Changes between Initial Version and Version 1 of NCHCCloudCourse100929_2_USE

Timestamp:

Sep 27, 2010, 4:58:13 PM (15 years ago)

Author:

waue

Comment:

--

NCHCCloudCourse100929_2_USE

@@ +1 @@
+{{{
+#!html
+<div style="text-align: center; color:#151B8D"><big style="font-weight: bold;"><big><big>
+Hbase 使用方法
+</big></big></big></div> <div style="text-align: center; color:#7E2217"><big style="font-weight: bold;"><big>
+HBase 0.20 + Hadoop 0.20
+</big></big></div>
+}}}
+[[PageOutline]]
+
+ = 列出所有 table = 
+
+{{{
+hbase(main):>   list
+}}}
+
+ = 新增 table = 
+
+ A.  直接增加一個表 t1
+
+{{{
+hbase(main):>   create ‘t1’
+}}}
+
+ B. 增加一個擁有 ’f1’,’f2’,’fn’ 為 column family 的表: t2
+
+{{{
+hbase(main):>   create ‘t2’,’f1’,’f2’,’fn’   
+}}}
+
+ = 加入cell-value = 
+
+需先擁有表 t1 與column-family : f1
+ 
+{{{
+hbase(main):>   put 't1', 'r1', 'f1:c1', 'value'    
+}}}
+
+ = 刪除 cell-value = 
+
+{{{
+hbase(main):>   deleteall ‘t1’,’r1’
+}}}
+
+
+
+ = 列出cell-value = 
+
+{{{
+hbase(main):>   get 't1', 'r1'
+}}}
+ 
+ * 執行結果參考
+
+{{{
+#!text
+COLUMN                          CELL                                                                             
+ f1:c1                          timestamp=1285041409509, value=value                                             
+ f1:c2                          timestamp=1285041661078, value=9
+            get ‘t1’, ‘r1’, {column => ‘f1:c1’}                       
+}}}    
+
+ = 加入column family = 
+
+{{{
+hbase(main):>   disable ‘t1’
+hbase(main):>   alter 't1', {NAME => 'f1'}
+hbase(main):>   enable ‘t1’
+}}}    
+
+ = 刪除column family = 
+
+{{{
+hbase(main):>   alter 't1', {NAME => 'f1', METHOD => 'delete'}
+}}}    
+
+ = 節點狀態 = 
+
+{{{
+hbase(main):>   status
+}}}    
+
+ = 刪除整張table = 
+
+{{{
+hbase(main):>   truncate ‘t1’
+hbase(main):>   disable ‘t1’
+hbase(main):>   drop ‘t1’
+}}}