{"id":1902,"date":"2020-01-13T18:26:48","date_gmt":"2020-01-13T10:26:48","guid":{"rendered":"https:\/\/nj.transwarp.cn:8180\/?p=1902"},"modified":"2020-01-13T18:26:48","modified_gmt":"2020-01-13T10:26:48","slug":"hdfs-%e5%91%bd%e4%bb%a4%e6%89%a7%e8%a1%8c%e6%83%85%e5%86%b5%e5%92%8c%e5%ae%9e%e9%99%85%e4%b8%8d%e4%b8%80%e8%87%b4%e7%9a%84%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/kbwp.transwarp.cn\/?p=1902","title":{"rendered":"hdfs \u547d\u4ee4\u6267\u884c\u60c5\u51b5\u548c\u5b9e\u9645\u4e0d\u4e00\u81f4\u7684\u95ee\u9898"},"content":{"rendered":"<h3>\u6982\u8981\u63cf\u8ff0<\/h3>\n<hr \/>\n<p>HDFS \u5206\u4e3a \u5ba2\u6237\u7aef\uff08client\uff09\u548c \u670d\u52a1\u7aef\uff08server\uff09\uff0chdfs \u5728\u63d0\u4ea4\u6267\u884c\u65f6\u52a0\u8f7d\u7684\u662f \u5ba2\u6237\u7aef\uff08client\uff09\u7684\u672c\u5730\u7684 library\uff0c\u6240\u4ee5\u4f1a\u51fa\u73b0\u67d0\u4e9b\u5f02\u5e38\u60c5\u51b5\uff0c\u6bd4\u5982\uff1a<\/p>\n<ol>\n<li>hdfs getconf -confKey &lt;&gt; \u547d\u4ee4\u83b7\u53d6\u6570\u636e\u548c\u96c6\u7fa4\u5b9e\u9645\u914d\u7f6e\u4e0d\u4e00\u81f4<\/li>\n<li>hdfs \u63d0\u4ea4\u547d\u4ee4\u5931\u8d25\uff0c\u8fde\u63a5\u7684 namenode \u548c\u5b9e\u9645\u7684namenode \u4e0d\u4e00\u81f4<\/li>\n<\/ol>\n<h3>\u8be6\u7ec6\u8bf4\u660e<\/h3>\n<hr \/>\n<p>hdfs \u547d\u4ee4\u5728\u63d0\u4ea4\u6267\u884c\u65f6\uff0c\u9996\u5148\u5224\u65ad\u547d\u4ee4\u662f\u5426\u6b63\u786e\uff0c\u7136\u540e\u52a0\u8f7d\u672c\u5730\u7684\u914d\u7f6e\u9879\uff0c\u8fdc\u7a0b\u8c03\u7528\u5b89\u5168\u8ba4\u8bc1\uff0c\u901a\u8fc7\u4e4b\u540e\u6267\u884c\uff1b<\/p>\n<pre><code class=\"language-java\">2020-01-13 17:59:21,580 DEBUG util.NativeCodeLoader: Trying to load the custom-built native-hadoop library...\n2020-01-13 17:59:21,580 DEBUG util.NativeCodeLoader: Loaded the native-hadoop library<\/code><\/pre>\n<p>\u4ece\u4ee5\u4e0a\u7684\u987a\u5e8f\u53ef\u4ee5\u770b\u51fa\uff0c\u5f53hdfs \u5728\u83b7\u53d6\u914d\u7f6e\u65f6\uff0c\u662f\u4f18\u5148\u52a0\u8f7d\u672c\u5730\u7684\u5ba2\u6237\u7aef\u914d\u7f6e\uff0c\u6240\u4ee5\u5f53\u5ba2\u6237\u7aef\u548c hdfs server \u7aef\u4e0d\u4e00\u81f4\uff0c\u4f1a\u51fa\u73b0\u4ee5\u4e0b\u5f02\u5e38\u60c5\u51b5\u3002<\/p>\n<h4>\u6848\u4f8b1\uff1agetconf<\/h4>\n<p>\u5f53\u4f7f\u7528\u547d\u4ee4 hdfs getconf \u53ef\u4ee5\u67e5\u770bhdfs\u7684\u53c2\u6570\u503c\u3002\u4f46\u662f\u5b9e\u9645\u4f7f\u7528\u53d1\u73b0\uff0c\u5728 8180 \u9875\u9762\u4fee\u6539\u6216\u8005\u65b0\u589e\u7684\u53c2\u6570\u503c\u901a\u8fc7\u8fd9\u4e2a\u547d\u4ee4\u67e5\u770b\u540e\uff0c\u8bfb\u53d6\u7684\u8fd8\u662f\u539f\u6765\u7684\u9ed8\u8ba4\u53c2\u6570\u503c\uff1a<\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2019\/12\/image-1577328229143.png\" alt=\"file\" \/><\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2019\/12\/image-1577326877718.png\" alt=\"file\" \/><\/p>\n<p><strong>\u9488\u5bf9\u8be5\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\u6709\u4e24\u79cd\uff1a<\/strong><\/p>\n<ol>\n<li>\u66f4\u6362\u6700\u65b0\u7684 hdfs \u7684\u5ba2\u6237\u7aef\uff0c\u5728TDH \u96c6\u7fa4\u4e2d\u4e5f\u5c31\u662f\u66f4\u6362 TDH-client<\/li>\n<li>\u5728 hdfs \u7684\u4efb\u610f\u89d2\u8272\u7684 pod \u5185\u6267\u884c\uff0cpod \u5185\u7684 hdfs \u5ba2\u6237\u7aef\u5de5\u5177\u52a0\u8f7d\u7684\u662f\u6700\u8fd1\u7684\u914d\u7f6e\uff1b<\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2019\/12\/image-1577328546334.png\" alt=\"file\" \/><\/p>\n<h4>\u6848\u4f8b2\uff1a\u8fc1\u79fb namenode<\/h4>\n<p>\u5f53 HADOOP \u96c6\u7fa4\u8fc1\u79fb\u4e4b\u540e\uff0c\u5982\u679c\u5ba2\u6237\u7aef\u6ca1\u6709\u53ca\u65f6\u66f4\u65b0\uff0c\u4f1a\u51fa\u73b0 hdfs \u8fde\u63a5\u8fc1\u79fb\u4e4b\u524d\u7684 namenode \u7684\u60c5\u51b5\uff1b<\/p>\n<p>\u6bd4\u5982\u8fc1\u79fb\u4e4b\u524d namenode \u5728 tdh-01 \u548c tdh-02\u4e0a\uff1b\u8fc1\u79fb\u4e4b\u540e\u53d8\u6210 tdh-02 \u548c tdh-03\uff1b<br \/>\n\u8fc1\u79fb\u540e tdh-03 \u53d8\u6210\u4e86 active \u7684 namenode\uff0c<\/p>\n<p>\u6b64\u65f6\u9700\u8981\u8fde\u63a5 namenode \u7684\u547d\u4ee4\uff08\u6bd4\u5982 hdfs dfs -get \/tmp\/testdata\uff09\uff0c\u5728\u8fde\u63a5\u65f6\u4f1a\u8fde\u63a5\u539f\u6765\u7684 tdh-01\u548c tdh-02\uff0c\u6b64\u65f6 tdh-01 \u4e0a\u5df2\u7ecf\u6ca1\u6709 namenode\uff0c\u800ctdh-02 \u662fstandby \u7684\u65e0\u6cd5\u63d0\u4f9b\u670d\u52a1\uff0c\u6b64\u65f6\u6267\u884c\u7684 get \u547d\u4ee4\u4e5f\u5c31\u62a5\u9519\u8fde\u4e0d\u4e0a namenode \u7684 8020 \u7aef\u53e3\u5931\u8d25\u3002<\/p>\n<p><strong>\u9488\u5bf9\u8be5\u95ee\u9898\u7684\u5efa\u8bae\u7684\u89e3\u51b3\u65b9\u6848\u5982\u4e0b\uff1a<\/strong><\/p>\n<ol>\n<li>\u66f4\u6362\u6700\u65b0\u7684 hdfs \u7684\u5ba2\u6237\u7aef\uff0c\u5728TDH \u96c6\u7fa4\u4e2d\u4e5f\u5c31\u662f\u66f4\u6362 TDH-client<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981\u63cf\u8ff0 HDFS \u5206\u4e3a \u5ba2\u6237\u7aef\uff08client\uff09\u548c \u670d\u52a1\u7aef\uff08server\uff09\uff0chdfs \u5728\u63d0\u4ea4\u6267\u884c\u65f6\u52a0\u8f7d\u7684\u662f \u5ba2 ..<\/p>\n<div class=\"clear-fix\"><\/div>\n<p><a href=\"https:\/\/kbwp.transwarp.cn\/?p=1902\" title=\"read more...\">Read more<\/a><\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1902","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/1902","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1902"}],"version-history":[{"count":1,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/1902\/revisions"}],"predecessor-version":[{"id":1962,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/1902\/revisions\/1962"}],"wp:attachment":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1902"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1902"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1902"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}