\u6642\uff0c\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u56e0\u7d20\uff1a<\/p>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e5%af%ab%e5%85%a5%e9%a0%bb%e7%8e%87-OAxxxHzWtT\">1. \u6578\u64da\u5beb\u5165\u983b\u7387<\/h3>\n<p>\u5982\u679c\u61c9\u7528\u7a0b\u5e8f\u9700\u8981\u983b\u7e41\u5beb\u5165\u6578\u64da\uff0c\u5247\u53ef\u4ee5\u9069\u7576\u589e\u5927Write Buffer\u7684\u5927\u5c0f\uff0c\u4ee5\u6e1b\u5c11\u7db2\u7d61\u8acb\u6c42\u7684\u6b21\u6578\u3002\u53cd\u4e4b\uff0c\u82e5\u5beb\u5165\u983b\u7387\u8f03\u4f4e\uff0c\u5247\u53ef\u4ee5\u4fdd\u6301\u9ed8\u8a8d\u8a2d\u7f6e\u3002<\/p>\n<h3 id=\"2-%e7%b3%bb%e7%b5%b1%e5%85%a7%e5%ad%98%e8%b3%87%e6%ba%90-OAxxxHzWtT\">2. \u7cfb\u7d71\u5167\u5b58\u8cc7\u6e90<\/h3>\n<p>Write Buffer\u7684\u5927\u5c0f\u6703\u76f4\u63a5\u5f71\u97ff\u5230\u7cfb\u7d71\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002\u5982\u679c\u7cfb\u7d71\u5167\u5b58\u8cc7\u6e90\u5145\u8db3\uff0c\u53ef\u4ee5\u8003\u616e\u589e\u5927Write Buffer\u7684\u5927\u5c0f\uff0c\u4ee5\u63d0\u9ad8\u5beb\u5165\u6027\u80fd\uff1b\u4f46\u5982\u679c\u5167\u5b58\u8cc7\u6e90\u6709\u9650\uff0c\u5247\u9700\u8981\u8b39\u614e\u8a2d\u7f6e\uff0c\u4ee5\u907f\u514d\u5f71\u97ff\u5176\u4ed6\u61c9\u7528\u7684\u6027\u80fd\u3002<\/p>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e4%b8%80%e8%87%b4%e6%80%a7%e8%a6%81%e6%b1%82-OAxxxHzWtT\">3. \u6578\u64da\u4e00\u81f4\u6027\u8981\u6c42<\/h3>\n<p>\u5728\u67d0\u4e9b\u61c9\u7528\u5834\u666f\u4e2d\uff0c\u6578\u64da\u7684\u4e00\u81f4\u6027\u8981\u6c42\u8f03\u9ad8\uff0c\u9019\u6642\u5019\u53ef\u4ee5\u8003\u616e\u6e1b\u5c0fWrite Buffer\u7684\u5927\u5c0f\uff0c\u4ee5\u4fbf\u66f4\u5feb\u5730\u5c07\u6578\u64da\u5beb\u5165HBase\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u7684\u53ef\u7528\u6027\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%aewrite-buffer-OAxxxHzWtT\">\u793a\u4f8b\uff1a\u5982\u4f55\u8a2d\u7f6eWrite Buffer<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Java\u4ee3\u78bc\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728HBase\u5ba2\u6236\u7aef\u4e2d\u8a2d\u7f6eWrite Buffer\uff1a<\/p>\n<pre><code>\nimport org.apache.hadoop.hbase.client.Connection;\nimport org.apache.hadoop.hbase.client.ConnectionFactory;\nimport org.apache.hadoop.hbase.client.Table;\nimport org.apache.hadoop.hbase.client.Put;\nimport org.apache.hadoop.hbase.util.Bytes;\n\npublic class HBaseWriteBufferExample {\n    public static void main(String[] args) throws Exception {\n        \/\/ \u8a2d\u7f6eWrite Buffer\u5927\u5c0f\n        System.setProperty(\"hbase.client.write.buffer\", \"10485760\"); \/\/ 10MB\n\n        Connection connection = ConnectionFactory.createConnection();\n        Table table = connection.getTable(Bytes.toBytes(\"my_table\"));\n\n        \/\/ \u5beb\u5165\u6578\u64da\n        Put put = new Put(Bytes.toBytes(\"row1\"));\n        put.addColumn(Bytes.toBytes(\"cf\"), Bytes.toBytes(\"qualifier\"), Bytes.toBytes(\"value\"));\n        table.put(put);\n\n        table.close();\n        connection.close();\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-OAxxxHzWtT\">\u7e3d\u7d50<\/h2>\n<p>\u5408\u7406\u8a2d\u7f6eHBase\u7684\u5ba2\u6236\u7aefWrite Buffer\u5c0d\u65bc\u63d0\u5347\u6578\u64da\u5beb\u5165\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u8003\u616e\u6578\u64da\u5beb\u5165\u983b\u7387\u3001\u7cfb\u7d71\u5167\u5b58\u8cc7\u6e90\u548c\u6578\u64da\u4e00\u81f4\u6027\u8981\u6c42\u7b49\u56e0\u7d20\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u8abf\u6574Write Buffer\u7684\u5927\u5c0f\uff0c\u4ee5\u9054\u5230\u6700\u4f73\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684<code>VPS<\/code>\u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\uff0c\u60a8\u53ef\u4ee5\u8a2a\u554f<a href=\"https:\/\/server.hk\">Server.HK<\/a>\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code>\u9999\u6e2fVPS<\/code>\u548c<code>\u4e91\u670d\u52a1\u5668<\/code>\u7684\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5408\u7406\u8a2d\u7f6eHBase\u5ba2\u6236\u7aefWrite Buffer\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u6578\u64da\u5beb\u5165\u6548\u7387\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-61537","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61537","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=61537"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61537\/revisions"}],"predecessor-version":[{"id":61538,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61537\/revisions\/61538"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61537"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61537"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61537"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}