/**
* Runs inside the task to deserialize column family to bloom filter type map from the
* configuration.
*
* @param conf to read the serialized values from
* @return a map from column family to the the configured bloom filter type
*/
@VisibleForTesting
static Map<byte[], BloomType> createFamilyBloomTypeMap(Configuration conf) {
Map<byte[], String> stringMap = createFamilyConfValueMap(conf, BLOOM_TYPE_FAMILIES_CONF_KEY);
Map<byte[], BloomType> bloomTypeMap = new TreeMap<byte[], BloomType>(Bytes.BYTES_COMPARATOR);
for (Map.Entry<byte[], String> e : stringMap.entrySet()) {
BloomType bloomType = BloomType.valueOf(e.getValue());
bloomTypeMap.put(e.getKey(), bloomType);
}
return bloomTypeMap;
}
/**
* This utility method creates a new Hbase HColumnDescriptor object based on a Thrift
* ColumnDescriptor "struct".
*
* @param in Thrift ColumnDescriptor object
* @return HColumnDescriptor
* @throws IllegalArgument
*/
public static HColumnDescriptor colDescFromThrift(ColumnDescriptor in) throws IllegalArgument {
Compression.Algorithm comp =
Compression.getCompressionAlgorithmByName(in.compression.toLowerCase());
BloomType bt = BloomType.valueOf(in.bloomFilterType);
if (in.name == null || !in.name.hasRemaining()) {
throw new IllegalArgument("column name is empty");
}
byte[] parsedName = KeyValue.parseColumn(Bytes.getBytes(in.name))[0];
HColumnDescriptor col =
new HColumnDescriptor(parsedName)
.setMaxVersions(in.maxVersions)
.setCompressionType(comp)
.setInMemory(in.inMemory)
.setBlockCacheEnabled(in.blockCacheEnabled)
.setTimeToLive(in.timeToLive > 0 ? in.timeToLive : Integer.MAX_VALUE)
.setBloomFilterType(bt);
return col;
}
/**
* Test that {@link HFileOutputFormat2} RecordWriter uses compression and bloom filter settings
* from the column family descriptor
*/
@Ignore("Goes zombie too frequently; needs work. See HBASE-14563")
@Test
public void testColumnFamilySettings() throws Exception {
Configuration conf = new Configuration(this.util.getConfiguration());
RecordWriter<ImmutableBytesWritable, Cell> writer = null;
TaskAttemptContext context = null;
Path dir = util.getDataTestDir("testColumnFamilySettings");
// Setup table descriptor
Table table = Mockito.mock(Table.class);
RegionLocator regionLocator = Mockito.mock(RegionLocator.class);
HTableDescriptor htd = new HTableDescriptor(TABLE_NAME);
Mockito.doReturn(htd).when(table).getTableDescriptor();
for (HColumnDescriptor hcd : HBaseTestingUtility.generateColumnDescriptors()) {
htd.addFamily(hcd);
}
// set up the table to return some mock keys
setupMockStartKeys(regionLocator);
try {
// partial map red setup to get an operational writer for testing
// We turn off the sequence file compression, because DefaultCodec
// pollutes the GZip codec pool with an incompatible compressor.
conf.set("io.seqfile.compression.type", "NONE");
conf.set("hbase.fs.tmp.dir", dir.toString());
// turn locality off to eliminate getRegionLocation fail-and-retry time when writing kvs
conf.setBoolean(HFileOutputFormat2.LOCALITY_SENSITIVE_CONF_KEY, false);
Job job = new Job(conf, "testLocalMRIncrementalLoad");
job.setWorkingDirectory(util.getDataTestDirOnTestFS("testColumnFamilySettings"));
setupRandomGeneratorMapper(job);
HFileOutputFormat2.configureIncrementalLoad(job, table.getTableDescriptor(), regionLocator);
FileOutputFormat.setOutputPath(job, dir);
context = createTestTaskAttemptContext(job);
HFileOutputFormat2 hof = new HFileOutputFormat2();
writer = hof.getRecordWriter(context);
// write out random rows
writeRandomKeyValues(writer, context, htd.getFamiliesKeys(), ROWSPERSPLIT);
writer.close(context);
// Make sure that a directory was created for every CF
FileSystem fs = dir.getFileSystem(conf);
// commit so that the filesystem has one directory per column family
hof.getOutputCommitter(context).commitTask(context);
hof.getOutputCommitter(context).commitJob(context);
FileStatus[] families = FSUtils.listStatus(fs, dir, new FSUtils.FamilyDirFilter(fs));
assertEquals(htd.getFamilies().size(), families.length);
for (FileStatus f : families) {
String familyStr = f.getPath().getName();
HColumnDescriptor hcd = htd.getFamily(Bytes.toBytes(familyStr));
// verify that the compression on this file matches the configured
// compression
Path dataFilePath = fs.listStatus(f.getPath())[0].getPath();
Reader reader = HFile.createReader(fs, dataFilePath, new CacheConfig(conf), conf);
Map<byte[], byte[]> fileInfo = reader.loadFileInfo();
byte[] bloomFilter = fileInfo.get(StoreFile.BLOOM_FILTER_TYPE_KEY);
if (bloomFilter == null) bloomFilter = Bytes.toBytes("NONE");
assertEquals(
"Incorrect bloom filter used for column family "
+ familyStr
+ "(reader: "
+ reader
+ ")",
hcd.getBloomFilterType(),
BloomType.valueOf(Bytes.toString(bloomFilter)));
assertEquals(
"Incorrect compression used for column family "
+ familyStr
+ "(reader: "
+ reader
+ ")",
hcd.getCompressionType(),
reader.getFileContext().getCompression());
}
} finally {
dir.getFileSystem(conf).delete(dir, true);
}
}