本文整理汇总了Java中org.apache.hadoop.hbase.client.HBaseAdmin.cloneSnapshot方法的典型用法代码示例。如果您正苦于以下问题：Java HBaseAdmin.cloneSnapshot方法的具体用法？Java HBaseAdmin.cloneSnapshot怎么用？Java HBaseAdmin.cloneSnapshot使用的例子？那么恭喜您, 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.client.HBaseAdmin的用法示例。
在下文中一共展示了HBaseAdmin.cloneSnapshot方法的4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: testSnapshotOperations
import org.apache.hadoop.hbase.client.HBaseAdmin; //导入方法依赖的package包/类
@Test
public void testSnapshotOperations() throws Exception {
MiniHBaseCluster cluster = UTIL.getHBaseCluster();
HMaster master = cluster.getMaster();
MasterCoprocessorHost host = master.getCoprocessorHost();
CPMasterObserver cp = (CPMasterObserver)host.findCoprocessor(
CPMasterObserver.class.getName());
cp.resetStates();
// create a table
HTableDescriptor htd = new HTableDescriptor(TEST_TABLE);
htd.addFamily(new HColumnDescriptor(TEST_FAMILY));
HBaseAdmin admin = UTIL.getHBaseAdmin();
// delete table if exists
if (admin.tableExists(TEST_TABLE)) {
UTIL.deleteTable(TEST_TABLE);
}
admin.createTable(htd);
admin.disableTable(TEST_TABLE);
assertTrue(admin.isTableDisabled(TEST_TABLE));
try {
// Test snapshot operation
assertFalse("Coprocessor should not have been called yet",
cp.wasSnapshotCalled());
admin.snapshot(TEST_SNAPSHOT, TEST_TABLE);
assertTrue("Coprocessor should have been called on snapshot",
cp.wasSnapshotCalled());
// Test clone operation
admin.cloneSnapshot(TEST_SNAPSHOT, TEST_CLONE);
assertTrue("Coprocessor should have been called on snapshot clone",
cp.wasCloneSnapshotCalled());
assertFalse("Coprocessor restore should not have been called on snapshot clone",
cp.wasRestoreSnapshotCalled());
admin.disableTable(TEST_CLONE);
assertTrue(admin.isTableDisabled(TEST_TABLE));
admin.deleteTable(TEST_CLONE);
// Test restore operation
cp.resetStates();
admin.restoreSnapshot(TEST_SNAPSHOT);
assertTrue("Coprocessor should have been called on snapshot restore",
cp.wasRestoreSnapshotCalled());
assertFalse("Coprocessor clone should not have been called on snapshot restore",
cp.wasCloneSnapshotCalled());
admin.deleteSnapshot(TEST_SNAPSHOT);
assertTrue("Coprocessor should have been called on snapshot delete",
cp.wasDeleteSnapshotCalled());
} finally {
admin.deleteTable(TEST_TABLE);
}
}
示例2: testSnapshotOperations
import org.apache.hadoop.hbase.client.HBaseAdmin; //导入方法依赖的package包/类
@Test
public void testSnapshotOperations() throws Exception {
MiniHBaseCluster cluster = UTIL.getHBaseCluster();
HMaster master = cluster.getMaster();
MasterCoprocessorHost host = master.getCoprocessorHost();
CPMasterObserver cp = (CPMasterObserver)host.findCoprocessor(
CPMasterObserver.class.getName());
cp.resetStates();
// create a table
HTableDescriptor htd = new HTableDescriptor(TEST_TABLE);
htd.addFamily(new HColumnDescriptor(TEST_FAMILY));
HBaseAdmin admin = UTIL.getHBaseAdmin();
tableCreationLatch = new CountDownLatch(1);
admin.createTable(htd);
tableCreationLatch.await();
tableCreationLatch = new CountDownLatch(1);
admin.disableTable(TEST_TABLE);
assertTrue(admin.isTableDisabled(TEST_TABLE));
try {
// Test snapshot operation
assertFalse("Coprocessor should not have been called yet",
cp.wasSnapshotCalled());
admin.snapshot(TEST_SNAPSHOT, TEST_TABLE);
assertTrue("Coprocessor should have been called on snapshot",
cp.wasSnapshotCalled());
// Test clone operation
admin.cloneSnapshot(TEST_SNAPSHOT, TEST_CLONE);
assertTrue("Coprocessor should have been called on snapshot clone",
cp.wasCloneSnapshotCalled());
assertFalse("Coprocessor restore should not have been called on snapshot clone",
cp.wasRestoreSnapshotCalled());
admin.disableTable(TEST_CLONE);
assertTrue(admin.isTableDisabled(TEST_TABLE));
admin.deleteTable(TEST_CLONE);
// Test restore operation
cp.resetStates();
admin.restoreSnapshot(TEST_SNAPSHOT);
assertTrue("Coprocessor should have been called on snapshot restore",
cp.wasRestoreSnapshotCalled());
assertFalse("Coprocessor clone should not have been called on snapshot restore",
cp.wasCloneSnapshotCalled());
admin.deleteSnapshot(TEST_SNAPSHOT);
assertTrue("Coprocessor should have been called on snapshot delete",
cp.wasDeleteSnapshotCalled());
} finally {
admin.deleteTable(TEST_TABLE);
}
}
示例3: testSnapshotStateAfterMerge
import org.apache.hadoop.hbase.client.HBaseAdmin; //导入方法依赖的package包/类
@Test (timeout=300000)
public void testSnapshotStateAfterMerge() throws Exception {
int numRows = DEFAULT_NUM_ROWS;
HBaseAdmin admin = UTIL.getHBaseAdmin();
// make sure we don't fail on listing snapshots
SnapshotTestingUtils.assertNoSnapshots(admin);
// load the table so we have some data
SnapshotTestingUtils.loadData(UTIL, TABLE_NAME, numRows, TEST_FAM);
// Take a snapshot
String snapshotBeforeMergeName = "snapshotBeforeMerge";
admin.snapshot(snapshotBeforeMergeName, STRING_TABLE_NAME, SnapshotDescription.Type.FLUSH);
// Clone the table
String cloneBeforeMergeName = "cloneBeforeMerge";
admin.cloneSnapshot(snapshotBeforeMergeName, cloneBeforeMergeName);
SnapshotTestingUtils.waitForTableToBeOnline(UTIL, TableName.valueOf(cloneBeforeMergeName));
// Merge two regions
List<HRegionInfo> regions = admin.getTableRegions(TABLE_NAME);
Collections.sort(regions, new Comparator<HRegionInfo>() {
public int compare(HRegionInfo r1, HRegionInfo r2) {
return Bytes.compareTo(r1.getStartKey(), r2.getStartKey());
}
});
int numRegions = admin.getTableRegions(TABLE_NAME).size();
int numRegionsAfterMerge = numRegions - 2;
admin.mergeRegions(regions.get(1).getEncodedNameAsBytes(),
regions.get(2).getEncodedNameAsBytes(), true);
admin.mergeRegions(regions.get(5).getEncodedNameAsBytes(),
regions.get(6).getEncodedNameAsBytes(), true);
// Verify that there's one region less
waitRegionsAfterMerge(numRegionsAfterMerge);
assertEquals(numRegionsAfterMerge, admin.getTableRegions(TABLE_NAME).size());
// Clone the table
String cloneAfterMergeName = "cloneAfterMerge";
admin.cloneSnapshot(snapshotBeforeMergeName, cloneAfterMergeName);
SnapshotTestingUtils.waitForTableToBeOnline(UTIL, TableName.valueOf(cloneAfterMergeName));
SnapshotTestingUtils.verifyRowCount(UTIL, TABLE_NAME, numRows);
SnapshotTestingUtils.verifyRowCount(UTIL, TableName.valueOf(cloneBeforeMergeName), numRows);
SnapshotTestingUtils.verifyRowCount(UTIL, TableName.valueOf(cloneAfterMergeName), numRows);
// test that we can delete the snapshot
UTIL.deleteTable(cloneAfterMergeName);
UTIL.deleteTable(cloneBeforeMergeName);
}
示例4: testTakeSnapshotAfterMerge
import org.apache.hadoop.hbase.client.HBaseAdmin; //导入方法依赖的package包/类
@Test (timeout=300000)
public void testTakeSnapshotAfterMerge() throws Exception {
int numRows = DEFAULT_NUM_ROWS;
HBaseAdmin admin = UTIL.getHBaseAdmin();
// make sure we don't fail on listing snapshots
SnapshotTestingUtils.assertNoSnapshots(admin);
// load the table so we have some data
SnapshotTestingUtils.loadData(UTIL, TABLE_NAME, numRows, TEST_FAM);
// Merge two regions
List<HRegionInfo> regions = admin.getTableRegions(TABLE_NAME);
Collections.sort(regions, new Comparator<HRegionInfo>() {
public int compare(HRegionInfo r1, HRegionInfo r2) {
return Bytes.compareTo(r1.getStartKey(), r2.getStartKey());
}
});
int numRegions = admin.getTableRegions(TABLE_NAME).size();
int numRegionsAfterMerge = numRegions - 2;
admin.mergeRegions(regions.get(1).getEncodedNameAsBytes(),
regions.get(2).getEncodedNameAsBytes(), true);
admin.mergeRegions(regions.get(5).getEncodedNameAsBytes(),
regions.get(6).getEncodedNameAsBytes(), true);
waitRegionsAfterMerge(numRegionsAfterMerge);
assertEquals(numRegionsAfterMerge, admin.getTableRegions(TABLE_NAME).size());
// Take a snapshot
String snapshotName = "snapshotAfterMerge";
SnapshotTestingUtils.snapshot(admin, snapshotName, STRING_TABLE_NAME,
SnapshotDescription.Type.FLUSH, 3);
// Clone the table
String cloneName = "cloneMerge";
admin.cloneSnapshot(snapshotName, cloneName);
SnapshotTestingUtils.waitForTableToBeOnline(UTIL, TableName.valueOf(cloneName));
SnapshotTestingUtils.verifyRowCount(UTIL, TABLE_NAME, numRows);
SnapshotTestingUtils.verifyRowCount(UTIL, TableName.valueOf(cloneName), numRows);
// test that we can delete the snapshot
UTIL.deleteTable(cloneName);
}