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本文整理了Java中org.apache.hadoop.hbase.zookeeper.ZKSplitLog.isRescanNode()
方法的一些代码示例,展示了ZKSplitLog.isRescanNode()
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。ZKSplitLog.isRescanNode()
方法的具体详情如下:
包路径:org.apache.hadoop.hbase.zookeeper.ZKSplitLog
类名称:ZKSplitLog
方法名:isRescanNode
暂无
代码示例来源:origin: apache/hbase
private void deleteNodeSuccess(String path) {
if (ignoreZKDeleteForTesting) {
return;
}
Task task;
task = details.getTasks().remove(path);
if (task == null) {
if (ZKSplitLog.isRescanNode(watcher, path)) {
SplitLogCounters.tot_mgr_rescan_deleted.increment();
}
SplitLogCounters.tot_mgr_missing_state_in_delete.increment();
LOG.debug("Deleted task without in memory state " + path);
return;
}
synchronized (task) {
task.status = DELETED;
task.notify();
}
SplitLogCounters.tot_mgr_task_deleted.increment();
}
代码示例来源:origin: apache/hbase
@Override
public int remainingTasksInCoordination() {
int count = 0;
try {
List<String> tasks = ZKUtil.listChildrenNoWatch(watcher,
watcher.getZNodePaths().splitLogZNode);
if (tasks != null) {
int listSize = tasks.size();
for (int i = 0; i < listSize; i++) {
if (!ZKSplitLog.isRescanNode(tasks.get(i))) {
count++;
}
}
}
} catch (KeeperException ke) {
LOG.warn("Failed to check remaining tasks", ke);
count = -1;
}
return count;
}
代码示例来源:origin: apache/hbase
private void setDone(String path, TerminationStatus status) {
Task task = details.getTasks().get(path);
if (task == null) {
if (!ZKSplitLog.isRescanNode(watcher, path)) {
SplitLogCounters.tot_mgr_unacquired_orphan_done.increment();
LOG.debug("Unacquired orphan task is done " + path);
代码示例来源:origin: apache/hbase
/**
* It is possible for a task to stay in UNASSIGNED state indefinitely - say SplitLogManager wants
* to resubmit a task. It forces the task to UNASSIGNED state but it dies before it could create
* the RESCAN task node to signal the SplitLogWorkers to pick up the task. To prevent this
* scenario the SplitLogManager resubmits all orphan and UNASSIGNED tasks at startup.
* @param path
*/
private void handleUnassignedTask(String path) {
if (ZKSplitLog.isRescanNode(watcher, path)) {
return;
}
Task task = findOrCreateOrphanTask(path);
if (task.isOrphan() && (task.incarnation.get() == 0)) {
LOG.info("Resubmitting unassigned orphan task " + path);
// ignore failure to resubmit. The timeout-monitor will handle it later
// albeit in a more crude fashion
resubmitTask(path, task, FORCE);
}
}
代码示例来源:origin: apache/hbase
@Override
public void nodeDataChanged(String path) {
Task task;
task = details.getTasks().get(path);
if (task != null || ZKSplitLog.isRescanNode(watcher, path)) {
if (task != null) {
task.heartbeatNoDetails(EnvironmentEdgeManager.currentTime());
}
getDataSetWatch(path, zkretries);
}
}
代码示例来源:origin: apache/hbase
private void lookForOrphans() {
List<String> orphans;
try {
orphans = ZKUtil.listChildrenNoWatch(this.watcher,
this.watcher.getZNodePaths().splitLogZNode);
if (orphans == null) {
LOG.warn("Could not get children of " + this.watcher.getZNodePaths().splitLogZNode);
return;
}
} catch (KeeperException e) {
LOG.warn("Could not get children of " + this.watcher.getZNodePaths().splitLogZNode + " "
+ StringUtils.stringifyException(e));
return;
}
int rescan_nodes = 0;
int listSize = orphans.size();
for (int i = 0; i < listSize; i++) {
String path = orphans.get(i);
String nodepath = ZNodePaths.joinZNode(watcher.getZNodePaths().splitLogZNode, path);
if (ZKSplitLog.isRescanNode(watcher, nodepath)) {
rescan_nodes++;
LOG.debug("Found orphan rescan node " + path);
} else {
LOG.info("Found orphan task " + path);
}
getDataSetWatch(nodepath, zkretries);
}
LOG.info("Found " + (orphans.size() - rescan_nodes) + " orphan tasks and " + rescan_nodes
+ " rescan nodes");
}
代码示例来源:origin: apache/hbase
if (ZKSplitLog.isRescanNode(watcher, currentTask)) {
ZkSplitLogWorkerCoordination.ZkSplitTaskDetails splitTaskDetails =
new ZkSplitLogWorkerCoordination.ZkSplitTaskDetails();
代码示例来源:origin: apache/hbase
} else if (slt.isDone()) {
LOG.info("Task " + path + " entered state=" + slt.toString());
if (taskFinisher != null && !ZKSplitLog.isRescanNode(watcher, path)) {
if (taskFinisher.finish(slt.getServerName(), ZKSplitLog.getFileName(path)) == Status.DONE) {
setDone(path, SUCCESS);
代码示例来源:origin: co.cask.hbase/hbase
private void deleteNodeSuccess(String path) {
if (ignoreZKDeleteForTesting) {
return;
}
Task task;
task = tasks.remove(path);
if (task == null) {
if (ZKSplitLog.isRescanNode(watcher, path)) {
tot_mgr_rescan_deleted.incrementAndGet();
}
tot_mgr_missing_state_in_delete.incrementAndGet();
LOG.debug("deleted task without in memory state " + path);
return;
}
synchronized (task) {
task.status = DELETED;
task.notify();
}
tot_mgr_task_deleted.incrementAndGet();
}
代码示例来源:origin: harbby/presto-connectors
private List<String> listSplitLogTasks() throws KeeperException {
List<String> taskOrRescanList = ZKUtil.listChildrenNoWatch(watcher, watcher.splitLogZNode);
if (taskOrRescanList == null || taskOrRescanList.isEmpty()) {
return Collections.<String> emptyList();
}
List<String> taskList = new ArrayList<String>();
for (String taskOrRescan : taskOrRescanList) {
// Remove rescan nodes
if (!ZKSplitLog.isRescanNode(taskOrRescan)) {
taskList.add(taskOrRescan);
}
}
return taskList;
}
代码示例来源:origin: co.cask.hbase/hbase
private int remainingTasksInZK() {
int count = 0;
try {
List<String> tasks =
ZKUtil.listChildrenNoWatch(watcher, watcher.splitLogZNode);
if (tasks != null) {
for (String t: tasks) {
if (!ZKSplitLog.isRescanNode(watcher, t)) {
count++;
}
}
}
} catch (KeeperException ke) {
LOG.warn("Failed to check remaining tasks", ke);
count = -1;
}
return count;
}
代码示例来源:origin: harbby/presto-connectors
private void deleteNodeSuccess(String path) {
if (ignoreZKDeleteForTesting) {
return;
}
Task task;
task = details.getTasks().remove(path);
if (task == null) {
if (ZKSplitLog.isRescanNode(watcher, path)) {
SplitLogCounters.tot_mgr_rescan_deleted.incrementAndGet();
}
SplitLogCounters.tot_mgr_missing_state_in_delete.incrementAndGet();
LOG.debug("deleted task without in memory state " + path);
return;
}
synchronized (task) {
task.status = DELETED;
task.notify();
}
SplitLogCounters.tot_mgr_task_deleted.incrementAndGet();
}
代码示例来源:origin: co.cask.hbase/hbase
private void setDone(String path, TerminationStatus status) {
Task task = tasks.get(path);
if (task == null) {
if (!ZKSplitLog.isRescanNode(watcher, path)) {
tot_mgr_unacquired_orphan_done.incrementAndGet();
LOG.debug("unacquired orphan task is done " + path);
代码示例来源:origin: harbby/presto-connectors
@Override
public int remainingTasksInCoordination() {
int count = 0;
try {
List<String> tasks = ZKUtil.listChildrenNoWatch(watcher, watcher.splitLogZNode);
if (tasks != null) {
int listSize = tasks.size();
for (int i = 0; i < listSize; i++) {
if (!ZKSplitLog.isRescanNode(tasks.get(i))) {
count++;
}
}
}
} catch (KeeperException ke) {
LOG.warn("Failed to check remaining tasks", ke);
count = -1;
}
return count;
}
代码示例来源:origin: co.cask.hbase/hbase
@Override
public void nodeDataChanged(String path) {
Task task;
task = tasks.get(path);
if (task != null || ZKSplitLog.isRescanNode(watcher, path)) {
if (task != null) {
task.heartbeatNoDetails(EnvironmentEdgeManager.currentTimeMillis());
}
getDataSetWatch(path, zkretries);
}
}
代码示例来源:origin: co.cask.hbase/hbase
private void lookForOrphans() {
List<String> orphans;
try {
orphans = ZKUtil.listChildrenNoWatch(this.watcher,
this.watcher.splitLogZNode);
if (orphans == null) {
LOG.warn("could not get children of " + this.watcher.splitLogZNode);
return;
}
} catch (KeeperException e) {
LOG.warn("could not get children of " + this.watcher.splitLogZNode +
" " + StringUtils.stringifyException(e));
return;
}
int rescan_nodes = 0;
for (String path : orphans) {
String nodepath = ZKUtil.joinZNode(watcher.splitLogZNode, path);
if (ZKSplitLog.isRescanNode(watcher, nodepath)) {
rescan_nodes++;
LOG.debug("found orphan rescan node " + path);
} else {
LOG.info("found orphan task " + path);
}
getDataSetWatch(nodepath, zkretries);
}
LOG.info("found " + (orphans.size() - rescan_nodes) + " orphan tasks and " +
rescan_nodes + " rescan nodes");
}
代码示例来源:origin: harbby/presto-connectors
@Override
public void nodeDataChanged(String path) {
Task task;
task = details.getTasks().get(path);
if (task != null || ZKSplitLog.isRescanNode(watcher, path)) {
if (task != null) {
task.heartbeatNoDetails(EnvironmentEdgeManager.currentTime());
}
getDataSetWatch(path, zkretries);
}
}
代码示例来源:origin: co.cask.hbase/hbase
/**
* It is possible for a task to stay in UNASSIGNED state indefinitely - say
* SplitLogManager wants to resubmit a task. It forces the task to UNASSIGNED
* state but it dies before it could create the RESCAN task node to signal
* the SplitLogWorkers to pick up the task. To prevent this scenario the
* SplitLogManager resubmits all orphan and UNASSIGNED tasks at startup.
*
* @param path
*/
private void handleUnassignedTask(String path) {
if (ZKSplitLog.isRescanNode(watcher, path)) {
return;
}
Task task = findOrCreateOrphanTask(path);
if (task.isOrphan() && (task.incarnation == 0)) {
LOG.info("resubmitting unassigned orphan task " + path);
// ignore failure to resubmit. The timeout-monitor will handle it later
// albeit in a more crude fashion
resubmit(path, task, FORCE);
}
}
代码示例来源:origin: harbby/presto-connectors
/**
* It is possible for a task to stay in UNASSIGNED state indefinitely - say SplitLogManager wants
* to resubmit a task. It forces the task to UNASSIGNED state but it dies before it could create
* the RESCAN task node to signal the SplitLogWorkers to pick up the task. To prevent this
* scenario the SplitLogManager resubmits all orphan and UNASSIGNED tasks at startup.
* @param path
*/
private void handleUnassignedTask(String path) {
if (ZKSplitLog.isRescanNode(watcher, path)) {
return;
}
Task task = findOrCreateOrphanTask(path);
if (task.isOrphan() && (task.incarnation.get() == 0)) {
LOG.info("resubmitting unassigned orphan task " + path);
// ignore failure to resubmit. The timeout-monitor will handle it later
// albeit in a more crude fashion
resubmitTask(path, task, FORCE);
}
}
代码示例来源:origin: harbby/presto-connectors
private void lookForOrphans() {
List<String> orphans;
try {
orphans = ZKUtil.listChildrenNoWatch(this.watcher, this.watcher.splitLogZNode);
if (orphans == null) {
LOG.warn("could not get children of " + this.watcher.splitLogZNode);
return;
}
} catch (KeeperException e) {
LOG.warn("could not get children of " + this.watcher.splitLogZNode + " "
+ StringUtils.stringifyException(e));
return;
}
int rescan_nodes = 0;
int listSize = orphans.size();
for (int i = 0; i < listSize; i++) {
String path = orphans.get(i);
String nodepath = ZKUtil.joinZNode(watcher.splitLogZNode, path);
if (ZKSplitLog.isRescanNode(watcher, nodepath)) {
rescan_nodes++;
LOG.debug("found orphan rescan node " + path);
} else {
LOG.info("found orphan task " + path);
}
getDataSetWatch(nodepath, zkretries);
}
LOG.info("Found " + (orphans.size() - rescan_nodes) + " orphan tasks and " + rescan_nodes
+ " rescan nodes");
}
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