Examples with CachePoolInfo org.apache.hadoop.hdfs.protocol.CachePoolInfo used on opensource projects

Example 36 with CachePoolInfo

use of org.apache.hadoop.hdfs.protocol.CachePoolInfo in project hadoop by apache.

the class TestRetryCacheWithHA method testListCacheDirectives.

/**
   * Add a list of cache directives, list cache directives,
   * switch active NN, and list cache directives again.
   */
@Test(timeout = 60000)
public void testListCacheDirectives() throws Exception {
    final int poolCount = 7;
    HashSet<String> poolNames = new HashSet<String>(poolCount);
    Path path = new Path("/p");
    for (int i = 0; i < poolCount; i++) {
        String poolName = "testListCacheDirectives-" + i;
        CacheDirectiveInfo directiveInfo = new CacheDirectiveInfo.Builder().setPool(poolName).setPath(path).build();
        dfs.addCachePool(new CachePoolInfo(poolName));
        dfs.addCacheDirective(directiveInfo, EnumSet.of(CacheFlag.FORCE));
        poolNames.add(poolName);
    }
    listCacheDirectives(poolNames, 0);
    cluster.transitionToStandby(0);
    cluster.transitionToActive(1);
    cluster.waitActive(1);
    listCacheDirectives(poolNames, 1);
}