本文整理汇总了Java中org.apache.hadoop.hbase.master.MasterCoprocessorHost.preDeleteTableHandler方法的典型用法代码示例。如果您正苦于以下问题：Java MasterCoprocessorHost.preDeleteTableHandler方法的具体用法？Java MasterCoprocessorHost.preDeleteTableHandler怎么用？Java MasterCoprocessorHost.preDeleteTableHandler使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.hbase.master.MasterCoprocessorHost的用法示例。
在下文中一共展示了MasterCoprocessorHost.preDeleteTableHandler方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: handleTableOperation
import org.apache.hadoop.hbase.master.MasterCoprocessorHost; //导入方法依赖的package包/类
@Override
protected void handleTableOperation(List<HRegionInfo> regions)
throws IOException, CoordinatedStateException {
MasterCoprocessorHost cpHost = ((HMaster) this.server).getMasterCoprocessorHost();
if (cpHost != null) {
cpHost.preDeleteTableHandler(this.tableName);
}
// 1. Wait because of region in transition
waitRegionInTransition(regions);
try {
// 2. Remove table from hbase:meta and HDFS
removeTableData(regions);
} finally {
// 3. Update table descriptor cache
LOG.debug("Removing '" + tableName + "' descriptor.");
this.masterServices.getTableDescriptors().remove(tableName);
AssignmentManager am = this.masterServices.getAssignmentManager();
// 4. Clean up regions of the table in RegionStates.
LOG.debug("Removing '" + tableName + "' from region states.");
am.getRegionStates().tableDeleted(tableName);
// 5. If entry for this table in zk, and up in AssignmentManager, remove it.
LOG.debug("Marking '" + tableName + "' as deleted.");
am.getTableStateManager().setDeletedTable(tableName);
// 6.Clean any remaining rows for this table.
cleanAnyRemainingRows();
}
if (cpHost != null) {
cpHost.postDeleteTableHandler(this.tableName);
}
}
示例2: handleTableOperation
import org.apache.hadoop.hbase.master.MasterCoprocessorHost; //导入方法依赖的package包/类
@Override
protected void handleTableOperation(List<HRegionInfo> regions)
throws IOException, CoordinatedStateException {
MasterCoprocessorHost cpHost = ((HMaster) this.server).getMasterCoprocessorHost();
if (cpHost != null) {
cpHost.preDeleteTableHandler(this.tableName);
}
// 1. Wait because of region in transition
waitRegionInTransition(regions);
try {
// 2. Remove table from .META. and HDFS
removeTableData(regions);
} finally {
// 3. Update table descriptor cache
LOG.debug("Removing '" + tableName + "' descriptor.");
this.masterServices.getTableDescriptors().remove(tableName);
AssignmentManager am = this.masterServices.getAssignmentManager();
// 4. Clean up regions of the table in RegionStates.
LOG.debug("Removing '" + tableName + "' from region states.");
am.getRegionStates().tableDeleted(tableName);
// 5. If entry for this table in zk, and up in AssignmentManager, remove it.
LOG.debug("Marking '" + tableName + "' as deleted.");
am.getTableStateManager().setDeletedTable(tableName);
}
if (cpHost != null) {
cpHost.postDeleteTableHandler(this.tableName);
}
}
示例3: handleTableOperation
import org.apache.hadoop.hbase.master.MasterCoprocessorHost; //导入方法依赖的package包/类
@Override
protected void handleTableOperation(List<HRegionInfo> regions)
throws IOException, KeeperException {
MasterCoprocessorHost cpHost = ((HMaster) this.server)
.getCoprocessorHost();
if (cpHost != null) {
cpHost.preDeleteTableHandler(this.tableName);
}
// 1. Wait because of region in transition
AssignmentManager am = this.masterServices.getAssignmentManager();
RegionStates states = am.getRegionStates();
long waitTime = server.getConfiguration().
getLong("hbase.master.wait.on.region", 5 * 60 * 1000);
for (HRegionInfo region : regions) {
long done = System.currentTimeMillis() + waitTime;
while (System.currentTimeMillis() < done) {
if (states.isRegionInState(region, State.FAILED_OPEN)) {
am.regionOffline(region);
}
if (!states.isRegionInTransition(region)) break;
Threads.sleep(waitingTimeForEvents);
LOG.debug("Waiting on region to clear regions in transition; "
+ am.getRegionStates().getRegionTransitionState(region));
}
if (states.isRegionInTransition(region)) {
throw new IOException("Waited hbase.master.wait.on.region (" +
waitTime + "ms) for region to leave region " +
region.getRegionNameAsString() + " in transitions");
}
}
// 2. Remove regions from META
LOG.debug("Deleting regions from META");
MetaEditor.deleteRegions(this.server.getCatalogTracker(), regions);
// 3. Move the table in /hbase/.tmp
MasterFileSystem mfs = this.masterServices.getMasterFileSystem();
Path tempTableDir = mfs.moveTableToTemp(tableName);
try {
// 4. Delete regions from FS (temp directory)
FileSystem fs = mfs.getFileSystem();
for (HRegionInfo hri: regions) {
LOG.debug("Archiving region " + hri.getRegionNameAsString() + " from FS");
HFileArchiver.archiveRegion(fs, mfs.getRootDir(),
tempTableDir, new Path(tempTableDir, hri.getEncodedName()));
}
// 5. Delete table from FS (temp directory)
if (!fs.delete(tempTableDir, true)) {
LOG.error("Couldn't delete " + tempTableDir);
}
LOG.debug("Table '" + tableName + "' archived!");
} finally {
// 6. Update table descriptor cache
LOG.debug("Removing '" + tableName + "' descriptor.");
this.masterServices.getTableDescriptors().remove(tableName);
// 7. Clean up regions of the table in RegionStates.
LOG.debug("Removing '" + tableName + "' from region states.");
states.tableDeleted(tableName);
// 8. If entry for this table in zk, and up in AssignmentManager, remove it.
LOG.debug("Marking '" + tableName + "' as deleted.");
am.getZKTable().setDeletedTable(tableName);
}
if (cpHost != null) {
cpHost.postDeleteTableHandler(this.tableName);
}
}
示例4: handleTableOperation
import org.apache.hadoop.hbase.master.MasterCoprocessorHost; //导入方法依赖的package包/类
@Override
protected void handleTableOperation(List<HRegionInfo> regions)
throws IOException, KeeperException {
MasterCoprocessorHost cpHost = ((HMaster) this.server)
.getCoprocessorHost();
if (cpHost != null) {
cpHost.preDeleteTableHandler(this.tableName);
}
// 1. Wait because of region in transition
AssignmentManager am = this.masterServices.getAssignmentManager();
RegionStates states = am.getRegionStates();
long waitTime = server.getConfiguration().
getLong("hbase.master.wait.on.region", 5 * 60 * 1000);
for (HRegionInfo region : regions) {
long done = System.currentTimeMillis() + waitTime;
while (System.currentTimeMillis() < done) {
if (states.isRegionInState(region, State.FAILED_OPEN)) {
am.regionOffline(region);
}
if (!states.isRegionInTransition(region)) break;
Threads.sleep(waitingTimeForEvents);
LOG.debug("Waiting on region to clear regions in transition; "
+ am.getRegionStates().getRegionTransitionState(region));
}
if (states.isRegionInTransition(region)) {
throw new IOException("Waited hbase.master.wait.on.region (" +
waitTime + "ms) for region to leave region " +
region.getRegionNameAsString() + " in transitions");
}
}
// 2. Remove regions from META
LOG.debug("Deleting regions from META");
MetaEditor.deleteRegions(this.server.getCatalogTracker(), regions);
// 3. Move the table in /hbase/.tmp
MasterFileSystem mfs = this.masterServices.getMasterFileSystem();
Path tempTableDir = mfs.moveTableToTemp(tableName);
try {
// 4. Delete regions from FS (temp directory)
FileSystem fs = mfs.getFileSystem();
for (HRegionInfo hri: regions) {
LOG.debug("Archiving region " + hri.getRegionNameAsString() + " from FS");
HFileArchiver.archiveRegion(fs, mfs.getRootDir(),
tempTableDir, new Path(tempTableDir, hri.getEncodedName()));
}
// 5. Delete table from FS (temp directory)
if (!fs.delete(tempTableDir, true)) {
LOG.error("Couldn't delete " + tempTableDir);
}
LOG.debug("Table '" + tableName + "' archived!");
} finally {
// 6. Update table descriptor cache
LOG.debug("Removing '" + tableName + "' descriptor.");
this.masterServices.getTableDescriptors().remove(tableName);
// 7. If entry for this table in zk, and up in AssignmentManager, remove it.
LOG.debug("Marking '" + tableName + "' as deleted.");
am.getZKTable().setDeletedTable(tableName);
}
if (cpHost != null) {
cpHost.postDeleteTableHandler(this.tableName);
}
}
示例5: handleTableOperation
import org.apache.hadoop.hbase.master.MasterCoprocessorHost; //导入方法依赖的package包/类
@Override
protected void handleTableOperation(List<HRegionInfo> regions)
throws IOException, KeeperException {
MasterCoprocessorHost cpHost = ((HMaster) this.server)
.getCoprocessorHost();
if (cpHost != null) {
cpHost.preDeleteTableHandler(this.tableName);
}
AssignmentManager am = this.masterServices.getAssignmentManager();
long waitTime = server.getConfiguration().
getLong("hbase.master.wait.on.region", 5 * 60 * 1000);
for (HRegionInfo region : regions) {
long done = System.currentTimeMillis() + waitTime;
while (System.currentTimeMillis() < done) {
if (!am.getRegionStates().isRegionInTransition(region)) break;
Threads.sleep(waitingTimeForEvents);
LOG.debug("Waiting on region to clear regions in transition; "
+ am.getRegionStates().getRegionTransitionState(region));
}
if (am.getRegionStates().isRegionInTransition(region)) {
throw new IOException("Waited hbase.master.wait.on.region (" +
waitTime + "ms) for region to leave region " +
region.getRegionNameAsString() + " in transitions");
}
LOG.debug("Deleting region " + region.getRegionNameAsString() +
" from META and FS");
// Remove region from META
MetaEditor.deleteRegion(this.server.getCatalogTracker(), region);
// Delete region from FS
this.masterServices.getMasterFileSystem().deleteRegion(region);
}
// Delete table from FS
this.masterServices.getMasterFileSystem().deleteTable(tableName);
// Update table descriptor cache
this.masterServices.getTableDescriptors().remove(Bytes.toString(tableName));
// If entry for this table in zk, and up in AssignmentManager, remove it.
am.getZKTable().setDeletedTable(Bytes.toString(tableName));
if (cpHost != null) {
cpHost.postDeleteTableHandler(this.tableName);
}
}
示例6: handleTableOperation
import org.apache.hadoop.hbase.master.MasterCoprocessorHost; //导入方法依赖的package包/类
@Override
protected void handleTableOperation(List<HRegionInfo> regions)
throws IOException, KeeperException {
MasterCoprocessorHost cpHost = ((HMaster) this.server).getCoprocessorHost();
if (cpHost != null) {
cpHost.preDeleteTableHandler(this.tableName);
}
// 1. Wait because of region in transition
AssignmentManager am = this.masterServices.getAssignmentManager();
long waitTime = server.getConfiguration().
getLong("hbase.master.wait.on.region", 5 * 60 * 1000);
for (HRegionInfo region : regions) {
long done = System.currentTimeMillis() + waitTime;
while (System.currentTimeMillis() < done) {
AssignmentManager.RegionState rs = am.isRegionInTransition(region);
if (rs == null) break;
Threads.sleep(waitingTimeForEvents);
LOG.debug("Waiting on region to clear regions in transition; " + rs);
}
if (am.isRegionInTransition(region) != null) {
throw new IOException("Waited hbase.master.wait.on.region (" +
waitTime + "ms) for region to leave region " +
region.getRegionNameAsString() + " in transitions");
}
}
// 2. Remove regions from META
LOG.debug("Deleting regions from META");
MetaEditor.deleteRegions(this.server.getCatalogTracker(), regions);
// 3. Move the table in /hbase/.tmp
LOG.debug("Moving table directory to a temp directory");
MasterFileSystem mfs = this.masterServices.getMasterFileSystem();
Path tempTableDir = mfs.moveTableToTemp(tableName);
try {
// 4. Delete regions from FS (temp directory)
FileSystem fs = mfs.getFileSystem();
for (HRegionInfo hri: regions) {
LOG.debug("Archiving region " + hri.getRegionNameAsString() + " from FS");
HFileArchiver.archiveRegion(fs, mfs.getRootDir(),
tempTableDir, new Path(tempTableDir, hri.getEncodedName()));
}
// 5. Delete table from FS (temp directory)
if (!HBaseFileSystem.deleteDirFromFileSystem(fs, tempTableDir)) {
LOG.error("Couldn't delete " + tempTableDir);
}
} finally {
// 6. Update table descriptor cache
this.masterServices.getTableDescriptors().remove(Bytes.toString(tableName));
// 7. If entry for this table in zk, and up in AssignmentManager, remove it.
am.getZKTable().setDeletedTable(Bytes.toString(tableName));
if (cpHost != null) {
cpHost.postDeleteTableHandler(this.tableName);
}
}
}