Examples with ClusterStatus org.apache.hadoop.hbase.ClusterStatus used on opensource projects

Example 21 with ClusterStatus

use of org.apache.hadoop.hbase.ClusterStatus in project hbase by apache.

the class TestRSGroupsBase method getTableServerRegionMap.

public Map<TableName, Map<ServerName, List<String>>> getTableServerRegionMap() throws IOException {
    Map<TableName, Map<ServerName, List<String>>> map = Maps.newTreeMap();
    ClusterStatus status = TEST_UTIL.getHBaseClusterInterface().getClusterStatus();
    for (ServerName serverName : status.getServers()) {
        for (RegionLoad rl : status.getLoad(serverName).getRegionsLoad().values()) {
            TableName tableName = null;
            try {
                tableName = HRegionInfo.getTable(rl.getName());
            } catch (IllegalArgumentException e) {
                LOG.warn("Failed parse a table name from regionname=" + Bytes.toStringBinary(rl.getName()));
                continue;
            }
            if (!map.containsKey(tableName)) {
                map.put(tableName, new TreeMap<>());
            }
            if (!map.get(tableName).containsKey(serverName)) {
                map.get(tableName).put(serverName, new LinkedList<>());
            }
            map.get(tableName).get(serverName).add(rl.getNameAsString());
        }
    }
    return map;
}

Example 22 with ClusterStatus

use of org.apache.hadoop.hbase.ClusterStatus in project hbase by apache.

the class TestRSGroupsBase method getNumServers.

// return the real number of region servers, excluding the master embedded region server in 2.0+
public int getNumServers() throws IOException {
    ClusterStatus status = admin.getClusterStatus();
    ServerName master = status.getMaster();
    int count = 0;
    for (ServerName sn : status.getServers()) {
        if (!sn.equals(master)) {
            count++;
        }
    }
    return count;
}

Example 23 with ClusterStatus

use of org.apache.hadoop.hbase.ClusterStatus in project cdap by caskdata.

the class HBaseTableUtil method getTableStats.

/**
   * Collects HBase table stats
   * //TODO: Explore the possiblitity of returning a {@code Map<TableId, TableStats>}
   * @param admin instance of {@link HBaseAdmin} to communicate with HBase
   * @return map of table name -> table stats
   * @throws IOException
   */
public Map<TableId, TableStats> getTableStats(HBaseAdmin admin) throws IOException {
    // The idea is to walk thru live region servers, collect table region stats and aggregate them towards table total
    // metrics.
    Map<TableId, TableStats> datasetStat = Maps.newHashMap();
    ClusterStatus clusterStatus = admin.getClusterStatus();
    for (ServerName serverName : clusterStatus.getServers()) {
        Map<byte[], RegionLoad> regionsLoad = clusterStatus.getLoad(serverName).getRegionsLoad();
        for (RegionLoad regionLoad : regionsLoad.values()) {
            TableName tableName = HRegionInfo.getTable(regionLoad.getName());
            HTableDescriptor tableDescriptor;
            try {
                tableDescriptor = admin.getTableDescriptor(tableName);
            } catch (TableNotFoundException exception) {
                // this can happen if the table has been deleted; the region stats get removed afterwards
                LOG.warn("Table not found for table name {}. Skipping collecting stats for it. Reason: {}", tableName, exception.getMessage());
                continue;
            }
            if (!isCDAPTable(tableDescriptor)) {
                continue;
            }
            TableId tableId = HTableNameConverter.from(tableDescriptor);
            TableStats stat = datasetStat.get(tableId);
            if (stat == null) {
                stat = new TableStats(regionLoad.getStorefileSizeMB(), regionLoad.getMemStoreSizeMB());
                datasetStat.put(tableId, stat);
            } else {
                stat.incStoreFileSizeMB(regionLoad.getStorefileSizeMB());
                stat.incMemStoreSizeMB(regionLoad.getMemStoreSizeMB());
            }
        }
    }
    return datasetStat;
}