Package org.apache.hadoop.hdfs

Examples of org.apache.hadoop.hdfs.DistributedFileSystem.addCacheDirective()

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      }
    }, 1000, 30000);
   
    // Try to cache a smaller file.  It should fail.
    final long shortCacheDirectiveId =
      dfs.addCacheDirective(new CacheDirectiveInfo.Builder()
        .setPool("pool").setPath(SMALL_FILE).setReplication((short)1).build());
    Thread.sleep(10000);
    MetricsRecordBuilder dnMetrics = getMetrics(dn.getMetrics().name());
    Assert.assertEquals(TOTAL_BLOCKS_PER_CACHE,
        MetricsAsserts.getLongCounter("BlocksCached", dnMetrics));
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        .doAs(new PrivilegedExceptionAction<Long>() {
          @Override
          public Long run() throws IOException {
            DistributedFileSystem myDfs =
                (DistributedFileSystem) FileSystem.get(conf);
            return myDfs.addCacheDirective(directive);
          }
        });
  }

  @Test(timeout=60000)
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      EnumSet<CacheFlag> flags = EnumSet.noneOf(CacheFlag.class);
      if (force) {
        flags.add(CacheFlag.FORCE);
      }
      try {
        long id = dfs.addCacheDirective(directive, flags);
        System.out.println("Added cache directive " + id);
      } catch (IOException e) {
        System.err.println(prettifyException(e));
        return 2;
      }
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