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

Example 11 with HDFSBlocksDistribution

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

the class HRegion method getHDFSBlocksDistribution.

@Override
public HDFSBlocksDistribution getHDFSBlocksDistribution() {
    HDFSBlocksDistribution hdfsBlocksDistribution = new HDFSBlocksDistribution();
    synchronized (this.stores) {
        for (Store store : this.stores.values()) {
            Collection<StoreFile> storeFiles = store.getStorefiles();
            if (storeFiles == null)
                continue;
            for (StoreFile sf : storeFiles) {
                HDFSBlocksDistribution storeFileBlocksDistribution = sf.getHDFSBlockDistribution();
                hdfsBlocksDistribution.add(storeFileBlocksDistribution);
            }
        }
    }
    return hdfsBlocksDistribution;
}

Example 12 with HDFSBlocksDistribution

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

the class TestRegionLocationFinder method testInternalGetTopBlockLocation.

@Test
public void testInternalGetTopBlockLocation() throws Exception {
    for (int i = 0; i < ServerNum; i++) {
        HRegionServer server = cluster.getRegionServer(i);
        for (Region region : server.getOnlineRegions(tableName)) {
            // get region's hdfs block distribution by region and RegionLocationFinder, 
            // they should have same result
            HDFSBlocksDistribution blocksDistribution1 = region.getHDFSBlocksDistribution();
            HDFSBlocksDistribution blocksDistribution2 = finder.getBlockDistribution(region.getRegionInfo());
            assertEquals(blocksDistribution1.getUniqueBlocksTotalWeight(), blocksDistribution2.getUniqueBlocksTotalWeight());
            if (blocksDistribution1.getUniqueBlocksTotalWeight() != 0) {
                assertEquals(blocksDistribution1.getTopHosts().get(0), blocksDistribution2.getTopHosts().get(0));
            }
        }
    }
}