/**
* Find all column families that are replicated from this cluster
*
* @return the full list of the replicated column families of this cluster as: tableName, family
* name, replicationType
* <p>Currently replicationType is Global. In the future, more replication types may be
* extended here. For example 1) the replication may only apply to selected peers instead of
* all peers 2) the replicationType may indicate the host Cluster servers as Slave for the
* table:columnFam.
*/
public List<HashMap<String, String>> listReplicated() throws IOException {
List<HashMap<String, String>> replicationColFams = new ArrayList<HashMap<String, String>>();
Admin admin = connection.getAdmin();
HTableDescriptor[] tables;
try {
tables = admin.listTables();
} finally {
if (admin != null) admin.close();
}
for (HTableDescriptor table : tables) {
HColumnDescriptor[] columns = table.getColumnFamilies();
String tableName = table.getNameAsString();
for (HColumnDescriptor column : columns) {
if (column.getScope() != HConstants.REPLICATION_SCOPE_LOCAL) {
// At this moment, the columfam is replicated to all peers
HashMap<String, String> replicationEntry = new HashMap<String, String>();
replicationEntry.put(TNAME, tableName);
replicationEntry.put(CFNAME, column.getNameAsString());
replicationEntry.put(REPLICATIONTYPE, REPLICATIONGLOBAL);
replicationColFams.add(replicationEntry);
}
}
}
return replicationColFams;
}
WALPutBenchmark(
final HRegion region,
final HTableDescriptor htd,
final long numIterations,
final boolean noSync,
final int syncInterval,
final double traceFreq) {
this.numIterations = numIterations;
this.noSync = noSync;
this.syncInterval = syncInterval;
this.numFamilies = htd.getColumnFamilies().length;
this.region = region;
this.htd = htd;
String spanReceivers = getConf().get("hbase.trace.spanreceiver.classes");
if (spanReceivers == null || spanReceivers.isEmpty()) {
loopSampler = Sampler.NEVER;
} else {
if (traceFreq <= 0.0) {
LOG.warn("Tracing enabled but traceFreq=0.");
loopSampler = Sampler.NEVER;
} else if (traceFreq >= 1.0) {
loopSampler = Sampler.ALWAYS;
if (numIterations > 1000) {
LOG.warn(
"Full tracing of all iterations will produce a lot of data. Be sure your"
+ " SpanReciever can keep up.");
}
} else {
getConf().setDouble("hbase.sampler.fraction", traceFreq);
loopSampler = new ProbabilitySampler(new HBaseHTraceConfiguration(getConf()));
}
}
}
/**
* Create a new table descriptor cloning the snapshot table schema.
*
* @param snapshotTableDescriptor
* @param tableName
* @return cloned table descriptor
* @throws IOException
*/
public static HTableDescriptor cloneTableSchema(
final HTableDescriptor snapshotTableDescriptor, final byte[] tableName) throws IOException {
HTableDescriptor htd = new HTableDescriptor(tableName);
for (HColumnDescriptor hcd : snapshotTableDescriptor.getColumnFamilies()) {
htd.addFamily(hcd);
}
return htd;
}
HLogPutBenchmark(
final HRegion region,
final HTableDescriptor htd,
final long numIterations,
final boolean noSync) {
this.numIterations = numIterations;
this.noSync = noSync;
this.numFamilies = htd.getColumnFamilies().length;
this.region = region;
this.htd = htd;
}
@Test(timeout = 120000)
public void testChangeTable() throws Exception {
HTableDescriptor hdt = HTU.createTableDescriptor("testChangeTable");
hdt.setRegionReplication(NB_SERVERS);
hdt.addCoprocessor(SlowMeCopro.class.getName());
Table table = HTU.createTable(hdt, new byte[][] {f}, HTU.getConfiguration());
// basic test: it should work.
Put p = new Put(row);
p.add(f, row, row);
table.put(p);
Get g = new Get(row);
Result r = table.get(g);
Assert.assertFalse(r.isStale());
// Add a CF, it should work.
HTableDescriptor bHdt = HTU.getHBaseAdmin().getTableDescriptor(hdt.getTableName());
HColumnDescriptor hcd = new HColumnDescriptor(row);
hdt.addFamily(hcd);
HTU.getHBaseAdmin().disableTable(hdt.getTableName());
HTU.getHBaseAdmin().modifyTable(hdt.getTableName(), hdt);
HTU.getHBaseAdmin().enableTable(hdt.getTableName());
HTableDescriptor nHdt = HTU.getHBaseAdmin().getTableDescriptor(hdt.getTableName());
Assert.assertEquals(
"fams=" + Arrays.toString(nHdt.getColumnFamilies()),
bHdt.getColumnFamilies().length + 1,
nHdt.getColumnFamilies().length);
p = new Put(row);
p.add(row, row, row);
table.put(p);
g = new Get(row);
r = table.get(g);
Assert.assertFalse(r.isStale());
try {
SlowMeCopro.cdl.set(new CountDownLatch(1));
g = new Get(row);
g.setConsistency(Consistency.TIMELINE);
r = table.get(g);
Assert.assertTrue(r.isStale());
} finally {
SlowMeCopro.cdl.get().countDown();
SlowMeCopro.sleepTime.set(0);
}
Admin admin = HTU.getHBaseAdmin();
nHdt = admin.getTableDescriptor(hdt.getTableName());
Assert.assertEquals(
"fams=" + Arrays.toString(nHdt.getColumnFamilies()),
bHdt.getColumnFamilies().length + 1,
nHdt.getColumnFamilies().length);
admin.disableTable(hdt.getTableName());
admin.deleteTable(hdt.getTableName());
admin.close();
}
@Test(timeout = 30000)
public void testBulkLoad() throws IOException {
// Create table then get the single region for our new table.
LOG.debug("Creating test table");
HTableDescriptor hdt = HTU.createTableDescriptor("testBulkLoad");
hdt.setRegionReplication(NB_SERVERS);
hdt.addCoprocessor(SlowMeCopro.class.getName());
Table table = HTU.createTable(hdt, new byte[][] {f}, HTU.getConfiguration());
// create hfiles to load.
LOG.debug("Creating test data");
Path dir = HTU.getDataTestDirOnTestFS("testBulkLoad");
final int numRows = 10;
final byte[] qual = Bytes.toBytes("qual");
final byte[] val = Bytes.toBytes("val");
final List<Pair<byte[], String>> famPaths = new ArrayList<Pair<byte[], String>>();
for (HColumnDescriptor col : hdt.getColumnFamilies()) {
Path hfile = new Path(dir, col.getNameAsString());
TestHRegionServerBulkLoad.createHFile(
HTU.getTestFileSystem(), hfile, col.getName(), qual, val, numRows);
famPaths.add(new Pair<byte[], String>(col.getName(), hfile.toString()));
}
// bulk load HFiles
LOG.debug("Loading test data");
@SuppressWarnings("deprecation")
final HConnection conn = HTU.getHBaseAdmin().getConnection();
RegionServerCallable<Void> callable =
new RegionServerCallable<Void>(
conn, hdt.getTableName(), TestHRegionServerBulkLoad.rowkey(0)) {
@Override
public Void call(int timeout) throws Exception {
LOG.debug(
"Going to connect to server "
+ getLocation()
+ " for row "
+ Bytes.toStringBinary(getRow()));
byte[] regionName = getLocation().getRegionInfo().getRegionName();
BulkLoadHFileRequest request =
RequestConverter.buildBulkLoadHFileRequest(famPaths, regionName, true);
getStub().bulkLoadHFile(null, request);
return null;
}
};
RpcRetryingCallerFactory factory = new RpcRetryingCallerFactory(HTU.getConfiguration());
RpcRetryingCaller<Void> caller = factory.<Void>newCaller();
caller.callWithRetries(callable, 10000);
// verify we can read them from the primary
LOG.debug("Verifying data load");
for (int i = 0; i < numRows; i++) {
byte[] row = TestHRegionServerBulkLoad.rowkey(i);
Get g = new Get(row);
Result r = table.get(g);
Assert.assertFalse(r.isStale());
}
// verify we can read them from the replica
LOG.debug("Verifying replica queries");
try {
SlowMeCopro.cdl.set(new CountDownLatch(1));
for (int i = 0; i < numRows; i++) {
byte[] row = TestHRegionServerBulkLoad.rowkey(i);
Get g = new Get(row);
g.setConsistency(Consistency.TIMELINE);
Result r = table.get(g);
Assert.assertTrue(r.isStale());
}
SlowMeCopro.cdl.get().countDown();
} finally {
SlowMeCopro.cdl.get().countDown();
SlowMeCopro.sleepTime.set(0);
}
HTU.getHBaseAdmin().disableTable(hdt.getTableName());
HTU.deleteTable(hdt.getTableName());
}