本文整理汇总了Java中org.apache.hadoop.hbase.util.RegionSplitter.HexStringSplit方法的典型用法代码示例。如果您正苦于以下问题：Java RegionSplitter.HexStringSplit方法的具体用法？Java RegionSplitter.HexStringSplit怎么用？Java RegionSplitter.HexStringSplit使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.hbase.util.RegionSplitter的用法示例。
在下文中一共展示了RegionSplitter.HexStringSplit方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: run
import org.apache.hadoop.hbase.util.RegionSplitter; //导入方法依赖的package包/类
@Override
public void run() {
long startTime, endTime;
HTableDescriptor desc = new HTableDescriptor(TABLE_NAME);
desc.addFamily(new HColumnDescriptor(COLUMN_NAME));
SplitAlgorithm algo = new RegionSplitter.HexStringSplit();
byte[][] splits = algo.split(REGION_COUNT);
LOG.info(String.format("Creating table %s with %d splits.",
TABLE_NAME, REGION_COUNT));
startTime = System.currentTimeMillis();
try {
admin.createTable(desc, splits);
endTime = System.currentTimeMillis();
success = true;
LOG.info(String.format("Pre-split table created successfully in %dms.",
(endTime - startTime)));
} catch (IOException e) {
LOG.error("Failed to create table", e);
} finally {
doneSignal.countDown();
}
}
示例2: run
import org.apache.hadoop.hbase.util.RegionSplitter; //导入方法依赖的package包/类
@Override
public void run() {
long startTime, endTime;
HTableDescriptor desc = new HTableDescriptor(TableName.valueOf(TABLE_NAME));
desc.addFamily(new HColumnDescriptor(COLUMN_NAME));
SplitAlgorithm algo = new RegionSplitter.HexStringSplit();
byte[][] splits = algo.split(REGION_COUNT);
LOG.info(String.format("Creating table %s with %d splits.",
TABLE_NAME, REGION_COUNT));
startTime = System.currentTimeMillis();
try {
admin.createTable(desc, splits);
endTime = System.currentTimeMillis();
success = true;
LOG.info(String.format("Pre-split table created successfully in %dms.",
(endTime - startTime)));
} catch (IOException e) {
LOG.error("Failed to create table", e);
} finally {
doneSignal.countDown();
}
}
示例3: testCreateTableWithRegions
import org.apache.hadoop.hbase.util.RegionSplitter; //导入方法依赖的package包/类
@Test
public void testCreateTableWithRegions() throws Exception {
HTableDescriptor desc = new HTableDescriptor(TABLE_NAME);
desc.addFamily(new HColumnDescriptor("cf"));
SplitAlgorithm algo = new RegionSplitter.HexStringSplit();
byte[][] splits = algo.split(REGION_COUNT);
LOG.info(String.format("Creating table %s with %d splits.", TABLE_NAME, REGION_COUNT));
long startTime = System.currentTimeMillis();
try {
admin.createTable(desc, splits);
LOG.info(String.format("Pre-split table created successfully in %dms.",
(System.currentTimeMillis() - startTime)));
} catch (IOException e) {
LOG.error("Failed to create table", e);
}
}
示例4: createMirroredTableIfNotExists
import org.apache.hadoop.hbase.util.RegionSplitter; //导入方法依赖的package包/类
public void createMirroredTableIfNotExists(String hbaseTableName, Integer versions) {
try {
if (!DRY_RUN) {
if (connection == null) {
connection = ConnectionFactory.createConnection(hbaseConf);
}
Admin admin = connection.getAdmin();
TableName tableName = TableName.valueOf(hbaseTableName);
if (!admin.tableExists(tableName)) {
LOGGER.info("table " + hbaseTableName + " does not exist in HBase. Creating...");
HTableDescriptor tableDescriptor = new HTableDescriptor(tableName);
HColumnDescriptor cd = new HColumnDescriptor("d");
cd.setMaxVersions(versions);
tableDescriptor.addFamily(cd);
// presplit into 16 regions
RegionSplitter.HexStringSplit splitter = new RegionSplitter.HexStringSplit();
byte[][] splitKeys = splitter.split(MIRRORED_TABLE_DEFAULT_REGIONS);
admin.createTable(tableDescriptor, splitKeys);
}
knownHBaseTables.put(hbaseTableName, 1);
}
} catch (IOException e) {
LOGGER.info("Failed to create table in HBase.");
// TODO: wait and retry if failed. After a while set status of applier
// to 'blocked' & handle by overseer by stopping the replicator
e.printStackTrace();
}
}
示例5: createSplitter
import org.apache.hadoop.hbase.util.RegionSplitter; //导入方法依赖的package包/类
@Override
public RegionSplitter.SplitAlgorithm createSplitter(int cardinality) {
return new RegionSplitter.HexStringSplit();
}