Examples with FsVolumeImpl org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsVolumeImpl used on opensource projects

Example 11 with FsVolumeImpl

use of org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsVolumeImpl in project hadoop by apache.

the class TestDirectoryScanner method createBlockFile.

/** Create a block file in a random volume*/
private long createBlockFile() throws IOException {
    long id = getFreeBlockId();
    try (FsDatasetSpi.FsVolumeReferences volumes = fds.getFsVolumeReferences()) {
        int numVolumes = volumes.size();
        int index = rand.nextInt(numVolumes - 1);
        File finalizedDir = ((FsVolumeImpl) volumes.get(index)).getFinalizedDir(bpid);
        File file = new File(finalizedDir, getBlockFile(id));
        if (file.createNewFile()) {
            LOG.info("Created block file " + file.getName());
        }
    }
    return id;
}