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本文整理了Java中org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.getRecoverableZooKeeper()
方法的一些代码示例,展示了ZooKeeperWatcher.getRecoverableZooKeeper()
的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。ZooKeeperWatcher.getRecoverableZooKeeper()
方法的具体详情如下:
包路径:org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher
类名称:ZooKeeperWatcher
方法名:getRecoverableZooKeeper
[英]Get the connection to ZooKeeper.
[中]接通动物园管理员。
代码示例来源:origin: line/armeria
/**
* Ensure Armeria's dependencies do not cause a trouble with hbase-shaded-client.
*
* @see <a href="https://issues.apache.org/jira/browse/HBASE-14963">HBASE-14963</a>
*/
@Test(expected = NotAllMetaRegionsOnlineException.class)
public void testGuavaConflict() throws Exception {
// Make sure Armeria is available in the class path.
assertThat(Version.identify(Server.class.getClassLoader())).isNotNull();
// Make sure newer Guava is available in the class path.
assertThat(Stopwatch.class.getDeclaredConstructor().getModifiers()).is(new Condition<>(
value -> !Modifier.isPublic(value),
"Recent Guava Stopwatch should have non-public default constructor."));
final MetaTableLocator locator = new MetaTableLocator();
final ZooKeeperWatcher zkw = mock(ZooKeeperWatcher.class);
final RecoverableZooKeeper zk = mock(RecoverableZooKeeper.class);
when(zkw.getRecoverableZooKeeper()).thenReturn(zk);
when(zk.exists(any(), any())).thenReturn(new Stat(0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0));
locator.waitMetaRegionLocation(zkw, 100);
}
}
代码示例来源:origin: co.cask.hbase/hbase
private void tryGetDataSetWatch(String path) {
// A negative retry count will lead to ignoring all error processing.
this.watcher.getRecoverableZooKeeper().getZooKeeper().
getData(path, this.watcher,
new GetDataAsyncCallback(), new Long(-1) /* retry count */);
tot_mgr_get_data_queued.incrementAndGet();
}
代码示例来源:origin: harbby/presto-connectors
@Override
public void checkTaskStillAvailable(String path) {
// A negative retry count will lead to ignoring all error processing.
this.watcher
.getRecoverableZooKeeper()
.getZooKeeper()
.getData(path, this.watcher, new GetDataAsyncCallback(),
Long.valueOf(-1) /* retry count */);
SplitLogCounters.tot_mgr_get_data_queued.incrementAndGet();
}
代码示例来源:origin: co.cask.hbase/hbase
void getDataSetWatchAsync() {
this.watcher.getRecoverableZooKeeper().getZooKeeper().
getData(currentTask, this.watcher,
new GetDataAsyncCallback(), null);
tot_wkr_get_data_queued.incrementAndGet();
}
代码示例来源:origin: co.cask.hbase/hbase
private void getDataSetWatch(String path, Long retry_count) {
this.watcher.getRecoverableZooKeeper().getZooKeeper().
getData(path, this.watcher,
new GetDataAsyncCallback(), retry_count);
tot_mgr_get_data_queued.incrementAndGet();
}
代码示例来源:origin: harbby/presto-connectors
public void getDataSetWatchAsync() {
watcher.getRecoverableZooKeeper().getZooKeeper()
.getData(currentTask, watcher, new GetDataAsyncCallback(), null);
SplitLogCounters.tot_wkr_get_data_queued.incrementAndGet();
}
代码示例来源:origin: harbby/presto-connectors
private void getDataSetWatch(String path, Long retry_count) {
this.watcher.getRecoverableZooKeeper().getZooKeeper()
.getData(path, this.watcher, new GetDataAsyncCallback(), retry_count);
SplitLogCounters.tot_mgr_get_data_queued.incrementAndGet();
}
代码示例来源:origin: co.cask.hbase/hbase
void internalClose() {
if (this.closed) {
return;
}
master = null;
this.servers.clear();
if (this.rpcEngine != null) {
this.rpcEngine.close();
}
if (this.zooKeeper != null) {
LOG.info("Closed zookeeper sessionid=0x" +
Long.toHexString(this.zooKeeper.getRecoverableZooKeeper().getSessionId()));
this.zooKeeper.close();
this.zooKeeper = null;
}
this.closed = true;
}
代码示例来源:origin: co.cask.hbase/hbase
private void deleteNode(String path, Long retries) {
tot_mgr_node_delete_queued.incrementAndGet();
// Once a task znode is ready for delete, that is it is in the TASK_DONE
// state, then no one should be writing to it anymore. That is no one
// will be updating the znode version any more.
this.watcher.getRecoverableZooKeeper().getZooKeeper().
delete(path, -1, new DeleteAsyncCallback(),
retries);
}
代码示例来源:origin: harbby/presto-connectors
private void deleteNode(String path, Long retries) {
SplitLogCounters.tot_mgr_node_delete_queued.incrementAndGet();
// Once a task znode is ready for delete, that is it is in the TASK_DONE
// state, then no one should be writing to it anymore. That is no one
// will be updating the znode version any more.
this.watcher.getRecoverableZooKeeper().getZooKeeper()
.delete(path, -1, new DeleteAsyncCallback(), retries);
}
代码示例来源:origin: co.cask.hbase/hbase
/**
* Delete the specified node with the specified version. Sets no watches.
* Throws all exceptions.
*/
public static boolean deleteNode(ZooKeeperWatcher zkw, String node,
int version)
throws KeeperException {
try {
zkw.getRecoverableZooKeeper().delete(node, version);
return true;
} catch(KeeperException.BadVersionException bve) {
return false;
} catch(InterruptedException ie) {
zkw.interruptedException(ie);
return false;
}
}
代码示例来源:origin: harbby/presto-connectors
/**
* Delete the specified node with the specified version. Sets no watches.
* Throws all exceptions.
*/
public static boolean deleteNode(ZooKeeperWatcher zkw, String node,
int version)
throws KeeperException {
try {
zkw.getRecoverableZooKeeper().delete(node, version);
return true;
} catch(KeeperException.BadVersionException bve) {
return false;
} catch(InterruptedException ie) {
zkw.interruptedException(ie);
return false;
}
}
代码示例来源:origin: co.cask.hbase/hbase
@Override
public void processResult(int rc, String path, Object ctx, String name) {
if (rc != 0) {
// This is resultcode. If non-zero, need to resubmit.
LOG.warn("rc != 0 for " + path + " -- retryable connectionloss -- " +
"FIX see http://wiki.apache.org/hadoop/ZooKeeper/FAQ#A2");
this.zkw.abort("Connectionloss writing unassigned at " + path +
", rc=" + rc, null);
return;
}
LOG.debug("rs=" + (RegionState)ctx + ", server=" + this.destination.toString());
// Async exists to set a watcher so we'll get triggered when
// unassigned node changes.
this.zkw.getRecoverableZooKeeper().getZooKeeper().exists(path, this.zkw,
new ExistsUnassignedAsyncCallback(this.counter, destination), ctx);
}
}
代码示例来源:origin: co.cask.hbase/hbase
@Override
public void processResult(int rc, String path, Object ctx, byte[] data,
Stat stat) {
tot_wkr_get_data_result.incrementAndGet();
if (rc != 0) {
LOG.warn("getdata rc = " + KeeperException.Code.get(rc) + " " + path);
getDataSetWatchFailure(path);
return;
}
data = watcher.getRecoverableZooKeeper().removeMetaData(data);
getDataSetWatchSuccess(path, data);
return;
}
}
代码示例来源:origin: co.cask.hbase/hbase
@Override
public void start(CoprocessorEnvironment e) throws IOException {
RegionCoprocessorEnvironment re = (RegionCoprocessorEnvironment) e;
if (!re.getSharedData().containsKey(zkkey)) {
// there is a short race here
// in the worst case we create a watcher that will be notified once
re.getSharedData().putIfAbsent(
zkkey,
new ZKWatcher(re.getRegionServerServices().getZooKeeper()
.getRecoverableZooKeeper().getZooKeeper()));
}
}
代码示例来源:origin: harbby/presto-connectors
@Override
public void processResult(int rc, String path, Object ctx, byte[] data, Stat stat) {
SplitLogCounters.tot_wkr_get_data_result.incrementAndGet();
if (rc != 0) {
LOG.warn("getdata rc = " + KeeperException.Code.get(rc) + " " + path);
getDataSetWatchFailure(path);
return;
}
data = watcher.getRecoverableZooKeeper().removeMetaData(data);
getDataSetWatchSuccess(path, data);
}
}
代码示例来源:origin: harbby/presto-connectors
/**
* signal the workers that a task was resubmitted by creating the RESCAN node.
*/
private void rescan(long retries) {
// The RESCAN node will be deleted almost immediately by the
// SplitLogManager as soon as it is created because it is being
// created in the DONE state. This behavior prevents a buildup
// of RESCAN nodes. But there is also a chance that a SplitLogWorker
// might miss the watch-trigger that creation of RESCAN node provides.
// Since the TimeoutMonitor will keep resubmitting UNASSIGNED tasks
// therefore this behavior is safe.
SplitLogTask slt = new SplitLogTask.Done(this.details.getServerName(), getRecoveryMode());
this.watcher
.getRecoverableZooKeeper()
.getZooKeeper()
.create(ZKSplitLog.getRescanNode(watcher), slt.toByteArray(), Ids.OPEN_ACL_UNSAFE,
CreateMode.EPHEMERAL_SEQUENTIAL, new CreateRescanAsyncCallback(), Long.valueOf(retries));
}
代码示例来源:origin: co.cask.hbase/hbase
private static void deleteNodeFailSilent(ZooKeeperWatcher zkw,
DeleteNodeFailSilent dnfs) throws KeeperException {
DeleteRequest delete = (DeleteRequest)toZooKeeperOp(zkw, dnfs).toRequestRecord();
try {
zkw.getRecoverableZooKeeper().delete(delete.getPath(), delete.getVersion());
} catch(KeeperException.NoNodeException nne) {
} catch(InterruptedException ie) {
zkw.interruptedException(ie);
}
}
代码示例来源:origin: harbby/presto-connectors
private static void deleteNodeFailSilent(ZooKeeperWatcher zkw,
DeleteNodeFailSilent dnfs) throws KeeperException {
DeleteRequest delete = (DeleteRequest)toZooKeeperOp(zkw, dnfs).toRequestRecord();
try {
zkw.getRecoverableZooKeeper().delete(delete.getPath(), delete.getVersion());
} catch(KeeperException.NoNodeException nne) {
} catch(InterruptedException ie) {
zkw.interruptedException(ie);
}
}
代码示例来源:origin: harbby/presto-connectors
private static void resetAcls(final ZooKeeperWatcher zkw, final String znode,
final boolean eraseAcls) throws Exception {
List<String> children = ZKUtil.listChildrenNoWatch(zkw, znode);
if (children != null) {
for (String child: children) {
resetAcls(zkw, ZKUtil.joinZNode(znode, child), eraseAcls);
}
}
ZooKeeper zk = zkw.getRecoverableZooKeeper().getZooKeeper();
if (eraseAcls) {
LOG.info(" - erase ACLs for " + znode);
zk.setACL(znode, ZooDefs.Ids.OPEN_ACL_UNSAFE, -1);
} else {
LOG.info(" - set ACLs for " + znode);
zk.setACL(znode, ZKUtil.createACL(zkw, znode, true), -1);
}
}
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