本文整理汇总了Java中org.apache.hadoop.hbase.util.RegionSplitter.SplitAlgorithm类的典型用法代码示例。如果您正苦于以下问题:Java SplitAlgorithm类的具体用法?Java SplitAlgorithm怎么用?Java SplitAlgorithm使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。
SplitAlgorithm类属于org.apache.hadoop.hbase.util.RegionSplitter包,在下文中一共展示了SplitAlgorithm类的9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.SplitAlgorithm; //导入依赖的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.SplitAlgorithm; //导入依赖的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.SplitAlgorithm; //导入依赖的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: preSplitTableAndVerify
import org.apache.hadoop.hbase.util.RegionSplitter.SplitAlgorithm; //导入依赖的package包/类
/**
* Creates a pre-split table with expectedBounds.size()+1 regions, then
* verifies that the region boundaries are the same as the expected
* region boundaries in expectedBounds.
* @throws Various junit assertions
*/
private void preSplitTableAndVerify(List<byte[]> expectedBounds,
String splitClass, TableName tableName) throws Exception {
final int numRegions = expectedBounds.size()-1;
final Configuration conf = UTIL.getConfiguration();
conf.setInt("split.count", numRegions);
SplitAlgorithm splitAlgo = RegionSplitter.newSplitAlgoInstance(conf, splitClass);
RegionSplitter.createPresplitTable(tableName, splitAlgo, new String[] {CF_NAME}, conf);
verifyBounds(expectedBounds, tableName);
}
示例5: rollingSplitAndVerify
import org.apache.hadoop.hbase.util.RegionSplitter.SplitAlgorithm; //导入依赖的package包/类
private void rollingSplitAndVerify(TableName tableName, String splitClass,
List<byte[]> expectedBounds) throws Exception {
final Configuration conf = UTIL.getConfiguration();
// Set this larger than the number of splits so RegionSplitter won't block
conf.setInt("split.outstanding", 5);
SplitAlgorithm splitAlgo = RegionSplitter.newSplitAlgoInstance(conf, splitClass);
RegionSplitter.rollingSplit(tableName, splitAlgo, conf);
verifyBounds(expectedBounds, tableName);
}
示例6: preSplitTableAndVerify
import org.apache.hadoop.hbase.util.RegionSplitter.SplitAlgorithm; //导入依赖的package包/类
/**
* Creates a pre-split table with expectedBounds.size()+1 regions, then
* verifies that the region boundaries are the same as the expected
* region boundaries in expectedBounds.
* @throws Various junit assertions
*/
private void preSplitTableAndVerify(List<byte[]> expectedBounds,
String splitClass, String tableName) throws Exception {
final int numRegions = expectedBounds.size()-1;
final Configuration conf = UTIL.getConfiguration();
conf.setInt("split.count", numRegions);
SplitAlgorithm splitAlgo = RegionSplitter.newSplitAlgoInstance(conf, splitClass);
RegionSplitter.createPresplitTable(tableName, splitAlgo,
new String[] {CF_NAME}, conf);
verifyBounds(expectedBounds, tableName);
}
示例7: rollingSplitAndVerify
import org.apache.hadoop.hbase.util.RegionSplitter.SplitAlgorithm; //导入依赖的package包/类
private void rollingSplitAndVerify(String tableName, String splitClass,
List<byte[]> expectedBounds) throws Exception {
final Configuration conf = UTIL.getConfiguration();
// Set this larger than the number of splits so RegionSplitter won't block
conf.setInt("split.outstanding", 5);
SplitAlgorithm splitAlgo = RegionSplitter.newSplitAlgoInstance(conf, splitClass);
RegionSplitter.rollingSplit(tableName, splitAlgo, conf);
verifyBounds(expectedBounds, tableName);
}
示例8: preSplitTableAndVerify
import org.apache.hadoop.hbase.util.RegionSplitter.SplitAlgorithm; //导入依赖的package包/类
/**
* Creates a pre-split table with expectedBounds.size()+1 regions, then
* verifies that the region boundaries are the same as the expected
* region boundaries in expectedBounds.
* @throws Various junit assertions
*/
private void preSplitTableAndVerify(List<byte[]> expectedBounds,
String splitClass, TableName tableName) throws Exception {
final int numRegions = expectedBounds.size()-1;
final Configuration conf = UTIL.getConfiguration();
conf.setInt("split.count", numRegions);
SplitAlgorithm splitAlgo = RegionSplitter.newSplitAlgoInstance(conf, splitClass);
RegionSplitter.createPresplitTable(tableName, splitAlgo, new String[] { CF_NAME }, conf);
verifyBounds(expectedBounds, tableName);
}
示例9: splitFailsPrecondition
import org.apache.hadoop.hbase.util.RegionSplitter.SplitAlgorithm; //导入依赖的package包/类
private boolean splitFailsPrecondition(SplitAlgorithm algo) {
return splitFailsPrecondition(algo, 100);
}