Java Code Examples for org.apache.hadoop.hbase.RegionLoad

The following examples show how to use org.apache.hadoop.hbase.RegionLoad. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: tajo   Source File: RegionSizeCalculator.java    License: Apache License 2.0 5 votes vote down vote up
private void init(RegionLocator regionLocator, Admin admin)
    throws IOException {
  if (!enabled(admin.getConfiguration())) {
    LOG.info("Region size calculation disabled.");
    return;
  }

  LOG.info("Calculating region sizes for table \"" + regionLocator.getName() + "\".");

  //get regions for table
  List<HRegionLocation> tableRegionInfos = regionLocator.getAllRegionLocations();
  Set<byte[]> tableRegions = new TreeSet<byte[]>(Bytes.BYTES_COMPARATOR);
  for (HRegionLocation regionInfo : tableRegionInfos) {
    tableRegions.add(regionInfo.getRegionInfo().getRegionName());
  }

  ClusterStatus clusterStatus = admin.getClusterStatus();
  Collection<ServerName> servers = clusterStatus.getServers();
  final long megaByte = 1024L * 1024L;

  //iterate all cluster regions, filter regions from our table and compute their size
  for (ServerName serverName: servers) {
    ServerLoad serverLoad = clusterStatus.getLoad(serverName);

    for (RegionLoad regionLoad: serverLoad.getRegionsLoad().values()) {
      byte[] regionId = regionLoad.getName();

      if (tableRegions.contains(regionId)) {

        long regionSizeBytes = (regionLoad.getStorefileSizeMB() + regionLoad.getMemStoreSizeMB()) * megaByte;
        sizeMap.put(regionId, regionSizeBytes);

        if (LOG.isDebugEnabled()) {
          LOG.debug("Region " + regionLoad.getNameAsString() + " has size " + regionSizeBytes);
        }
      }
    }
  }
  LOG.debug("Region sizes calculated");
}
 
Example 2
/**
 * Computes size of each region for table and given column families.
 * */
public HBaseRegionSizeCalculator(String tableName, Connection hbaseConnection) throws IOException {

    Table table = null;
    Admin admin = null;
    try {
        table = hbaseConnection.getTable(TableName.valueOf(tableName));
        admin = hbaseConnection.getAdmin();

        if (!enabled(table.getConfiguration())) {
            logger.info("Region size calculation disabled.");
            return;
        }

        logger.info("Calculating region sizes for table \"" + table.getName() + "\".");

        // Get regions for table.
        RegionLocator regionLocator = hbaseConnection.getRegionLocator(table.getName());
        List<HRegionLocation> regionLocationList = regionLocator.getAllRegionLocations();
        Set<byte[]> tableRegions = new TreeSet<byte[]>(Bytes.BYTES_COMPARATOR);

        for (HRegionLocation hRegionLocation : regionLocationList) {
            tableRegions.add(hRegionLocation.getRegionInfo().getRegionName());
        }

        ClusterStatus clusterStatus = admin.getClusterStatus();
        Collection<ServerName> servers = clusterStatus.getServers();
        final long megaByte = 1024L * 1024L;

        // Iterate all cluster regions, filter regions from our table and
        // compute their size.
        for (ServerName serverName : servers) {
            ServerLoad serverLoad = clusterStatus.getLoad(serverName);

            for (RegionLoad regionLoad : serverLoad.getRegionsLoad().values()) {
                byte[] regionId = regionLoad.getName();

                if (tableRegions.contains(regionId)) {

                    long regionSizeBytes = regionLoad.getStorefileSizeMB() * megaByte;
                    sizeMap.put(regionId, regionSizeBytes);
                    countMap.put(regionId, new Pair<>(regionLoad.getStores(), regionLoad.getStorefiles()));

                    if (regionSizeBytes == 0L) {
                        logger.info("Region " + regionLoad.getNameAsString() + " has size " + regionSizeBytes);
                    }
                }
            }
        }
    } finally {
        IOUtils.closeQuietly(admin);
    }

}
 
Example 3
Source Project: kylin   Source File: HBaseRegionSizeCalculator.java    License: Apache License 2.0 4 votes vote down vote up
/**
 * Computes size of each region for table and given column families.
 * */
public HBaseRegionSizeCalculator(String tableName, Connection hbaseConnection) throws IOException {

    Table table = null;
    Admin admin = null;
    try {
        table = hbaseConnection.getTable(TableName.valueOf(tableName));
        admin = hbaseConnection.getAdmin();

        if (!enabled(table.getConfiguration())) {
            logger.info("Region size calculation disabled.");
            return;
        }

        logger.info("Calculating region sizes for table \"" + table.getName() + "\".");

        // Get regions for table.
        RegionLocator regionLocator = hbaseConnection.getRegionLocator(table.getName());
        List<HRegionLocation> regionLocationList = regionLocator.getAllRegionLocations();
        Set<byte[]> tableRegions = new TreeSet<byte[]>(Bytes.BYTES_COMPARATOR);

        for (HRegionLocation hRegionLocation : regionLocationList) {
            tableRegions.add(hRegionLocation.getRegionInfo().getRegionName());
        }

        ClusterStatus clusterStatus = admin.getClusterStatus();
        Collection<ServerName> servers = clusterStatus.getServers();
        final long megaByte = 1024L * 1024L;

        // Iterate all cluster regions, filter regions from our table and
        // compute their size.
        for (ServerName serverName : servers) {
            ServerLoad serverLoad = clusterStatus.getLoad(serverName);

            for (RegionLoad regionLoad : serverLoad.getRegionsLoad().values()) {
                byte[] regionId = regionLoad.getName();

                if (tableRegions.contains(regionId)) {

                    long regionSizeBytes = regionLoad.getStorefileSizeMB() * megaByte;
                    sizeMap.put(regionId, regionSizeBytes);
                    countMap.put(regionId, new Pair<>(regionLoad.getStores(), regionLoad.getStorefiles()));

                    if (regionSizeBytes == 0L) {
                        logger.info("Region " + regionLoad.getNameAsString() + " has size " + regionSizeBytes);
                    }
                }
            }
        }
    } finally {
        IOUtils.closeQuietly(admin);
    }

}
 
Example 4
Source Project: yuzhouwan   Source File: HBaseUtils.java    License: Apache License 2.0 4 votes vote down vote up
public static String getNameSpace(RegionLoad region) {
    String tableName;
    if (isEmpty(tableName = getTableName(region))) return null;
    return tableName.split(COLON)[0];
}
 
Example 5
Source Project: yuzhouwan   Source File: HBaseUtils.java    License: Apache License 2.0 4 votes vote down vote up
public static String getSingleTableName(RegionLoad region) {
    String tableName;
    if (isEmpty(tableName = getTableName(region))) return null;
    return tableName.split(COLON)[1];
}
 
Example 6
Source Project: yuzhouwan   Source File: HBaseUtils.java    License: Apache License 2.0 4 votes vote down vote up
public static String getTableName(RegionLoad region) {
    if (region == null) return null;
    // return extractTableName(HRegionInfo.encodeRegionName(region.getName()));
    return extractTableName(region.getNameAsString());
}
 
Example 7
Source Project: Kylin   Source File: HBaseRegionSizeCalculator.java    License: Apache License 2.0 4 votes vote down vote up
/** Constructor for unit testing */
HBaseRegionSizeCalculator(HTable table, HBaseAdmin hBaseAdmin) throws IOException {

    try {
        if (!enabled(table.getConfiguration())) {
            logger.info("Region size calculation disabled.");
            return;
        }

        logger.info("Calculating region sizes for table \"" + new String(table.getTableName()) + "\".");

        // Get regions for table.
        Set<HRegionInfo> tableRegionInfos = table.getRegionLocations().keySet();
        Set<byte[]> tableRegions = new TreeSet<byte[]>(Bytes.BYTES_COMPARATOR);

        for (HRegionInfo regionInfo : tableRegionInfos) {
            tableRegions.add(regionInfo.getRegionName());
        }

        ClusterStatus clusterStatus = hBaseAdmin.getClusterStatus();
        Collection<ServerName> servers = clusterStatus.getServers();
        final long megaByte = 1024L * 1024L;

        // Iterate all cluster regions, filter regions from our table and
        // compute their size.
        for (ServerName serverName : servers) {
            ServerLoad serverLoad = clusterStatus.getLoad(serverName);

            for (RegionLoad regionLoad : serverLoad.getRegionsLoad().values()) {
                byte[] regionId = regionLoad.getName();

                if (tableRegions.contains(regionId)) {

                    long regionSizeBytes = regionLoad.getStorefileSizeMB() * megaByte;
                    sizeMap.put(regionId, regionSizeBytes);

                    // logger.info("Region " + regionLoad.getNameAsString()
                    // + " has size " + regionSizeBytes);
                }
            }
        }
    } finally {
        hBaseAdmin.close();
    }

}