コード例 #1
0
 @Test
 public void testSequenceidAdvancesOnTableInfo() throws IOException {
   Path testdir = UTIL.getDataTestDir("testSequenceidAdvancesOnTableInfo");
   HTableDescriptor htd = new HTableDescriptor("testSequenceidAdvancesOnTableInfo");
   FileSystem fs = FileSystem.get(UTIL.getConfiguration());
   Path p0 = FSTableDescriptors.updateHTableDescriptor(fs, testdir, htd);
   int i0 = FSTableDescriptors.getTableInfoSequenceid(p0);
   Path p1 = FSTableDescriptors.updateHTableDescriptor(fs, testdir, htd);
   // Assert we cleaned up the old file.
   assertTrue(!fs.exists(p0));
   int i1 = FSTableDescriptors.getTableInfoSequenceid(p1);
   assertTrue(i1 == i0 + 1);
   Path p2 = FSTableDescriptors.updateHTableDescriptor(fs, testdir, htd);
   // Assert we cleaned up the old file.
   assertTrue(!fs.exists(p1));
   int i2 = FSTableDescriptors.getTableInfoSequenceid(p2);
   assertTrue(i2 == i1 + 1);
 }
コード例 #2
0
 @Test
 public void testHTableDescriptors() throws IOException, InterruptedException {
   final String name = "testHTableDescriptors";
   FileSystem fs = FileSystem.get(UTIL.getConfiguration());
   // Cleanup old tests if any debris laying around.
   Path rootdir = new Path(UTIL.getDataTestDir(), name);
   final int count = 10;
   // Write out table infos.
   for (int i = 0; i < count; i++) {
     HTableDescriptor htd = new HTableDescriptor(name + i);
     createHTDInFS(fs, rootdir, htd);
   }
   FSTableDescriptors htds =
       new FSTableDescriptors(fs, rootdir) {
         @Override
         public HTableDescriptor get(byte[] tablename)
             throws TableExistsException, FileNotFoundException, IOException {
           LOG.info(Bytes.toString(tablename) + ", cachehits=" + this.cachehits);
           return super.get(tablename);
         }
       };
   for (int i = 0; i < count; i++) {
     assertTrue(htds.get(Bytes.toBytes(name + i)) != null);
   }
   for (int i = 0; i < count; i++) {
     assertTrue(htds.get(Bytes.toBytes(name + i)) != null);
   }
   // Update the table infos
   for (int i = 0; i < count; i++) {
     HTableDescriptor htd = new HTableDescriptor(name + i);
     htd.addFamily(new HColumnDescriptor("" + i));
     FSTableDescriptors.updateHTableDescriptor(fs, rootdir, htd);
   }
   // Wait a while so mod time we write is for sure different.
   Thread.sleep(100);
   for (int i = 0; i < count; i++) {
     assertTrue(htds.get(Bytes.toBytes(name + i)) != null);
   }
   for (int i = 0; i < count; i++) {
     assertTrue(htds.get(Bytes.toBytes(name + i)) != null);
   }
   assertEquals(count * 4, htds.invocations);
   assertTrue(
       "expected=" + (count * 2) + ", actual=" + htds.cachehits, htds.cachehits >= (count * 2));
   assertTrue(htds.get(HConstants.ROOT_TABLE_NAME) != null);
   assertEquals(htds.invocations, count * 4 + 1);
   assertTrue(
       "expected=" + ((count * 2) + 1) + ", actual=" + htds.cachehits,
       htds.cachehits >= ((count * 2) + 1));
 }
コード例 #3
0
 @Test
 public void testCreateAndUpdate() throws IOException {
   Path testdir = UTIL.getDataTestDir("testCreateAndUpdate");
   HTableDescriptor htd = new HTableDescriptor("testCreate");
   FileSystem fs = FileSystem.get(UTIL.getConfiguration());
   assertTrue(FSTableDescriptors.createTableDescriptor(fs, testdir, htd));
   assertFalse(FSTableDescriptors.createTableDescriptor(fs, testdir, htd));
   FileStatus[] statuses = fs.listStatus(testdir);
   assertTrue("statuses.length=" + statuses.length, statuses.length == 1);
   for (int i = 0; i < 10; i++) {
     FSTableDescriptors.updateHTableDescriptor(fs, testdir, htd);
   }
   statuses = fs.listStatus(testdir);
   assertTrue(statuses.length == 1);
   Path tmpTableDir = new Path(FSUtils.getTablePath(testdir, htd.getName()), ".tmp");
   statuses = fs.listStatus(tmpTableDir);
   assertTrue(statuses.length == 0);
 }