Package org.apache.hadoop.fs

Examples of org.apache.hadoop.fs.FSDataOutputStream.hflush()

492
493
494
495
496
497
498
499
500
501
502
    // Add new block should fail since /test1/file has been deleted.
    try {
      fos.write(data, 0, data.length);
      // make sure addBlock() request gets to NN immediately
      fos.hflush();

      fail("Write should fail after delete");
    } catch (Exception e) {
      /* Ignore */
    } finally {
View Full Code Here
255
256
257
258
259
260
261
262
263
264
265
      for (int i = 0; i < 10; i++) {
        FSDataOutputStream stm = fs.create(
            new Path("/append-" + i), true, BLOCK_SIZE, (short) 1, BLOCK_SIZE);
        stms.add(stm);
        stm.write(1);
        stm.hflush();
      }

      cluster.restartNameNode();
      FSNamesystem ns = cluster.getNameNode(0).getNamesystem();
      BlockManagerTestUtil.updateState(ns.getBlockManager());
View Full Code Here
117
118
119
120
121
122
123
124
125
126
127
              CommonConfigurationKeys.IO_FILE_BUFFER_SIZE_KEY, 4096),
          (short) 3, blockSize);
      stm.write(new byte[(blockSize * 3) / 2]);
      // We do not close the stream so that
      // the writing seems to be still ongoing
      stm.hflush();

      LocatedBlocks blocks = client.getNamenode().getBlockLocations(
          fileName.toString(), 0, blockSize);
      DatanodeInfo[] nodes = blocks.get(0).getLocations();
      assertEquals(nodes.length, 3);
View Full Code Here
285
286
287
288
289
290
291
292
293
294
295
      // create a new file.
      FSDataOutputStream stm = AppendTestUtil.createFile(fs, p, DATANODE_NUM);

      stm.write(fileContents, 0, 1);
      Thread.sleep(timeout);
      stm.hflush();
      System.out.println("Wrote 1 byte and hflush " + p);

      // write another byte
      Thread.sleep(timeout);
      stm.write(fileContents, 1, 1);
View Full Code Here
291
292
293
294
295
296
297
298
299
300
301
      System.out.println("Wrote 1 byte and hflush " + p);

      // write another byte
      Thread.sleep(timeout);
      stm.write(fileContents, 1, 1);
      stm.hflush();

      stm.write(fileContents, 2, 1);
      Thread.sleep(timeout);
      stm.hflush();
View Full Code Here
295
296
297
298
299
300
301
302
303
304
305
      stm.write(fileContents, 1, 1);
      stm.hflush();

      stm.write(fileContents, 2, 1);
      Thread.sleep(timeout);
      stm.hflush();

      stm.write(fileContents, 3, 1);
      Thread.sleep(timeout);
      stm.write(fileContents, 4, 1);
      stm.hflush();
View Full Code Here
300
301
302
303
304
305
306
307
308
309
310
      stm.hflush();

      stm.write(fileContents, 3, 1);
      Thread.sleep(timeout);
      stm.write(fileContents, 4, 1);
      stm.hflush();

      stm.write(fileContents, 5, 1);
      Thread.sleep(timeout);
      stm.close();
View Full Code Here
334
335
336
337
338
339
340
341
342
343
344
      FSDataOutputStream stm = AppendTestUtil.createFile(fs, p, DATANODE_NUM);

      stm.write(fileContents, 0, 2);
      Thread.currentThread().interrupt();
      try {
        stm.hflush();
        // If we made it past the hflush(), then that means that the ack made it back
        // from the pipeline before we got to the wait() call. In that case we should
        // still have interrupted status.
        assertTrue(Thread.currentThread().interrupted());
      } catch (InterruptedIOException ie) {
View Full Code Here
345
346
347
348
349
350
351
352
353
354
355
        System.out.println("Got expected exception during flush");
      }
      assertFalse(Thread.currentThread().interrupted());

      // Try again to flush should succeed since we no longer have interrupt status
      stm.hflush();

      // Write some more data and flush
      stm.write(fileContents, 2, 2);
      stm.hflush();
View Full Code Here
349
350
351
352
353
354
355
356
357
358
359
      // Try again to flush should succeed since we no longer have interrupt status
      stm.hflush();

      // Write some more data and flush
      stm.write(fileContents, 2, 2);
      stm.hflush();

      // Write some data and close while interrupted

      stm.write(fileContents, 4, 2);
      Thread.currentThread().interrupt();
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.