{"id":131931,"date":"2020-07-06T13:31:30","date_gmt":"2020-07-06T05:31:30","guid":{"rendered":"http:\/\/4563.org\/?p=131931"},"modified":"2020-07-06T13:31:30","modified_gmt":"2020-07-06T05:31:30","slug":"hdfs%e7%9a%84shell%e5%b8%b8%e7%94%a8%e5%91%bd%e4%bb%a4%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=131931","title":{"rendered":"HDFS\u7684shell\u5e38\u7528\u547d\u4ee4\u64cd\u4f5c"},"content":{"rendered":"<p>HDFS\u7684\u547d\u4ee4\u6709\u4e24\u79cd\u98ce\u683c\uff1a<\/p>\n<ul>\n<li>hadoop fs\u5f00\u5934<\/li>\n<li>hdfs dfs\u5f00\u5934<br \/>\u4e24\u79cd\u547d\u4ee4\u90fd\u53ef\u4ee5\u4f7f\u7528\uff0c\u6548\u679c\u76f8\u540c\uff0c\u5efa\u8bae\u4f7f\u7528hdfs dfs\uff0c\u56e0\u4e3ahadoop fs\u4e3a\u8001\u7248\u672c\u7528\u6cd5\uff0c\u517c\u5bb9\u4fdd\u7559\u3002<\/li>\n<\/ul>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u542f\u52a8\u96c6\u7fa4\" title=\"\u542f\u52a8\u96c6\u7fa4\"><\/a>\u542f\u52a8\u96c6\u7fa4<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>start-dfs.sh<\/span><br><span>start-yarn.sh<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u5e2e\u52a9\u547d\u4ee4\" title=\"\u5e2e\u52a9\u547d\u4ee4\"><\/a>\u5e2e\u52a9\u547d\u4ee4<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>[hadoop@node01 ~]$ hdfs dfs -help ls<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u67e5\u770bHDFS\u7cfb\u7edf\u6839\u76ee\u5f55\" title=\"\u67e5\u770bHDFS\u7cfb\u7edf\u6839\u76ee\u5f55\"><\/a>\u67e5\u770bHDFS\u7cfb\u7edf\u6839\u76ee\u5f55<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><span>3<\/span><br><span>4<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>[hadoop@node01 ~]$ hdfs dfs -ls &#x2F;<\/span><br><span>Found 2 items<\/span><br><span>drwx-wx-wx   - hadoop    supergroup          0 2020-05-23 23:55 &#x2F;tmp<\/span><br><span>drwxr-xr-x   - anonymous supergroup          0 2020-05-24 19:23 &#x2F;user<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u521b\u5efa\u6587\u4ef6\u5939\" title=\"\u521b\u5efa\u6587\u4ef6\u5939\"><\/a>\u521b\u5efa\u6587\u4ef6\u5939<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><span>3<\/span><br><span>4<\/span><br><span>5<\/span><br><span>6<\/span><br><span>7<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>[hadoop@node01 ~]$ hdfs dfs -mkdir &#x2F;a<\/span><br><span>[hadoop@node01 ~]$ hdfs dfs -ls &#x2F;<\/span><br><span>Found 4 items<\/span><br><span>drwxr-xr-x   - hadoop    supergroup          0 2020-05-27 01:26 &#x2F;a<\/span><br><span>-rw-r--r--   3 hadoop    supergroup          0 2020-05-26 23:45 &#x2F;edits.txt<\/span><br><span>drwx-wx-wx   - hadoop    supergroup          0 2020-05-23 23:55 &#x2F;tmp<\/span><br><span>drwxr-xr-x   - anonymous supergroup          0 2020-05-24 19:23 &#x2F;user<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u9012\u5f52\u521b\u5efa\u6587\u4ef6\u5939\" title=\"\u9012\u5f52\u521b\u5efa\u6587\u4ef6\u5939\"><\/a>\u9012\u5f52\u521b\u5efa\u6587\u4ef6\u5939<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><span>3<\/span><br><span>4<\/span><br><span>5<\/span><br><span>6<\/span><br><span>7<\/span><br><span>8<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>[hadoop@node01 ~]$ hdfs dfs -mkdir -p  &#x2F;aa&#x2F;bb&#x2F;cc<\/span><br><span>[hadoop@node01 ~]$ hdfs dfs -ls &#x2F;<\/span><br><span>Found 5 items<\/span><br><span>drwxr-xr-x   - hadoop    supergroup          0 2020-05-27 01:26 &#x2F;a<\/span><br><span>drwxr-xr-x   - hadoop    supergroup          0 2020-05-27 01:26 &#x2F;aa<\/span><br><span>-rw-r--r--   3 hadoop    supergroup          0 2020-05-26 23:45 &#x2F;edits.txt<\/span><br><span>drwx-wx-wx   - hadoop    supergroup          0 2020-05-23 23:55 &#x2F;tmp<\/span><br><span>drwxr-xr-x   - anonymous supergroup          0 2020-05-24 19:23 &#x2F;user<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u67e5\u770bhsdf\u7cfb\u7edf\u6839\u76ee\u5f55\u4e0b\u7684\u6240\u6709\u6587\u4ef6\u5305\u62ec\u5b50\u6587\u4ef6\u5939\u91cc\u9762\u7684\u6587\u4ef6\" title=\"\u67e5\u770bhsdf\u7cfb\u7edf\u6839\u76ee\u5f55\u4e0b\u7684\u6240\u6709\u6587\u4ef6\u5305\u62ec\u5b50\u6587\u4ef6\u5939\u91cc\u9762\u7684\u6587\u4ef6\"><\/a>\u67e5\u770bhsdf\u7cfb\u7edf\u6839\u76ee\u5f55\u4e0b\u7684\u6240\u6709\u6587\u4ef6\u5305\u62ec\u5b50\u6587\u4ef6\u5939\u91cc\u9762\u7684\u6587\u4ef6<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><span>3<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>[hadoop@node01 ~]$ hdfs dfs -ls -R &#x2F;aa<\/span><br><span>drwxr-xr-x   - hadoop supergroup          0 2020-05-27 01:26 &#x2F;aa&#x2F;bb<\/span><br><span>drwxr-xr-x   - hadoop supergroup          0 2020-05-27 01:26 &#x2F;aa&#x2F;bb&#x2F;cc<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u521b\u5efa\u6587\u4ef6\" title=\"\u521b\u5efa\u6587\u4ef6\"><\/a>\u521b\u5efa\u6587\u4ef6<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><span>3<\/span><br><span>4<\/span><br><span>5<\/span><br><span>6<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>[hadoop@node01 ~]$ hdfs dfs -touchz &#x2F;edits.txt<\/span><br><span>[hadoop@node01 ~]$ hdfs dfs -ls &#x2F;<\/span><br><span>Found 3 items<\/span><br><span>-rw-r--r--   3 hadoop    supergroup          0 2020-05-26 23:45 &#x2F;edits.txt<\/span><br><span>drwx-wx-wx   - hadoop    supergroup          0 2020-05-23 23:55 &#x2F;tmp<\/span><br><span>drwxr-xr-x   - anonymous supergroup          0 2020-05-24 19:23 &#x2F;use<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u4ece\u672c\u5730\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6587\u4ef6\u8ffd\u52a0\u5230hdfs\" title=\"\u4ece\u672c\u5730\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6587\u4ef6\u8ffd\u52a0\u5230hdfs\"><\/a>\u4ece\u672c\u5730\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6587\u4ef6\u8ffd\u52a0\u5230hdfs<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><span>3<\/span><br><span>4<\/span><br><span>5<\/span><br><span>6<\/span><br><span>7<\/span><br><span>8<\/span><br><span>9<\/span><br><span>10<\/span><br><span>11<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>vim words.txt<\/span><br><span><\/span><br><span>aaa<\/span><br><span>bbb<\/span><br><span>ccc<\/span><br><span>ddd<\/span><br><span>eee<\/span><br><span>fff<\/span><br><span>hhh<\/span><br><span><\/span><br><span>[hadoop@node01 ~]$ hdfs dfs -appendToFile world.txt &#x2F;edits.txt<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u67e5\u770bhdfs\u6587\u4ef6\u5185\u5bb9\" title=\"\u67e5\u770bhdfs\u6587\u4ef6\u5185\u5bb9\"><\/a>\u67e5\u770bhdfs\u6587\u4ef6\u5185\u5bb9<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><span>3<\/span><br><span>4<\/span><br><span>5<\/span><br><span>6<\/span><br><span>7<\/span><br><span>8<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>[hadoop@node01 ~]$ hdfs dfs -cat &#x2F;edits.txt<\/span><br><span>aaa<\/span><br><span>bbb<\/span><br><span>ccc<\/span><br><span>ddd<\/span><br><span>eee<\/span><br><span>fff<\/span><br><span>hhh<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u67e5\u770bhdfs\u6587\u4ef6\u5185\u5bb9tail\" title=\"\u67e5\u770bhdfs\u6587\u4ef6\u5185\u5bb9tail\"><\/a>\u67e5\u770bhdfs\u6587\u4ef6\u5185\u5bb9tail<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><span>3<\/span><br><span>4<\/span><br><span>5<\/span><br><span>6<\/span><br><span>7<\/span><br><span>8<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>[hadoop@node01 ~]$ hdfs dfs -tail &#x2F;edits.txt<\/span><br><span>aaa<\/span><br><span>bbb<\/span><br><span>ccc<\/span><br><span>ddd<\/span><br><span>eee<\/span><br><span>fff<\/span><br><span>hhh<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u4ece\u672c\u5730\u6587\u4ef6\u4e0a\u4f20\u6587\u4ef6\u5230hdfs\" title=\"\u4ece\u672c\u5730\u6587\u4ef6\u4e0a\u4f20\u6587\u4ef6\u5230hdfs\"><\/a>\u4ece\u672c\u5730\u6587\u4ef6\u4e0a\u4f20\u6587\u4ef6\u5230hdfs<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><span>3<\/span><br><span>4<\/span><br><span>5<\/span><br><span>6<\/span><br><span>7<\/span><br><span>8<\/span><br><span>9<\/span><br><span>10<\/span><br><span>11<\/span><br><span>12<\/span><br><span>13<\/span><br><span>14<\/span><br><span>15<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>[hadoop@node01 ~]$ cp world.txt world1.txt<\/span><br><span>[hadoop@node01 ~]$ hdfs dfs -put world1.txt &#x2F;<\/span><br><span>[hadoop@node01 ~]$ hdfs dfs -ls &#x2F;<\/span><br><span>Found 6 items<\/span><br><span>drwxr-xr-x   - hadoop    supergroup          0 2020-05-27 01:26 &#x2F;a<\/span><br><span>drwxr-xr-x   - hadoop    supergroup          0 2020-05-27 01:26 &#x2F;aa<\/span><br><span>-rw-r--r--   3 hadoop    supergroup         28 2020-05-27 01:30 &#x2F;edits.txt<\/span><br><span>drwx-wx-wx   - hadoop    supergroup          0 2020-05-23 23:55 &#x2F;tmp<\/span><br><span>drwxr-xr-x   - anonymous supergroup          0 2020-05-24 19:23 &#x2F;user<\/span><br><span>-rw-r--r--   3 hadoop    supergroup         28 2020-05-27 01:32 &#x2F;world1.txt<\/span><br><span><\/span><br><span><\/span><br><span># \u7c7b\u4f3c\u547d\u4ee4<\/span><br><span>hdfs dfs -copyFromLocal world1.txt &#x2F;<\/span><br><span>hdfs dfs -moveFromLocal world1.txt &#x2F;<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u4ecehdfs\u4e0b\u8f7d\u6587\u4ef6\u5230\u672c\u5730\" title=\"\u4ecehdfs\u4e0b\u8f7d\u6587\u4ef6\u5230\u672c\u5730\"><\/a>\u4ecehdfs\u4e0b\u8f7d\u6587\u4ef6\u5230\u672c\u5730<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>hdfs dfs -get &#x2F;world1.txt &#x2F;<\/span><br><span>hdfs dfs -copyToLocal &#x2F;world1.txt &#x2F;<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#hdfs-\u4e2d\u5220\u9664\u6587\u4ef6-\u9ed8\u8ba4\u653e\u5165\u56de\u6536\u7ad9\u4e2d\" title=\"hdfs \u4e2d\u5220\u9664\u6587\u4ef6,\u9ed8\u8ba4\u653e\u5165\u56de\u6536\u7ad9\u4e2d\"><\/a>hdfs \u4e2d\u5220\u9664\u6587\u4ef6,\u9ed8\u8ba4\u653e\u5165\u56de\u6536\u7ad9\u4e2d<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>[hadoop@node01 ~]$ hdfs dfs -rm &#x2F;world1.txt<\/span><br><span>20&#x2F;05&#x2F;27 01:34:00 INFO fs.TrashPolicyDefault: Moved: &#39;hdfs:&#x2F;&#x2F;node01:9000&#x2F;world1.txt&#39; to trash at: hdfs:&#x2F;&#x2F;node01:9000&#x2F;user&#x2F;hadoop&#x2F;.Trash&#x2F;Current&#x2F;world1.txt<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u9012\u5f52\u5220\u9664\u6587\u4ef6\" title=\"\u9012\u5f52\u5220\u9664\u6587\u4ef6\"><\/a>\u9012\u5f52\u5220\u9664\u6587\u4ef6<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>[hadoop@node01 ~]$ hdfs dfs -rm -r &#x2F;aa&#x2F;bb<\/span><br><span>20&#x2F;05&#x2F;27 01:39:12 INFO fs.TrashPolicyDefault: Moved: &#39;hdfs:&#x2F;&#x2F;node01:9000&#x2F;aa&#x2F;bb&#39; to trash at: hdfs:&#x2F;&#x2F;node01:9000&#x2F;user&#x2F;hadoop&#x2F;.Trash&#x2F;Current&#x2F;aa&#x2F;bb<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#hdfs\u4e2d\u79fb\u52a8\u6216\u91cd\u547d\u540d\u6587\u4ef6\" title=\"hdfs\u4e2d\u79fb\u52a8\u6216\u91cd\u547d\u540d\u6587\u4ef6\"><\/a>hdfs\u4e2d\u79fb\u52a8\u6216\u91cd\u547d\u540d\u6587\u4ef6<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><span>3<\/span><br><span>4<\/span><br><span>5<\/span><br><span>6<\/span><br><span>7<\/span><br><span>8<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>[hadoop@node01 ~]$ hdfs dfs -mv &#x2F;edits.txt &#x2F;edits1.txt<\/span><br><span>[hadoop@node01 ~]$ hdfs dfs -ls &#x2F;<\/span><br><span>Found 5 items<\/span><br><span>drwxr-xr-x   - hadoop    supergroup          0 2020-05-27 01:26 &#x2F;a<\/span><br><span>drwxr-xr-x   - hadoop    supergroup          0 2020-05-27 01:26 &#x2F;aa<\/span><br><span>-rw-r--r--   3 hadoop    supergroup         28 2020-05-27 01:30 &#x2F;edits1.txt<\/span><br><span>drwx-wx-wx   - hadoop    supergroup          0 2020-05-23 23:55 &#x2F;tmp<\/span><br><span>drwxr-xr-x   - anonymous supergroup          0 2020-05-24 19:23 &#x2F;user<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u79fb\u52a8\u6216\u91cd\u547d\u540d\u6587\u4ef6\" title=\"\u79fb\u52a8\u6216\u91cd\u547d\u540d\u6587\u4ef6\"><\/a>\u79fb\u52a8\u6216\u91cd\u547d\u540d\u6587\u4ef6<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><span>3<\/span><br><span>4<\/span><br><span>5<\/span><br><span>6<\/span><br><span>7<\/span><br><span>8<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>[hadoop@node01 ~]$ hdfs dfs -mv &#x2F;edits.txt &#x2F;edits1.txt<\/span><br><span>[hadoop@node01 ~]$ hdfs dfs -ls &#x2F;<\/span><br><span>Found 5 items<\/span><br><span>drwxr-xr-x   - hadoop    supergroup          0 2020-05-27 01:26 &#x2F;a<\/span><br><span>drwxr-xr-x   - hadoop    supergroup          0 2020-05-27 01:26 &#x2F;aa<\/span><br><span>-rw-r--r--   3 hadoop    supergroup         28 2020-05-27 01:30 &#x2F;edits1.txt<\/span><br><span>drwx-wx-wx   - hadoop    supergroup          0 2020-05-23 23:55 &#x2F;tmp<\/span><br><span>drwxr-xr-x   - anonymous supergroup          0 2020-05-24 19:23 &#x2F;user<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u62f7\u8d1d\u6587\u4ef6\" title=\"\u62f7\u8d1d\u6587\u4ef6\"><\/a>\u62f7\u8d1d\u6587\u4ef6<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><span>3<\/span><br><span>4<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>[hadoop@node01 ~]$ hdfs dfs -cp &#x2F;edits1.txt &#x2F;a<\/span><br><span>[hadoop@node01 ~]$ hdfs dfs -ls &#x2F;a<\/span><br><span>Found 1 items<\/span><br><span>-rw-r--r--   3 hadoop supergroup         28 2020-05-27 01:38 &#x2F;a&#x2F;edits1.txt<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u5217\u51fa\u672c\u5730\u6587\u4ef6\u7684\u5185\u5bb9-\u9ed8\u8ba4hdfs\u5185\u5bb9\" title=\"\u5217\u51fa\u672c\u5730\u6587\u4ef6\u7684\u5185\u5bb9,\u9ed8\u8ba4hdfs\u5185\u5bb9\"><\/a>\u5217\u51fa\u672c\u5730\u6587\u4ef6\u7684\u5185\u5bb9,\u9ed8\u8ba4hdfs\u5185\u5bb9<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><span>3<\/span><br><span>4<\/span><br><span>5<\/span><br><span>6<\/span><br><span>7<\/span><br><span>8<\/span><br><span>9<\/span><br><span>10<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>[hadoop@node01 ~]$ hdfs dfs -ls file:&#x2F;&#x2F;&#x2F;home&#x2F;hadoop&#x2F;<\/span><br><span>Found 8 items<\/span><br><span>-rw-------   1 hadoop hadoop       4670 2020-05-24 12:01 file:&#x2F;&#x2F;&#x2F;home&#x2F;hadoop&#x2F;.bash_history<\/span><br><span>-rw-r--r--   1 hadoop hadoop         18 2017-08-03 05:11 file:&#x2F;&#x2F;&#x2F;home&#x2F;hadoop&#x2F;.bash_logout<\/span><br><span>-rw-r--r--   1 hadoop hadoop        406 2020-05-12 00:06 file:&#x2F;&#x2F;&#x2F;home&#x2F;hadoop&#x2F;.bash_profile<\/span><br><span>-rw-r--r--   1 hadoop hadoop        231 2017-08-03 05:11 file:&#x2F;&#x2F;&#x2F;home&#x2F;hadoop&#x2F;.bashrc<\/span><br><span>drwx------   - hadoop hadoop         80 2020-05-14 12:33 file:&#x2F;&#x2F;&#x2F;home&#x2F;hadoop&#x2F;.ssh<\/span><br><span>-rw-------   1 hadoop hadoop       8068 2020-05-27 01:29 file:&#x2F;&#x2F;&#x2F;home&#x2F;hadoop&#x2F;.viminfo<\/span><br><span>-rw-rw-r--   1 hadoop hadoop         28 2020-05-27 01:29 file:&#x2F;&#x2F;&#x2F;home&#x2F;hadoop&#x2F;world.txt<\/span><br><span>-rw-rw-r--   1 hadoop hadoop         28 2020-05-27 01:32 file:&#x2F;&#x2F;&#x2F;home&#x2F;hadoop&#x2F;world1.txt<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u67e5\u627e\u6587\u4ef6\" title=\"\u67e5\u627e\u6587\u4ef6\"><\/a>\u67e5\u627e\u6587\u4ef6<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><span>3<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>[hadoop@node01 ~]$ hadoop fs -find &#x2F; -name edits1.txt<\/span><br><span>&#x2F;a&#x2F;edits1.txt<\/span><br><span>&#x2F;edits1.txt<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u663e\u793a\u6587\u4ef6\u5927\u5c0f\" title=\"\u663e\u793a\u6587\u4ef6\u5927\u5c0f\"><\/a>\u663e\u793a\u6587\u4ef6\u5927\u5c0f<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><span>3<\/span><br><span>4<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>[hadoop@node01 ~]$ hdfs dfs -du -h &#x2F;<\/span><br><span>28       84     &#x2F;a<\/span><br><span>0        0      &#x2F;aa<\/span><br><span>28       84     &#x2F;edits1.txt<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u6539\u53d8\u6587\u4ef6\u6240\u5c5e\u7ec4\" title=\"\u6539\u53d8\u6587\u4ef6\u6240\u5c5e\u7ec4\"><\/a>\u6539\u53d8\u6587\u4ef6\u6240\u5c5e\u7ec4<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>hdfs dfs -chgrp [-R] GROUP<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u6539\u53d8\u6587\u4ef6\u7684\u6743\u9650\" title=\"\u6539\u53d8\u6587\u4ef6\u7684\u6743\u9650\"><\/a>\u6539\u53d8\u6587\u4ef6\u7684\u6743\u9650<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>hdfs dfs -chmod [-R] &lt;MODE[,MODE]... | OCTALMODE&gt; URI [URI \u2026]<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u6539\u53d8\u6587\u4ef6\u7684\u62e5\u6709\u8005\" title=\"\u6539\u53d8\u6587\u4ef6\u7684\u62e5\u6709\u8005\"><\/a>\u6539\u53d8\u6587\u4ef6\u7684\u62e5\u6709\u8005<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>hdfs dfs -chown [-R] [OWNER][:[GROUP]] URI [URI ]<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<p><a href=\"http:\/\/hadoop.apache.org\/docs\/r1.0.4\/cn\/hdfs_permissions_guide.html\">HDFS\u6743\u9650\u7ba1\u7406\u7528\u6237\u6307\u5357<\/a><\/p>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u6e05\u7a7a\u56de\u6536\u7ad9\" title=\"\u6e05\u7a7a\u56de\u6536\u7ad9\"><\/a>\u6e05\u7a7a\u56de\u6536\u7ad9<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>hdfs dfs -expunge<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u67e5\u770b\u96c6\u7fa4\u8fd0\u884c\u72b6\u6001\" title=\"\u67e5\u770b\u96c6\u7fa4\u8fd0\u884c\u72b6\u6001\"><\/a>\u67e5\u770b\u96c6\u7fa4\u8fd0\u884c\u72b6\u6001<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><span>3<\/span><br><span>4<\/span><br><span>5<\/span><br><span>6<\/span><br><span>7<\/span><br><span>8<\/span><br><span>9<\/span><br><span>10<\/span><br><span>11<\/span><br><span>12<\/span><br><span>13<\/span><br><span>14<\/span><br><span>15<\/span><br><span>16<\/span><br><span>17<\/span><br><span>18<\/span><br><span>19<\/span><br><span>20<\/span><br><span>21<\/span><br><span>22<\/span><br><span>23<\/span><br><span>24<\/span><br><span>25<\/span><br><span>26<\/span><br><span>27<\/span><br><span>28<\/span><br><span>29<\/span><br><span>30<\/span><br><span>31<\/span><br><span>32<\/span><br><span>33<\/span><br><span>34<\/span><br><span>35<\/span><br><span>36<\/span><br><span>37<\/span><br><span>38<\/span><br><span>39<\/span><br><span>40<\/span><br><span>41<\/span><br><span>42<\/span><br><span>43<\/span><br><span>44<\/span><br><span>45<\/span><br><span>46<\/span><br><span>47<\/span><br><span>48<\/span><br><span>49<\/span><br><span>50<\/span><br><span>51<\/span><br><span>52<\/span><br><span>53<\/span><br><span>54<\/span><br><span>55<\/span><br><span>56<\/span><br><span>57<\/span><br><span>58<\/span><br><span>59<\/span><br><span>60<\/span><br><span>61<\/span><br><span>62<\/span><br><span>63<\/span><br><span>64<\/span><br><span>65<\/span><br><span>66<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>[hadoop@node01 ~]$ hdfs dfsadmin -report<\/span><br><span>Configured Capacity: 151298519040 (140.91 GB)<\/span><br><span>Present Capacity: 142971727989 (133.15 GB)<\/span><br><span>DFS Remaining: 141700521984 (131.97 GB)<\/span><br><span>DFS Used: 1271206005 (1.18 GB)<\/span><br><span>DFS Used%: 0.89%<\/span><br><span>Under replicated blocks: 45<\/span><br><span>Blocks with corrupt replicas: 0<\/span><br><span>Missing blocks: 0<\/span><br><span>Missing blocks (with replication factor 1): 0<\/span><br><span><\/span><br><span>-------------------------------------------------<\/span><br><span>Live datanodes (3):<\/span><br><span><\/span><br><span>Name: 172.16.87.131:50010 (node01)<\/span><br><span>Hostname: node01<\/span><br><span>Decommission Status : Normal<\/span><br><span>Configured Capacity: 50432839680 (46.97 GB)<\/span><br><span>DFS Used: 423735335 (404.11 MB)<\/span><br><span>Non DFS Used: 2115256281 (1.97 GB)<\/span><br><span>DFS Remaining: 47893848064 (44.60 GB)<\/span><br><span>DFS Used%: 0.84%<\/span><br><span>DFS Remaining%: 94.97%<\/span><br><span>Configured Cache Capacity: 0 (0 B)<\/span><br><span>Cache Used: 0 (0 B)<\/span><br><span>Cache Remaining: 0 (0 B)<\/span><br><span>Cache Used%: 100.00%<\/span><br><span>Cache Remaining%: 0.00%<\/span><br><span>Xceivers: 1<\/span><br><span>Last contact: Wed May 27 01:42:18 CST 2020<\/span><br><span><\/span><br><span><\/span><br><span>Name: 172.16.87.132:50010 (node02)<\/span><br><span>Hostname: node02<\/span><br><span>Decommission Status : Normal<\/span><br><span>Configured Capacity: 50432839680 (46.97 GB)<\/span><br><span>DFS Used: 423735335 (404.11 MB)<\/span><br><span>Non DFS Used: 3714293721 (3.46 GB)<\/span><br><span>DFS Remaining: 46294810624 (43.12 GB)<\/span><br><span>DFS Used%: 0.84%<\/span><br><span>DFS Remaining%: 91.79%<\/span><br><span>Configured Cache Capacity: 0 (0 B)<\/span><br><span>Cache Used: 0 (0 B)<\/span><br><span>Cache Remaining: 0 (0 B)<\/span><br><span>Cache Used%: 100.00%<\/span><br><span>Cache Remaining%: 0.00%<\/span><br><span>Xceivers: 1<\/span><br><span>Last contact: Wed May 27 01:42:19 CST 2020<\/span><br><span><\/span><br><span><\/span><br><span>Name: 172.16.87.133:50010 (node03)<\/span><br><span>Hostname: node03<\/span><br><span>Decommission Status : Normal<\/span><br><span>Configured Capacity: 50432839680 (46.97 GB)<\/span><br><span>DFS Used: 423735335 (404.11 MB)<\/span><br><span>Non DFS Used: 2497241049 (2.33 GB)<\/span><br><span>DFS Remaining: 47511863296 (44.25 GB)<\/span><br><span>DFS Used%: 0.84%<\/span><br><span>DFS Remaining%: 94.21%<\/span><br><span>Configured Cache Capacity: 0 (0 B)<\/span><br><span>Cache Used: 0 (0 B)<\/span><br><span>Cache Remaining: 0 (0 B)<\/span><br><span>Cache Used%: 100.00%<\/span><br><span>Cache Remaining%: 0.00%<\/span><br><span>Xceivers: 1<\/span><br><span>Last contact: Wed May 27 01:42:18 CST 2020<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n","protected":false},"excerpt":{"rendered":"<p>HDFS\u7684\u547d\u4ee4\u6709\u4e24\u79cd\u98ce\u683c\uff1a had&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/131931"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=131931"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/131931\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=131931"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=131931"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=131931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}