/** Apply column family options such as Bloom filters, compression, and data block encoding. */
protected void applyColumnFamilyOptions(byte[] tableName, byte[][] columnFamilies)
throws IOException {
HBaseAdmin admin = new HBaseAdmin(conf);
HTableDescriptor tableDesc = admin.getTableDescriptor(tableName);
LOG.info("Disabling table " + Bytes.toString(tableName));
admin.disableTable(tableName);
for (byte[] cf : columnFamilies) {
HColumnDescriptor columnDesc = tableDesc.getFamily(cf);
boolean isNewCf = columnDesc == null;
if (isNewCf) {
columnDesc = new HColumnDescriptor(cf);
}
if (bloomType != null) {
columnDesc.setBloomFilterType(bloomType);
}
if (compressAlgo != null) {
columnDesc.setCompressionType(compressAlgo);
}
if (dataBlockEncodingAlgo != null) {
columnDesc.setDataBlockEncoding(dataBlockEncodingAlgo);
columnDesc.setEncodeOnDisk(!encodeInCacheOnly);
}
if (inMemoryCF) {
columnDesc.setInMemory(inMemoryCF);
}
if (isNewCf) {
admin.addColumn(tableName, columnDesc);
} else {
admin.modifyColumn(tableName, columnDesc);
}
}
LOG.info("Enabling table " + Bytes.toString(tableName));
admin.enableTable(tableName);
}
private void ensureColumnFamilyExists(String tableName, String columnFamily)
throws StorageException {
HBaseAdmin adm = getAdminInterface();
HTableDescriptor desc = ensureTableExists(tableName);
Preconditions.checkNotNull(desc);
HColumnDescriptor cf = desc.getFamily(columnFamily.getBytes());
// Create our column family, if necessary
if (cf == null) {
try {
adm.disableTable(tableName);
desc.addFamily(
new HColumnDescriptor(columnFamily).setCompressionType(Compression.Algorithm.GZ));
adm.modifyTable(tableName.getBytes(), desc);
try {
logger.debug(
"Added HBase ColumnFamily {}, waiting for 1 sec. to propogate.", columnFamily);
Thread.sleep(1000L);
} catch (InterruptedException ie) {
throw new TemporaryStorageException(ie);
}
adm.enableTable(tableName);
} catch (TableNotFoundException ee) {
logger.error("TableNotFoundException", ee);
throw new PermanentStorageException(ee);
} catch (org.apache.hadoop.hbase.TableExistsException ee) {
logger.debug("Swallowing exception {}", ee);
} catch (IOException ee) {
throw new TemporaryStorageException(ee);
}
} else { // check if compression was enabled, if not - enable it
if (cf.getCompressionType() == null
|| cf.getCompressionType() == Compression.Algorithm.NONE) {
try {
adm.disableTable(tableName);
adm.modifyColumn(tableName, cf.setCompressionType(Compression.Algorithm.GZ));
adm.enableTable(tableName);
} catch (IOException e) {
throw new TemporaryStorageException(e);
}
}
}
}
