Examples of org.apache.hadoop.hbase.client.HBaseAdmin.cloneSnapshot()

Class org.apache.hadoop.hbase.client.HBaseAdmin

Examples of org.apache.hadoop.hbase.client.HBaseAdmin.cloneSnapshot()

org.apache.hadoop.hbase.client.HBaseAdmin.cloneSnapshot()
Create a new table by cloning the snapshot content. @param snapshotName name of the snapshot to be cloned @param tableName name of the table where the snapshot will be restored @throws IOException if a remote or network exception occurs @throws TableExistsException if table to be created already exists @throws RestoreSnapshotException if snapshot failed to be cloned @throws IllegalArgumentException if the specified table has not a valid name

      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);

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      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);

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    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>() {

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    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);

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    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);

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      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);

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    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>() {

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    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);

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    String snapshotName = "snapshotAfterMerge";
    admin.snapshot(snapshotName, STRING_TABLE_NAME, SnapshotDescription.Type.FLUSH);


    // 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);

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      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);

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