/**
* This test is to test the scenario happened in HBASE-6901. All files are bulk loaded and
* excluded from minor compaction. Without the fix of HBASE-6901, an
* ArrayIndexOutOfBoundsException will be thrown.
*/
@Ignore("Flakey: See HBASE-9051")
@Test
public void testExcludeAllFromMinorCompaction() throws Exception {
Configuration conf = util.getConfiguration();
conf.setInt("hbase.hstore.compaction.min", 2);
generateRandomStartKeys(5);
util.startMiniCluster();
try (Connection conn = ConnectionFactory.createConnection();
Admin admin = conn.getAdmin();
Table table = util.createTable(TABLE_NAME, FAMILIES);
RegionLocator locator = conn.getRegionLocator(TABLE_NAME)) {
final FileSystem fs = util.getDFSCluster().getFileSystem();
assertEquals("Should start with empty table", 0, util.countRows(table));
// deep inspection: get the StoreFile dir
final Path storePath =
new Path(
FSUtils.getTableDir(FSUtils.getRootDir(conf), TABLE_NAME),
new Path(
admin.getTableRegions(TABLE_NAME).get(0).getEncodedName(),
Bytes.toString(FAMILIES[0])));
assertEquals(0, fs.listStatus(storePath).length);
// Generate two bulk load files
conf.setBoolean("hbase.mapreduce.hfileoutputformat.compaction.exclude", true);
for (int i = 0; i < 2; i++) {
Path testDir = util.getDataTestDirOnTestFS("testExcludeAllFromMinorCompaction_" + i);
runIncrementalPELoad(
conf, table.getTableDescriptor(), conn.getRegionLocator(TABLE_NAME), testDir);
// Perform the actual load
new LoadIncrementalHFiles(conf).doBulkLoad(testDir, admin, table, locator);
}
// Ensure data shows up
int expectedRows = 2 * NMapInputFormat.getNumMapTasks(conf) * ROWSPERSPLIT;
assertEquals(
"LoadIncrementalHFiles should put expected data in table",
expectedRows,
util.countRows(table));
// should have a second StoreFile now
assertEquals(2, fs.listStatus(storePath).length);
// minor compactions shouldn't get rid of the file
admin.compact(TABLE_NAME);
try {
quickPoll(
new Callable<Boolean>() {
@Override
public Boolean call() throws Exception {
return fs.listStatus(storePath).length == 1;
}
},
5000);
throw new IOException("SF# = " + fs.listStatus(storePath).length);
} catch (AssertionError ae) {
// this is expected behavior
}
// a major compaction should work though
admin.majorCompact(TABLE_NAME);
quickPoll(
new Callable<Boolean>() {
@Override
public Boolean call() throws Exception {
return fs.listStatus(storePath).length == 1;
}
},
5000);
} finally {
util.shutdownMiniCluster();
}
}
@Test(timeout = 60000)
public void testAssignmentListener() throws IOException, InterruptedException {
AssignmentManager am = TEST_UTIL.getHBaseCluster().getMaster().getAssignmentManager();
Admin admin = TEST_UTIL.getHBaseAdmin();
DummyAssignmentListener listener = new DummyAssignmentListener();
am.registerListener(listener);
try {
final String TABLE_NAME_STR = "testtb";
final TableName TABLE_NAME = TableName.valueOf(TABLE_NAME_STR);
final byte[] FAMILY = Bytes.toBytes("cf");
// Create a new table, with a single region
LOG.info("Create Table");
TEST_UTIL.createTable(TABLE_NAME, FAMILY);
listener.awaitModifications(1);
assertEquals(1, listener.getLoadCount());
assertEquals(0, listener.getCloseCount());
// Add some data
HTable table = new HTable(TEST_UTIL.getConfiguration(), TABLE_NAME);
try {
for (int i = 0; i < 10; ++i) {
byte[] key = Bytes.toBytes("row-" + i);
Put put = new Put(key);
put.add(FAMILY, null, key);
table.put(put);
}
} finally {
table.close();
}
// Split the table in two
LOG.info("Split Table");
listener.reset();
admin.split(TABLE_NAME_STR, "row-3");
listener.awaitModifications(3);
assertEquals(2, listener.getLoadCount()); // daughters added
assertEquals(1, listener.getCloseCount()); // parent removed
// Wait for the Regions to be mergeable
MiniHBaseCluster miniCluster = TEST_UTIL.getMiniHBaseCluster();
int mergeable = 0;
while (mergeable < 2) {
Thread.sleep(100);
admin.majorCompact(TABLE_NAME_STR);
mergeable = 0;
for (JVMClusterUtil.RegionServerThread regionThread :
miniCluster.getRegionServerThreads()) {
for (HRegion region : regionThread.getRegionServer().getOnlineRegions(TABLE_NAME)) {
mergeable += region.isMergeable() ? 1 : 0;
}
}
}
// Merge the two regions
LOG.info("Merge Regions");
listener.reset();
List<HRegionInfo> regions = admin.getTableRegions(TABLE_NAME);
assertEquals(2, regions.size());
admin.mergeRegions(
regions.get(0).getEncodedNameAsBytes(), regions.get(1).getEncodedNameAsBytes(), true);
listener.awaitModifications(3);
assertEquals(1, admin.getTableRegions(TABLE_NAME).size());
assertEquals(1, listener.getLoadCount()); // new merged region added
assertEquals(2, listener.getCloseCount()); // daughters removed
// Delete the table
LOG.info("Drop Table");
listener.reset();
TEST_UTIL.deleteTable(TABLE_NAME);
listener.awaitModifications(1);
assertEquals(0, listener.getLoadCount());
assertEquals(1, listener.getCloseCount());
} finally {
am.unregisterListener(listener);
}
}
@Test
public void testExcludeMinorCompaction() throws Exception {
Configuration conf = util.getConfiguration();
conf.setInt("hbase.hstore.compaction.min", 2);
generateRandomStartKeys(5);
try {
util.startMiniCluster();
Path testDir = util.getDataTestDirOnTestFS("testExcludeMinorCompaction");
final FileSystem fs = util.getDFSCluster().getFileSystem();
Admin admin = util.getHBaseAdmin();
HTable table = util.createTable(TABLE_NAME, FAMILIES);
assertEquals("Should start with empty table", 0, util.countRows(table));
// deep inspection: get the StoreFile dir
final Path storePath =
HStore.getStoreHomedir(
FSUtils.getTableDir(FSUtils.getRootDir(conf), TABLE_NAME),
admin.getTableRegions(TABLE_NAME).get(0),
FAMILIES[0]);
assertEquals(0, fs.listStatus(storePath).length);
// put some data in it and flush to create a storefile
Put p = new Put(Bytes.toBytes("test"));
p.add(FAMILIES[0], Bytes.toBytes("1"), Bytes.toBytes("1"));
table.put(p);
admin.flush(TABLE_NAME);
assertEquals(1, util.countRows(table));
quickPoll(
new Callable<Boolean>() {
public Boolean call() throws Exception {
return fs.listStatus(storePath).length == 1;
}
},
5000);
// Generate a bulk load file with more rows
conf.setBoolean("hbase.mapreduce.hfileoutputformat.compaction.exclude", true);
util.startMiniMapReduceCluster();
runIncrementalPELoad(conf, table, testDir);
// Perform the actual load
new LoadIncrementalHFiles(conf).doBulkLoad(testDir, table);
// Ensure data shows up
int expectedRows = NMapInputFormat.getNumMapTasks(conf) * ROWSPERSPLIT;
assertEquals(
"LoadIncrementalHFiles should put expected data in table",
expectedRows + 1,
util.countRows(table));
// should have a second StoreFile now
assertEquals(2, fs.listStatus(storePath).length);
// minor compactions shouldn't get rid of the file
admin.compact(TABLE_NAME);
try {
quickPoll(
new Callable<Boolean>() {
public Boolean call() throws Exception {
return fs.listStatus(storePath).length == 1;
}
},
5000);
throw new IOException("SF# = " + fs.listStatus(storePath).length);
} catch (AssertionError ae) {
// this is expected behavior
}
// a major compaction should work though
admin.majorCompact(TABLE_NAME);
quickPoll(
new Callable<Boolean>() {
public Boolean call() throws Exception {
return fs.listStatus(storePath).length == 1;
}
},
5000);
} finally {
util.shutdownMiniMapReduceCluster();
util.shutdownMiniCluster();
}
}