@Override
public void initialize(MasterServices master, MetricsMaster metricsMaster)
throws KeeperException, IOException, UnsupportedOperationException {
this.master = master;
this.rootDir = master.getMasterFileSystem().getRootDir();
checkSnapshotSupport(master.getConfiguration(), master.getMasterFileSystem());
// get the configuration for the coordinator
Configuration conf = master.getConfiguration();
long wakeFrequency = conf.getInt(SNAPSHOT_WAKE_MILLIS_KEY, SNAPSHOT_WAKE_MILLIS_DEFAULT);
long timeoutMillis =
Math.max(
conf.getLong(
SnapshotDescriptionUtils.SNAPSHOT_TIMEOUT_MILLIS_KEY,
SnapshotDescriptionUtils.SNAPSHOT_TIMEOUT_MILLIS_DEFAULT),
conf.getLong(
SnapshotDescriptionUtils.MASTER_SNAPSHOT_TIMEOUT_MILLIS,
SnapshotDescriptionUtils.DEFAULT_MAX_WAIT_TIME));
int opThreads = conf.getInt(SNAPSHOT_POOL_THREADS_KEY, SNAPSHOT_POOL_THREADS_DEFAULT);
// setup the default procedure coordinator
String name = master.getServerName().toString();
ThreadPoolExecutor tpool = ProcedureCoordinator.defaultPool(name, opThreads);
ProcedureCoordinatorRpcs comms =
new ZKProcedureCoordinatorRpcs(
master.getZooKeeper(), SnapshotManager.ONLINE_SNAPSHOT_CONTROLLER_DESCRIPTION, name);
this.coordinator = new ProcedureCoordinator(comms, tpool, timeoutMillis, wakeFrequency);
this.executorService = master.getExecutorService();
resetTempDir();
}
/**
* Modify table is async so wait on completion of the table operation in master.
*
* @param tableName
* @param htd
* @throws IOException
*/
private void modifyTable(final byte[] tableName, final HTableDescriptor htd) throws IOException {
MasterServices services = TEST_UTIL.getMiniHBaseCluster().getMaster();
ExecutorService executor = services.getExecutorService();
AtomicBoolean done = new AtomicBoolean(false);
executor.registerListener(EventType.C_M_MODIFY_TABLE, new DoneListener(done));
this.admin.modifyTable(tableName, htd);
while (!done.get()) {
synchronized (done) {
try {
done.wait(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
executor.unregisterListener(EventType.C_M_MODIFY_TABLE);
}