/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hdfs.util;
import org.apache.hadoop.util.InjectionEventI;
/**
* Enumeration of all injection events for hdfs.
* When defining new events, please PREFIX the name
* with the supervised class.
*
* Please see InjectionHandler.
*
* Please implement InjectionEventI for non-hdfs code (e.g., core)
*/
public enum InjectionEvent implements InjectionEventI {
JOURNALANDSTREAM_STARTLOGSEGMENT,
BKJM_STARTLOGSEGMENT,
BKJM_VALIDATELOGSEGMENT,
FSIMAGE_STARTING_SAVE_NAMESPACE,
FSIMAGE_CREATING_SAVER_THREADS,
FSIMAGE_STARTING_SAVER_THREAD,
FSIMAGE_SN_CLEANUP,
FSIMAGE_CANCEL_REQUEST_RECEIVED,
FSIMAGE_SAVED_IMAGE,
FSIMAGE_UPGRADE_BEFORE_SAVE_IMAGE,
FSIMAGE_UPGRADE_AFTER_SAVE_IMAGE,
FSIMAGE_ROLLBACK_DONE,
FSEDIT_LOG_WRITE_END_LOG_SEGMENT,
FSEDIT_AFTER_AUTOMATIC_ROLL,
FSNAMESYSTEM_CLOSE_DIRECTORY,
FSNAMESYSTEM_STOP_LEASEMANAGER,
FSNAMESYSTEM_ADDSTORED_BLOCK,
FSNAMESYSTEM_VERSION_REQUEST,
FSNAMESYSTEM_STOP_MONITOR,
FSNAMESYSTEM_INITIALBR_WORKER,
FSNAMESYSTEM_BLOCKREPORT_COMPLETED,
FSNAMESYSTEM_SKIP_LOCAL_DN_LOOKUP,
LEASEMANAGER_CHECKLEASES,
LEASEMANAGER_CHECKINTERRUPTION,
STANDBY_CANCELLED_EXCEPTION_THROWN,
STANDBY_FELL_BEHIND,
STANDBY_INSTANTIATE_INGEST,
STANDBY_QUIESCE_INGEST,
STANDBY_ENTER_CHECKPOINT,
STANDBY_EXIT_CHECKPOINT,
STANDBY_EXIT_CHECKPOINT_EXCEPTION,
STANDBY_EXIT_CHECKPOINT_FAILED_ROLL,
STANDBY_BEFORE_SAVE_NAMESPACE,
STANDBY_BEFORE_PUT_IMAGE,
STANDBY_BEFORE_ROLL_EDIT,
STANDBY_BEFORE_ROLL_IMAGE,
STANDBY_BEGIN_RUN,
STANDBY_EDITS_NOT_EXISTS,
STANDBY_CREATE_INGEST_RUNLOOP,
STANDBY_AFTER_DO_CHECKPOINT,
STANDBY_CHECKPOINT_TRIGGER,
STANDBY_VALIDATE_CREATE,
STANDBY_VALIDATE_CREATE_FAIL,
STANDBY_UPLOAD_CREATE,
STANDBY_UPLOAD_FAIL,
STANDBY_QUIESCE_INITIATED,
STANDBY_QUIESCE_INTERRUPT,
STANDBY_QUIESCE_INGEST_CKPT,
STANDBY_RECOVER_STATE,
STANDBY_JOURNAL_GETSTREAM,
STANDBY_FAILOVER_INPROGRESS,
STANDBY_SAFEMODE_CHECKMODE,
STANDBY_DELAY_CHECKPOINT,
INGEST_BEFORE_LOAD_EDIT,
INGEST_READ_OP,
INGEST_CLEAR_STANDBY_STATE,
INGEST_TXID_CHECK,
OFFERSERVICE_SCHEDULE_HEARTBEAT,
OFFERSERVICE_SCHEDULE_BR,
OFFERSERVICE_CLEAR_PRIMARY,
OFFERSERVICE_START,
OFFERSERVICE_BEFORE_REGISTRATION,
OFFERSERVICE_BEFORE_CLEARPRIMARY,
OFFERSERVICE_DNAFINALIZE,
OFFERSERVICE_PREPARE_FAILOVER,
OFFERSERVICE_BEFORE_INIT_PROXY2,
AVATARNODE_CHECKEDITSTREAMS,
AVATARNODE_SHUTDOWN,
AVATARNODE_SHUTDOWN_COMPLETE,
AVATARNODE_WAIT_FOR_RESTART,
AVATARNODE_BLOCKRECEIVED_AND_DELETED_NEW,
AVATARNODE_RECEIVED_DATA_TRANSFER_VERSION,
AVATARDATANODE_BEFORE_START_OFFERSERVICE1,
AVATARDATANODE_BEFORE_START_OFFERSERVICE2,
AVATARDATANODE_START_OFFERSERVICE1,
AVATARDATANODE_START_OFFERSERVICE2,
TRANSFERFSIMAGE_GETFILESERVER0,
TRANSFERFSIMAGE_GETFILESERVER1,
TRANSFERFSIMAGE_GETFILESERVER2,
TRANSFERFSIMAGE_GETFILESERVER3,
SECONDARYNAMENODE_CHECKPOINT0,
SECONDARYNAMENODE_CHECKPOINT1,
AVATARXEIVER_RUNTIME_FAILURE,
DATAXEIVER_SERVER_PRE_ACCEPT,
NAMENODE_AFTER_CREATE_FILE,
NAMENODE_STOP_RPC,
NAMENODE_VERIFY_CHECKPOINTER,
NAMENODE_GET_BLOCKS_TOTAL,
NAMENODE_FSCK_START,
NAMENODE_RECONFIG_HFTP,
FAILOVERCLIENTPROTOCOL_AFTER_CREATE_FILE,
AVATARZK_GET_REGISTRATION_TIME,
CACHINGAVATARZK_GET_PRIMARY_ADDRESS,
DAFS_CHECK_FAILOVER,
IMAGE_LOADER_CURRENT_START,
IMAGE_LOADER_CURRENT_INTERRUPT,
SAVE_NAMESPACE_CONTEXT_EXCEPTION,
STANDBY_ENTER_SAFE_MODE,
BLOCKPLACEMENTPOLICYRAID_CACHED_PATH,
BLOCKPLACEMENTPOLICYRAID_CACHED_BLOCKS,
RAID_ENCODING_SKIP_PATH,
RAID_ENCODING_SKIP_PATH_TOO_NEW_MOD,
RAID_ENCODING_PARTIAL_STRIPE_ENCODED,
RAID_ENCODING_FAILURE_PARTIAL_PARITY_SIZE_MISMATCH,
RAID_ENCODING_FAILURE_BLOCK_MISSING,
RAID_ENCODING_FAILURE_PUT_CHECKSUM,
RAID_ENCODING_FAILURE_RENAME_FILE,
RAID_ENCODING_FAILURE_CONCAT_FILE,
RAID_ENCODING_FAILURE_GET_SRC_STRIPES,
RAID_ENCODING_FAILURE_PUT_STRIPE,
RAID_HTTPSERVER_TIMEOUT,
RAID_SEND_RECOVERY_TIME,
DFSCLIENT_START_FETCH_FROM_DATANODE,
SERVERLOGREADER_UPDATE,
SERVERLOGREADER_READOP,
DFSCLIENT_READBUFFER_BEFORE,
DFSCLIENT_READBUFFER_AFTER,
DFSCLIENT_DATASTREAM_AFTER_WAIT,
DFSCLIENT_GET_LOCATED_BLOCKS,
DFSCLIENT_DATASTREAM_BEFORE_WRITE,
DFSCLIENT_BEFORE_ADD_DEADNODES,
DFSCLIENT_BEFORE_BEST_NODE,
DFSCLIENT_BLOCK_RENEWAL_DONE,
DFSCLIENT_BLOCK_RENEWAL_EXCEPTION,
DFSCLIENT_FINGERPRINT_MISMATCH,
READ_BLOCK_HEAD_BEFORE_WRITE,
BLOCK_READ_LOCAL_GET_PATH_INFO,
DATANODE_APPEND_BLOCK,
DATANODE_WRITE_BLOCK,
DATANODE_READ_BLOCK,
DATANODE_SKIP_NATIVE_OPERATION,
DATANODE_PROCESS_RAID_TASK,
DATANODE_BEFORE_RECOVERBLOCK,
DIRECTORY_SCANNER_NOT_STARTED,
DIRECTORY_SCANNER_BEFORE_FILE_SCAN,
DIRECTORY_SCANNER_AFTER_FILE_SCAN,
DIRECTORY_SCANNER_AFTER_DIFF,
DIRECTORY_SCANNER_FINISHED,
QJM_JOURNALNODE_JOURNAL,
QJM_JOURNALNODE_STARTSEGMENT,
QJM_JOURNALNODE_RECOVERY_COMPLETED,
QJM_URLLOGEDITLOGSTREAM_NEXTOP,
JOURNAL_STORAGE_FORMAT,
UPLOADIMAGESERVLET_START,
UPLOADIMAGESERVLET_RESUME,
UPLOADIMAGESERVLET_COMPLETE,
}