Java ModifyRegionUtils.createRegions方法代码示例

import org.apache.hadoop.hbase.util.ModifyRegionUtils; //导入方法依赖的package包/类
/**
 * Create the on-disk structure for the table, and returns the regions info.
 * @param tableRootDir directory where the table is being created
 * @param tableName name of the table under construction
 * @return the list of regions created
 */
protected List<HRegionInfo> handleCreateHdfsRegions(final Path tableRootDir,
  final TableName tableName)
    throws IOException {
  return ModifyRegionUtils.createRegions(conf, tableRootDir,
      hTableDescriptor, newRegions, null);
}
 

import org.apache.hadoop.hbase.util.ModifyRegionUtils; //导入方法依赖的package包/类
/**
 * Clone specified regions. For each region create a new region
 * and create a HFileLink for each hfile.
 */
private HRegionInfo[] cloneHdfsRegions(final ThreadPoolExecutor exec,
    final Map<String, SnapshotRegionManifest> regionManifests,
    final List<HRegionInfo> regions) throws IOException {
  if (regions == null || regions.size() == 0) return null;

  final Map<String, HRegionInfo> snapshotRegions =
    new HashMap<String, HRegionInfo>(regions.size());

  // clone region info (change embedded tableName with the new one)
  HRegionInfo[] clonedRegionsInfo = new HRegionInfo[regions.size()];
  for (int i = 0; i < clonedRegionsInfo.length; ++i) {
    // clone the region info from the snapshot region info
    HRegionInfo snapshotRegionInfo = regions.get(i);
    clonedRegionsInfo[i] = cloneRegionInfo(snapshotRegionInfo);

    // add the region name mapping between snapshot and cloned
    String snapshotRegionName = snapshotRegionInfo.getEncodedName();
    String clonedRegionName = clonedRegionsInfo[i].getEncodedName();
    regionsMap.put(Bytes.toBytes(snapshotRegionName), Bytes.toBytes(clonedRegionName));
    LOG.info("clone region=" + snapshotRegionName + " as " + clonedRegionName);

    // Add mapping between cloned region name and snapshot region info
    snapshotRegions.put(clonedRegionName, snapshotRegionInfo);
  }

  // create the regions on disk
  ModifyRegionUtils.createRegions(exec, conf, rootDir, tableDir,
    tableDesc, clonedRegionsInfo, new ModifyRegionUtils.RegionFillTask() {
      @Override
      public void fillRegion(final HRegion region) throws IOException {
        HRegionInfo snapshotHri = snapshotRegions.get(region.getRegionInfo().getEncodedName());
        cloneRegion(region, snapshotHri, regionManifests.get(snapshotHri.getEncodedName()));
      }
    });

  return clonedRegionsInfo;
}
 

import org.apache.hadoop.hbase.util.ModifyRegionUtils; //导入方法依赖的package包/类
/**
 * Create the on-disk structure for the table, and returns the regions info.
 * @param tableRootDir directory where the table is being created
 * @param tableName name of the table under construction
 * @return the list of regions created
 */
protected List<HRegionInfo> handleCreateHdfsRegions(final Path tableRootDir,
  final String tableName)
    throws IOException {
  return ModifyRegionUtils.createRegions(conf, tableRootDir,
      hTableDescriptor, newRegions, null);
}
 

import org.apache.hadoop.hbase.util.ModifyRegionUtils; //导入方法依赖的package包/类
/**
 * Clone specified regions. For each region create a new region
 * and create a HFileLink for each hfile.
 */
private HRegionInfo[] cloneHdfsRegions(final List<HRegionInfo> regions) throws IOException {
  if (regions == null || regions.size() == 0) return null;

  final Map<String, HRegionInfo> snapshotRegions =
    new HashMap<String, HRegionInfo>(regions.size());

  // clone region info (change embedded tableName with the new one)
  HRegionInfo[] clonedRegionsInfo = new HRegionInfo[regions.size()];
  for (int i = 0; i < clonedRegionsInfo.length; ++i) {
    // clone the region info from the snapshot region info
    HRegionInfo snapshotRegionInfo = regions.get(i);
    clonedRegionsInfo[i] = cloneRegionInfo(snapshotRegionInfo);

    // add the region name mapping between snapshot and cloned
    String snapshotRegionName = snapshotRegionInfo.getEncodedName();
    String clonedRegionName = clonedRegionsInfo[i].getEncodedName();
    regionsMap.put(Bytes.toBytes(snapshotRegionName), Bytes.toBytes(clonedRegionName));
    LOG.info("clone region=" + snapshotRegionName + " as " + clonedRegionName);

    // Add mapping between cloned region name and snapshot region info
    snapshotRegions.put(clonedRegionName, snapshotRegionInfo);
  }

  // create the regions on disk
  ModifyRegionUtils.createRegions(conf, tableDir.getParent(),
    tableDesc, clonedRegionsInfo, new ModifyRegionUtils.RegionFillTask() {
      public void fillRegion(final HRegion region) throws IOException {
        cloneRegion(region, snapshotRegions.get(region.getRegionInfo().getEncodedName()));
      }
    });

  return clonedRegionsInfo;
}
 

import org.apache.hadoop.hbase.util.ModifyRegionUtils; //导入方法依赖的package包/类
/**
 * Clone specified regions. For each region create a new region
 * and create a HFileLink for each hfile.
 */
private HRegionInfo[] cloneHdfsRegions(final List<HRegionInfo> regions) throws IOException {
  if (regions == null || regions.size() == 0) return null;

  final Map<String, HRegionInfo> snapshotRegions =
    new HashMap<String, HRegionInfo>(regions.size());

  // clone region info (change embedded tableName with the new one)
  HRegionInfo[] clonedRegionsInfo = new HRegionInfo[regions.size()];
  for (int i = 0; i < clonedRegionsInfo.length; ++i) {
    // clone the region info from the snapshot region info
    HRegionInfo snapshotRegionInfo = regions.get(i);
    clonedRegionsInfo[i] = cloneRegionInfo(snapshotRegionInfo);

    // add the region name mapping between snapshot and cloned
    String snapshotRegionName = snapshotRegionInfo.getEncodedName();
    String clonedRegionName = clonedRegionsInfo[i].getEncodedName();
    regionsMap.put(Bytes.toBytes(snapshotRegionName), Bytes.toBytes(clonedRegionName));
    LOG.info("clone region=" + snapshotRegionName + " as " + clonedRegionName);

    // Add mapping between cloned region name and snapshot region info
    snapshotRegions.put(clonedRegionName, snapshotRegionInfo);
  }

  // create the regions on disk
  ModifyRegionUtils.createRegions(conf, rootDir, tableDir,
    tableDesc, clonedRegionsInfo, new ModifyRegionUtils.RegionFillTask() {
      @Override
      public void fillRegion(final HRegion region) throws IOException {
        cloneRegion(region, snapshotRegions.get(region.getRegionInfo().getEncodedName()));
      }
    });

  return clonedRegionsInfo;
}
 

import org.apache.hadoop.hbase.util.ModifyRegionUtils; //导入方法依赖的package包/类
/**
 * Clone specified regions. For each region create a new region
 * and create a HFileLink for each hfile.
 */
private RegionInfo[] cloneHdfsRegions(final ThreadPoolExecutor exec,
    final Map<String, SnapshotRegionManifest> regionManifests,
    final List<RegionInfo> regions) throws IOException {
  if (regions == null || regions.isEmpty()) return null;

  final Map<String, RegionInfo> snapshotRegions = new HashMap<>(regions.size());

  // clone region info (change embedded tableName with the new one)
  RegionInfo[] clonedRegionsInfo = new RegionInfo[regions.size()];
  for (int i = 0; i < clonedRegionsInfo.length; ++i) {
    // clone the region info from the snapshot region info
    RegionInfo snapshotRegionInfo = regions.get(i);
    clonedRegionsInfo[i] = cloneRegionInfo(snapshotRegionInfo);

    // add the region name mapping between snapshot and cloned
    String snapshotRegionName = snapshotRegionInfo.getEncodedName();
    String clonedRegionName = clonedRegionsInfo[i].getEncodedName();
    regionsMap.put(Bytes.toBytes(snapshotRegionName), Bytes.toBytes(clonedRegionName));
    LOG.info("clone region=" + snapshotRegionName + " as " + clonedRegionName);

    // Add mapping between cloned region name and snapshot region info
    snapshotRegions.put(clonedRegionName, snapshotRegionInfo);
  }

  // create the regions on disk
  ModifyRegionUtils.createRegions(exec, conf, rootDir,
    tableDesc, clonedRegionsInfo, new ModifyRegionUtils.RegionFillTask() {
      @Override
      public void fillRegion(final HRegion region) throws IOException {
        RegionInfo snapshotHri = snapshotRegions.get(region.getRegionInfo().getEncodedName());
        cloneRegion(region, snapshotHri, regionManifests.get(snapshotHri.getEncodedName()));
      }
    });

  return clonedRegionsInfo;
}
 

import org.apache.hadoop.hbase.util.ModifyRegionUtils; //导入方法依赖的package包/类
/**
 * Clone specified regions. For each region create a new region
 * and create a HFileLink for each hfile.
 */
private HRegionInfo[] cloneHdfsRegions(final List<HRegionInfo> regions) throws IOException {
  if (regions == null || regions.size() == 0) return null;

  final Map<String, HRegionInfo> snapshotRegions =
    new HashMap<String, HRegionInfo>(regions.size());

  // clone region info (change embedded tableName with the new one)
  HRegionInfo[] clonedRegionsInfo = new HRegionInfo[regions.size()];
  for (int i = 0; i < clonedRegionsInfo.length; ++i) {
    // clone the region info from the snapshot region info
    HRegionInfo snapshotRegionInfo = regions.get(i);
    clonedRegionsInfo[i] = cloneRegionInfo(snapshotRegionInfo);

    // add the region name mapping between snapshot and cloned
    String snapshotRegionName = snapshotRegionInfo.getEncodedName();
    String clonedRegionName = clonedRegionsInfo[i].getEncodedName();
    regionsMap.put(Bytes.toBytes(snapshotRegionName), Bytes.toBytes(clonedRegionName));
    LOG.info("clone region=" + snapshotRegionName + " as " + clonedRegionName);

    // Add mapping between cloned region name and snapshot region info
    snapshotRegions.put(clonedRegionName, snapshotRegionInfo);
  }

  // create the regions on disk
  ModifyRegionUtils.createRegions(conf, rootDir,
    tableDesc, clonedRegionsInfo, new ModifyRegionUtils.RegionFillTask() {
      public void fillRegion(final HRegion region) throws IOException {
        cloneRegion(region, snapshotRegions.get(region.getRegionInfo().getEncodedName()));
      }
    });

  return clonedRegionsInfo;
}