New htabledescriptor
WebHTableDescriptor descriptor = new HTableDescriptor(TableName.valueOf("myTable")); descriptor.addFamily(new HColumnDescriptor("myFamily")); admin.createTable(descriptor); You need to set at least of family for the table, and HBase reference book recommends not getting over 3 column families else you will lose performances. WebJava HBaseAdmin.getTableDescriptor方法代码示例. 本文整理汇总了Java中 org.apache.hadoop.hbase.client.HBaseAdmin.getTableDescriptor方法 的典型用法代码 …
New htabledescriptor
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WebHTableDescriptor htd = new HTableDescriptor (table); htd.addFamily (new HcolumnDescriptor ("family")); 在上述例子中,通过一个HColumnDescriptor实例,为HTableDescriptor添加了一个列族:family 四、HColumnDescriptor 关 … Web9 jun. 2024 · Guru. Created 06-08-2024 08:27 PM. Either the zookeeper or znode is incorrect. * parent znode for hdp is generally /hbase-unsecure or /hbase-secure (not /hbase) * check you are giving the right zookeeper address while connecting. If you are not specifying them manually, then make sure that right hbase-site.xml is in your application …
Web13 apr. 2024 · HBase Java API 管理功能初始化 Admin 实例123Configuration conf = HBaseConfiguration.create();Connection connection = ConnectionFactory.createConnection(conf);Admin admin = connection.getAdmin(); 管理命名空间查看命名空间12 Web30 okt. 2024 · 错误:构造函数htable(配置字符串)被废弃了 [英] Error: the constructor htable (configuration string) is deprecated. 本文是小编为大家收集整理的关于 错误:构造函数htable(配置字符串)被废弃了 的处理/解决方法,可以参考本文帮助大家快速定位并解决问题,中文翻译不 ...
Web12 dec. 2024 · Here is the code which worked fine for me: conf = HBaseConfiguration.create (); admin = new HBaseAdmin (conf); TableName tableName = TableName.valueOf ("test"); HTableDescriptor htd = new HTableDescriptor (tableName); HColumnDescriptor hcd = new HColumnDescriptor ("data"); htd.addFamily (hcd); admin.createTable (htd); And … Web用法:HTableDescriptor htd =new HTableDescriptor(tablename); Htd.addFamily(new HColumnDescriptor(“myFamily”)); 5.HTable . 关 …
Web样例代码 public void createTable() { LOG.info("Entering testCreateTable."); // Specify the table descriptor. HTableDescriptor htd = new HTableDescriptor(tableName); // Set the column family name to info. HColumnDescriptor hcd = new HColumnDescriptor(CF1); // Set data encoding methods.
Web7 apr. 2024 · 代码样例 以下代码片段在com.huawei.bigdata.hbase.examples包的“HBaseExample”类的testCreateMOBTable方法中 public void tes red bait crabWebHTableDescriptor contains the details about an HBase table such as the descriptors of all the column families, is the table a catalog table, hbase:meta , if the table is read only, the … red bait fishWebHTableDescriptor htd = new HTableDescriptor (table); htd.addFamily (new HcolumnDescriptor ("family")); 在上述例子中,通过一个HColumnDescriptor实例,为HTableDescriptor添加了一个列族:family 四、HColumnDescriptor 关系:org.apache.hadoop.hbase.HColumnDescriptor 作用:维护着关于列族的信息,例如版 … kmart photo blockWeb22 jul. 2024 · HBaseAdmin admin=new HBaseAdmin(config); 3.HTableDescriptor 在HTableDescriptor中,建立了一个表结构,HTableDescriptor封装表格对象,对表格的增删改查操作主要通过它来完成,构造方法如下: HTableDescriptor table = new HTableDescriptor(TableName.valueOf(“表名”)); 4.addFamily red baitcaster reelWeb16 okt. 2024 · Connection conn; // get the HBase connection as you usually do Admin admin = conn.getAdmin (); TableDescriptorBuilder tBuilder = TableDescriptorBuilder.newBuilder (TableName.valueOf (TABLE_NAME)); ColumnFamilyDescriptor CFD = ColumnFamilyDescriptorBuilder.newBuilder (COL_FAMILY_NAME).build (); … red bait mexicoWebpublic HTableDescriptor[] listTables(Pattern pattern) throws IOException { return listTables(pattern, false); red bairWebHTableDescriptor类是属于org.apache.hadoop.hbase。 这个类就像表名和列族的容器一样。 //creating table descriptor HTableDescriptor table = new … red baiters