org.apache.hadoop.hbase.client

Class TestReplicaWithCluster.RegionServerHostingPrimayMetaRegionSlowOrStopCopro

java.lang.Object

org.apache.hadoop.hbase.client.TestReplicaWithCluster.RegionServerHostingPrimayMetaRegionSlowOrStopCopro

All Implemented Interfaces:

org.apache.hadoop.hbase.Coprocessor, org.apache.hadoop.hbase.coprocessor.RegionCoprocessor, org.apache.hadoop.hbase.coprocessor.RegionObserver

Enclosing class:

TestReplicaWithCluster

public static class TestReplicaWithCluster.RegionServerHostingPrimayMetaRegionSlowOrStopCopro
extends Object
implements org.apache.hadoop.hbase.coprocessor.RegionCoprocessor, org.apache.hadoop.hbase.coprocessor.RegionObserver

This copro is used to slow down the primary meta region scan a bit

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.hbase.Coprocessor

org.apache.hadoop.hbase.Coprocessor.State

Nested classes/interfaces inherited from interface org.apache.hadoop.hbase.coprocessor.RegionObserver

org.apache.hadoop.hbase.coprocessor.RegionObserver.MutationType

Field Summary

Fields

Modifier and Type	Field and Description
(package private) static boolean	slowDownPrimaryMetaScan
(package private) static boolean	throwException

Fields inherited from interface org.apache.hadoop.hbase.Coprocessor

PRIORITY_HIGHEST, PRIORITY_LOWEST, PRIORITY_SYSTEM, PRIORITY_USER, VERSION

Constructor Summary

Constructors

Constructor and Description
RegionServerHostingPrimayMetaRegionSlowOrStopCopro()

Method Summary

Modifier and Type	Method and Description
Optional<org.apache.hadoop.hbase.coprocessor.RegionObserver>	getRegionObserver()
void	preGetOp(org.apache.hadoop.hbase.coprocessor.ObserverContext<org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment> e, org.apache.hadoop.hbase.client.Get get, List<org.apache.hadoop.hbase.Cell> results)
void	preScannerOpen(org.apache.hadoop.hbase.coprocessor.ObserverContext<org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment> e, org.apache.hadoop.hbase.client.Scan scan)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.hadoop.hbase.coprocessor.RegionCoprocessor

getBulkLoadObserver, getEndpointObserver

Methods inherited from interface org.apache.hadoop.hbase.Coprocessor

getServices, start, stop

Methods inherited from interface org.apache.hadoop.hbase.coprocessor.RegionObserver

postAppend, postAppendBeforeWAL, postBatchMutate, postBatchMutateIndispensably, postBulkLoadHFile, postCheckAndDelete, postCheckAndDelete, postCheckAndPut, postCheckAndPut, postClose, postCloseRegionOperation, postCommitStoreFile, postCompact, postCompactSelection, postDelete, postExists, postFlush, postFlush, postGetOp, postIncrement, postIncrementBeforeWAL, postInstantiateDeleteTracker, postMemStoreCompaction, postMutationBeforeWAL, postOpen, postPut, postReplayWALs, postScannerClose, postScannerFilterRow, postScannerNext, postScannerOpen, postStartRegionOperation, postStoreFileReaderOpen, postWALRestore, preAppend, preAppendAfterRowLock, preBatchMutate, preBulkLoadHFile, preCheckAndDelete, preCheckAndDelete, preCheckAndDeleteAfterRowLock, preCheckAndDeleteAfterRowLock, preCheckAndPut, preCheckAndPut, preCheckAndPutAfterRowLock, preCheckAndPutAfterRowLock, preClose, preCommitStoreFile, preCompact, preCompactScannerOpen, preCompactSelection, preDelete, preExists, preFlush, preFlush, preFlushScannerOpen, preIncrement, preIncrementAfterRowLock, preMemStoreCompaction, preMemStoreCompactionCompact, preMemStoreCompactionCompactScannerOpen, preOpen, prePrepareTimeStampForDeleteVersion, prePut, preReplayWALs, preScannerClose, preScannerNext, preStoreFileReaderOpen, preStoreScannerOpen, preWALAppend, preWALRestore

Field Detail

slowDownPrimaryMetaScan

static boolean slowDownPrimaryMetaScan

throwException

static boolean throwException

Constructor Detail

RegionServerHostingPrimayMetaRegionSlowOrStopCopro

public RegionServerHostingPrimayMetaRegionSlowOrStopCopro()

Method Detail

getRegionObserver

public Optional<org.apache.hadoop.hbase.coprocessor.RegionObserver> getRegionObserver()

Specified by:

getRegionObserver in interface org.apache.hadoop.hbase.coprocessor.RegionCoprocessor

preGetOp

public void preGetOp(org.apache.hadoop.hbase.coprocessor.ObserverContext<org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment> e,
                     org.apache.hadoop.hbase.client.Get get,
                     List<org.apache.hadoop.hbase.Cell> results)
              throws IOException

Specified by:

preGetOp in interface org.apache.hadoop.hbase.coprocessor.RegionObserver

Throws:

IOException

preScannerOpen

public void preScannerOpen(org.apache.hadoop.hbase.coprocessor.ObserverContext<org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment> e,
                           org.apache.hadoop.hbase.client.Scan scan)
                    throws IOException

Specified by:

preScannerOpen in interface org.apache.hadoop.hbase.coprocessor.RegionObserver

Throws:

IOException