Example #1
0
 public Map<String, Long> getRegionSizes(String tableName) {
   Map<String, Long> regions = new HashMap<>();
   try {
     final Table table = connection.getTable(TableName.valueOf(tableName));
     RegionLocator regionLocator = connection.getRegionLocator(table.getName());
     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 = connection.getAdmin().getClusterStatus();
     Collection<ServerName> servers = clusterStatus.getServers();
     final long megaByte = 1024L * 1024L;
     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;
           regions.put(regionLoad.getNameAsString(), regionSizeBytes);
         }
       }
     }
   } catch (IOException e) {
     e.printStackTrace();
   }
   return regions;
 }
Example #2
0
  public void printStats() throws IOException {
    Admin admin = connection.getAdmin();

    ClusterStatus status =
        admin.getClusterStatus(); // co ClusterStatusExample-1-GetStatus Get the cluster status.
    System.out.println("Cluster Status:\n--------------");
    System.out.println("HBase Version: " + status.getHBaseVersion());
    System.out.println("Version: " + status.getVersion());
    System.out.println("Cluster ID: " + status.getClusterId());
    System.out.println("Master: " + status.getMaster());
    System.out.println("No. Backup Masters: " + status.getBackupMastersSize());
    System.out.println("Backup Masters: " + status.getBackupMasters());
    System.out.println("No. Live Servers: " + status.getServersSize());
    System.out.println("Servers: " + status.getServers());
    System.out.println("No. Dead Servers: " + status.getDeadServers());
    System.out.println("Dead Servers: " + status.getDeadServerNames());
    System.out.println("No. Regions: " + status.getRegionsCount());
    System.out.println("Regions in Transition: " + status.getRegionsInTransition());
    System.out.println("No. Requests: " + status.getRequestsCount());
    System.out.println("Avg Load: " + status.getAverageLoad());
    System.out.println("Balancer On: " + status.getBalancerOn());
    System.out.println("Is Balancer On: " + status.isBalancerOn());
    System.out.println("Master Coprocessors: " + Arrays.asList(status.getMasterCoprocessors()));
    System.out.println("\nServer Info:\n--------------");
    for (ServerName server :
        status
            .getServers()) { // co ClusterStatusExample-2-ServerInfo Iterate over the included
                             // server instances.
      System.out.println("Hostname: " + server.getHostname());
      System.out.println("Host and Port: " + server.getHostAndPort());
      System.out.println("Server Name: " + server.getServerName());
      System.out.println("RPC Port: " + server.getPort());
      System.out.println("Start Code: " + server.getStartcode());
      ServerLoad load =
          status.getLoad(
              server); // co ClusterStatusExample-3-ServerLoad Retrieve the load details for the
                       // current server.
      System.out.println("\nServer Load:\n--------------");
      System.out.println("Info Port: " + load.getInfoServerPort());
      System.out.println("Load: " + load.getLoad());
      System.out.println("Max Heap (MB): " + load.getMaxHeapMB());
      System.out.println("Used Heap (MB): " + load.getUsedHeapMB());
      System.out.println("Memstore Size (MB): " + load.getMemstoreSizeInMB());
      System.out.println("No. Regions: " + load.getNumberOfRegions());
      System.out.println("No. Requests: " + load.getNumberOfRequests());
      System.out.println("Total No. Requests: " + load.getTotalNumberOfRequests());
      System.out.println("No. Requests per Sec: " + load.getRequestsPerSecond());
      System.out.println("No. Read Requests: " + load.getReadRequestsCount());
      System.out.println("No. Write Requests: " + load.getWriteRequestsCount());
      System.out.println("No. Stores: " + load.getStores());
      System.out.println("Store Size Uncompressed (MB): " + load.getStoreUncompressedSizeMB());
      System.out.println("No. Storefiles: " + load.getStorefiles());
      System.out.println("Storefile Size (MB): " + load.getStorefileSizeInMB());
      System.out.println("Storefile Index Size (MB): " + load.getStorefileIndexSizeInMB());
      System.out.println("Root Index Size: " + load.getRootIndexSizeKB());
      System.out.println("Total Bloom Size: " + load.getTotalStaticBloomSizeKB());
      System.out.println("Total Index Size: " + load.getTotalStaticIndexSizeKB());
      System.out.println("Current Compacted Cells: " + load.getCurrentCompactedKVs());
      System.out.println("Total Compacting Cells: " + load.getTotalCompactingKVs());
      System.out.println("Coprocessors1: " + Arrays.asList(load.getRegionServerCoprocessors()));
      System.out.println("Coprocessors2: " + Arrays.asList(load.getRsCoprocessors()));
      System.out.println("Replication Load Sink: " + load.getReplicationLoadSink());
      System.out.println("Replication Load Source: " + load.getReplicationLoadSourceList());
      System.out.println("\nRegion Load:\n--------------");
      for (Map.Entry<byte[], RegionLoad>
          entry : // co ClusterStatusExample-4-Regions Iterate over the region details of the
                  // current server.
          load.getRegionsLoad().entrySet()) {
        System.out.println("Region: " + Bytes.toStringBinary(entry.getKey()));
        RegionLoad regionLoad =
            entry
                .getValue(); // co ClusterStatusExample-5-RegionLoad Get the load details for the
                             // current region.
        System.out.println("Name: " + Bytes.toStringBinary(regionLoad.getName()));
        System.out.println("Name (as String): " + regionLoad.getNameAsString());
        System.out.println("No. Requests: " + regionLoad.getRequestsCount());
        System.out.println("No. Read Requests: " + regionLoad.getReadRequestsCount());
        System.out.println("No. Write Requests: " + regionLoad.getWriteRequestsCount());
        System.out.println("No. Stores: " + regionLoad.getStores());
        System.out.println("No. Storefiles: " + regionLoad.getStorefiles());
        System.out.println("Data Locality: " + regionLoad.getDataLocality());
        System.out.println("Storefile Size (MB): " + regionLoad.getStorefileSizeMB());
        System.out.println("Storefile Index Size (MB): " + regionLoad.getStorefileIndexSizeMB());
        System.out.println("Memstore Size (MB): " + regionLoad.getMemStoreSizeMB());
        System.out.println("Root Index Size: " + regionLoad.getRootIndexSizeKB());
        System.out.println("Total Bloom Size: " + regionLoad.getTotalStaticBloomSizeKB());
        System.out.println("Total Index Size: " + regionLoad.getTotalStaticIndexSizeKB());
        System.out.println("Current Compacted Cells: " + regionLoad.getCurrentCompactedKVs());
        System.out.println("Total Compacting Cells: " + regionLoad.getTotalCompactingKVs());
        System.out.println();
      }
    }
  }