Constant Field Values (Hadoop 1.2.1 API)
Date: 2013-07-22

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# Constant Field Values

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- org.apache.*

org.apache.*

org.apache.hadoop.contrib.failmon.Environment
`public static final int` | `DEFAULT_LOG_INTERVAL` | `3600`
`public static final int` | `DEFAULT_POLL_INTERVAL` | `360`
`public static final int` | `MAX_OUTPUT_LENGTH` | `51200`

org.apache.hadoop.contrib.failmon.Executor
`public static final int` | `DEFAULT_LOG_INTERVAL` | `3600`
`public static final int` | `DEFAULT_POLL_INTERVAL` | `360`

org.apache.hadoop.contrib.failmon.LocalStore
`public static final String` | `COMPRESSION_SUFFIX` | `".zip"`
`public static final char` | `FIELD_SEPARATOR` | `124`
`public static final char` | `RECORD_SEPARATOR` | `10`
`public static final int` | `UPLOAD_INTERVAL` | `600`

org.apache.hadoop.filecache.DistributedCache
`public static final String` | `CACHE_ARCHIVES` | `"mapred.cache.archives"`
`public static final String` | `CACHE_ARCHIVES_SIZES` | `"mapred.cache.archives.filesizes"`
`public static final String` | `CACHE_ARCHIVES_TIMESTAMPS` | `"mapred.cache.archives.timestamps"`
`public static final String` | `CACHE_FILES` | `"mapred.cache.files"`
`public static final String` | `CACHE_FILES_SIZES` | `"mapred.cache.files.filesizes"`
`public static final String` | `CACHE_FILES_TIMESTAMPS` | `"mapred.cache.files.timestamps"`
`public static final String` | `CACHE_LOCALARCHIVES` | `"mapred.cache.localArchives"`
`public static final String` | `CACHE_LOCALFILES` | `"mapred.cache.localFiles"`
`public static final String` | `CACHE_SYMLINK` | `"mapred.create.symlink"`

org.apache.hadoop.fs.CommonConfigurationKeys
`public static final boolean` | `DEFAULT_HADOOP_JETTY_LOGS_SERVE_ALIASES` | `true`
`public static final String` | `FS_DEFAULT_NAME_DEFAULT` | `"file:///"`
`public static final String` | `FS_DEFAULT_NAME_KEY` | `"fs.default.name"`
`public static final String` | `HADOOP_JETTY_LOGS_SERVE_ALIASES` | `"hadoop.jetty.logs.serve.aliases"`
`public static final boolean` | `HADOOP_RELAXED_VERSION_CHECK_DEFAULT` | `false`
`public static final String` | `HADOOP_RELAXED_VERSION_CHECK_KEY` | `"hadoop.relaxed.worker.version.check"`
`public static final String` | `HADOOP_SECURITY_AUTHENTICATION` | `"hadoop.security.authentication"`
`public static final String` | `HADOOP_SECURITY_AUTHORIZATION` | `"hadoop.security.authorization"`
`public static final String` | `HADOOP_SECURITY_GROUP_MAPPING` | `"hadoop.security.group.mapping"`
`public static final String` | `HADOOP_SECURITY_INSTRUMENTATION_REQUIRES_ADMIN` | `"hadoop.security.instrumentation.requires.admin"`
`public static final String` | `HADOOP_SECURITY_SERVICE_USER_NAME_KEY` | `"hadoop.security.service.user.name.key"`
`public static final String` | `HADOOP_SECURITY_TOKEN_SERVICE_USE_IP` | `"hadoop.security.token.service.use_ip"`
`public static final boolean` | `HADOOP_SECURITY_TOKEN_SERVICE_USE_IP_DEFAULT` | `true`
`public static final boolean` | `HADOOP_SECURITY_USE_WEAK_HTTP_CRYPTO_DEFAULT` | `false`
`public static final String` | `HADOOP_SECURITY_USE_WEAK_HTTP_CRYPTO_KEY` | `"hadoop.security.use-weak-http-crypto"`
`public static final boolean` | `HADOOP_SKIP_VERSION_CHECK_DEFAULT` | `false`
`public static final String` | `HADOOP_SKIP_VERSION_CHECK_KEY` | `"hadoop.skip.worker.version.check"`
`public static final int` | `IO_COMPRESSION_CODEC_SNAPPY_BUFFERSIZE_DEFAULT` | `262144`
`public static final String` | `IO_COMPRESSION_CODEC_SNAPPY_BUFFERSIZE_KEY` | `"io.compression.codec.snappy.buffersize"`
`public static final boolean` | `IO_NATIVE_LIB_AVAILABLE_DEFAULT` | `true`
`public static final String` | `IO_NATIVE_LIB_AVAILABLE_KEY` | `"hadoop.native.lib"`
`public static final boolean` | `IPC_CLIENT_FALLBACK_TO_SIMPLE_AUTH_ALLOWED_DEFAULT` | `false`
`public static final String` | `IPC_CLIENT_FALLBACK_TO_SIMPLE_AUTH_ALLOWED_KEY` | `"ipc.client.fallback-to-simple-auth-allowed"`
`public static final int` | `IPC_SERVER_RPC_READ_THREADS_DEFAULT` | `1`
`public static final String` | `IPC_SERVER_RPC_READ_THREADS_KEY` | `"ipc.server.read.threadpool.size"`

org.apache.hadoop.fs.DF
`public static final long` | `DF_INTERVAL_DEFAULT` | `3000L`

org.apache.hadoop.fs.FileSystem
`public static final String` | `FS_DEFAULT_NAME_KEY` | `"fs.default.name"`

org.apache.hadoop.fs.HarFileSystem
`public static final int` | `VERSION` | `3`

org.apache.hadoop.fs.LocalDirAllocator
`public static final int` | `SIZE_UNKNOWN` | `-1`

org.apache.hadoop.fs.MD5MD5CRC32FileChecksum
`public static final int` | `LENGTH` | `28`

org.apache.hadoop.fs.Path
`public static final String` | `CUR_DIR` | `"."`
`public static final String` | `SEPARATOR` | `"/"`
`public static final char` | `SEPARATOR_CHAR` | `47`

org.apache.hadoop.fs.ftp.FTPFileSystem
`public static final int` | `DEFAULT_BLOCK_SIZE` | `4096`
`public static final int` | `DEFAULT_BUFFER_SIZE` | `1048576`

org.apache.hadoop.fs.permission.FsPermission
`public static final int` | `DEFAULT_UMASK` | `18`
`public static final String` | `DEPRECATED_UMASK_LABEL` | `"dfs.umask"`
`public static final String` | `UMASK_LABEL` | `"dfs.umaskmode"`

org.apache.hadoop.fs.shell.Count
`public static final String` | `NAME` | `"count"`
`public static final String` | `USAGE` | `"-count[-q] <path>"`

org.apache.hadoop.http.HttpServer
`public static final String` | `CONF_CONTEXT_ATTRIBUTE` | `"hadoop.conf"`
`public static final String` | `KRB5_FILTER` | `"krb5Filter"`
`public static final String` | `SPNEGO_FILTER` | `"SpnegoFilter"`

org.apache.hadoop.io.BloomMapFile
`public static final String` | `BLOOM_FILE_NAME` | `"bloom"`
`public static final int` | `HASH_COUNT` | `5`

org.apache.hadoop.io.MapFile
`public static final String` | `DATA_FILE_NAME` | `"data"`
`public static final String` | `INDEX_FILE_NAME` | `"index"`

org.apache.hadoop.io.MD5Hash
`public static final int` | `MD5_LEN` | `16`

org.apache.hadoop.io.SequenceFile
`public static final int` | `SYNC_INTERVAL` | `2000`

org.apache.hadoop.io.compress.bzip2.BZip2Constants
`public static final int` | `baseBlockSize` | `100000`
`public static final int` | `END_OF_BLOCK` | `-2`
`public static final int` | `END_OF_STREAM` | `-1`
`public static final int` | `G_SIZE` | `50`
`public static final int` | `MAX_ALPHA_SIZE` | `258`
`public static final int` | `MAX_CODE_LEN` | `23`
`public static final int` | `MAX_SELECTORS` | `18002`
`public static final int` | `N_GROUPS` | `6`
`public static final int` | `N_ITERS` | `4`
`public static final int` | `NUM_OVERSHOOT_BYTES` | `20`
`public static final int` | `RUNA` | `0`
`public static final int` | `RUNB` | `1`

org.apache.hadoop.io.compress.bzip2.CBZip2InputStream
`public static final long` | `BLOCK_DELIMITER` | `54156738319193L`
`public static final long` | `EOS_DELIMITER` | `25779555029136L`

org.apache.hadoop.io.compress.bzip2.CBZip2OutputStream
`protected static final int` | `CLEARMASK` | `-2097153`
`protected static final int` | `DEPTH_THRESH` | `10`
`protected static final int` | `GREATER_ICOST` | `15`
`protected static final int` | `LESSER_ICOST` | `0`
`public static final int` | `MAX_BLOCKSIZE` | `9`
`public static final int` | `MIN_BLOCKSIZE` | `1`
`protected static final int` | `QSORT_STACK_SIZE` | `1000`
`protected static final int` | `SETMASK` | `2097152`
`protected static final int` | `SMALL_THRESH` | `20`
`protected static final int` | `WORK_FACTOR` | `30`

org.apache.hadoop.io.file.tfile.TFile
`public static final String` | `COMPARATOR_JCLASS` | `"jclass:"`
`public static final String` | `COMPARATOR_MEMCMP` | `"memcmp"`
`public static final String` | `COMPRESSION_GZ` | `"gz"`
`public static final String` | `COMPRESSION_LZO` | `"lzo"`
`public static final String` | `COMPRESSION_NONE` | `"none"`

org.apache.hadoop.io.nativeio.NativeIO
`public static final int` | `O_APPEND` | `1024`
`public static final int` | `O_ASYNC` | `8192`
`public static final int` | `O_CREAT` | `64`
`public static final int` | `O_EXCL` | `128`
`public static final int` | `O_FSYNC` | `4096`
`public static final int` | `O_NDELAY` | `2048`
`public static final int` | `O_NOCTTY` | `256`
`public static final int` | `O_NONBLOCK` | `2048`
`public static final int` | `O_RDONLY` | `0`
`public static final int` | `O_RDWR` | `2`
`public static final int` | `O_SYNC` | `4096`
`public static final int` | `O_TRUNC` | `512`
`public static final int` | `O_WRONLY` | `1`
`public static final int` | `POSIX_FADV_DONTNEED` | `4`
`public static final int` | `POSIX_FADV_NOREUSE` | `5`
`public static final int` | `POSIX_FADV_NORMAL` | `0`
`public static final int` | `POSIX_FADV_RANDOM` | `1`
`public static final int` | `POSIX_FADV_SEQUENTIAL` | `2`
`public static final int` | `POSIX_FADV_WILLNEED` | `3`
`public static final int` | `SYNC_FILE_RANGE_WAIT_AFTER` | `4`
`public static final int` | `SYNC_FILE_RANGE_WAIT_BEFORE` | `1`
`public static final int` | `SYNC_FILE_RANGE_WRITE` | `2`

org.apache.hadoop.io.nativeio.NativeIO.Stat
`public static final int` | `S_IFBLK` | `24576`
`public static final int` | `S_IFCHR` | `8192`
`public static final int` | `S_IFDIR` | `16384`
`public static final int` | `S_IFIFO` | `4096`
`public static final int` | `S_IFLNK` | `40960`
`public static final int` | `S_IFMT` | `61440`
`public static final int` | `S_IFREG` | `32768`
`public static final int` | `S_IFSOCK` | `49152`
`public static final int` | `S_IFWHT` | `57344`
`public static final int` | `S_IRUSR` | `256`
`public static final int` | `S_ISGID` | `1024`
`public static final int` | `S_ISUID` | `2048`
`public static final int` | `S_ISVTX` | `512`
`public static final int` | `S_IWUSR` | `128`
`public static final int` | `S_IXUSR` | `64`

org.apache.hadoop.ipc.Client
`public static final int` | `IPC_CLIENT_CONNECT_MAX_RETRIES_DEFAULT` | `10`
`public static final String` | `IPC_CLIENT_CONNECT_MAX_RETRIES_KEY` | `"ipc.client.connect.max.retries"`

org.apache.hadoop.ipc.Server
`public static final byte` | `CURRENT_VERSION` | `4`

org.apache.hadoop.mapred.AdminOperationsProtocol
`public static final long` | `versionID` | `3L`

org.apache.hadoop.mapred.ClusterStatus
`public static final long` | `UNINITIALIZED_MEMORY_VALUE` | `-1L`

org.apache.hadoop.mapred.FileOutputCommitter
`public static final String` | `SUCCEEDED_FILE_NAME` | `"_SUCCESS"`
`public static final String` | `TEMP_DIR_NAME` | `"_temporary"`

org.apache.hadoop.mapred.JobClient
`public static final long` | `COUNTER_UPDATE_INTERVAL` | `60000L`
`public static final long` | `DEFAULT_DISK_HEALTH_CHECK_INTERVAL` | `60000L`
`public static final int` | `FILE_NOT_FOUND` | `-1`
`public static final String` | `FOR_REDUCE_TASK` | `"for-reduce-task"`
`public static final String` | `FROM_MAP_TASK` | `"from-map-task"`
`public static final int` | `HEARTBEAT_INTERVAL_MIN` | `300`
`public static final String` | `MAP_OUTPUT_LENGTH` | `"Map-Output-Length"`
`public static final boolean` | `MAPREDUCE_CLIENT_RETRY_POLICY_ENABLED_DEFAULT` | `false`
`public static final String` | `MAPREDUCE_CLIENT_RETRY_POLICY_ENABLED_KEY` | `"mapreduce.jobclient.retry.policy.enabled"`
`public static final String` | `MAPREDUCE_CLIENT_RETRY_POLICY_SPEC_DEFAULT` | `"10000,6,60000,10"`
`public static final String` | `MAPREDUCE_CLIENT_RETRY_POLICY_SPEC_KEY` | `"mapreduce.jobclient.retry.policy.spec"`
`public static final String` | `RAW_MAP_OUTPUT_LENGTH` | `"Raw-Map-Output-Length"`
`public static final int` | `SUCCESS` | `0`
`public static final String` | `WORKDIR` | `"work"`

org.apache.hadoop.mapred.JobConf
`public static final String` | `DEFAULT_MAPRED_TASK_JAVA_OPTS` | `"-Xmx200m"`
`public static final boolean` | `DEFAULT_MAPREDUCE_RECOVER_JOB` | `true`
`public static final String` | `DEFAULT_QUEUE_NAME` | `"default"`
`public static final long` | `DISABLED_MEMORY_LIMIT` | `-1L`
`public static final String` | `MAPRED_JOB_MAP_MEMORY_MB_PROPERTY` | `"mapred.job.map.memory.mb"`
`public static final String` | `MAPRED_JOB_REDUCE_MEMORY_MB_PROPERTY` | `"mapred.job.reduce.memory.mb"`
`public static final String` | `MAPRED_LOCAL_DIR_PROPERTY` | `"mapred.local.dir"`
`public static final String` | `MAPRED_MAP_TASK_ENV` | `"mapred.map.child.env"`
`public static final String` | `MAPRED_MAP_TASK_JAVA_OPTS` | `"mapred.map.child.java.opts"`
`public static final String` | `MAPRED_MAP_TASK_ULIMIT` | `"mapred.map.child.ulimit"`
`public static final String` | `MAPRED_REDUCE_TASK_ENV` | `"mapred.reduce.child.env"`
`public static final String` | `MAPRED_REDUCE_TASK_JAVA_OPTS` | `"mapred.reduce.child.java.opts"`
`public static final String` | `MAPRED_REDUCE_TASK_ULIMIT` | `"mapred.reduce.child.ulimit"`
`public static final String` | `MAPRED_TASK_DEFAULT_MAXVMEM_PROPERTY` | `"mapred.task.default.maxvmem"`
`public static final String` | `MAPRED_TASK_ENV` | `"mapred.child.env"`
`public static final String` | `MAPRED_TASK_JAVA_OPTS` | `"mapred.child.java.opts"`
`public static final String` | `MAPRED_TASK_MAXPMEM_PROPERTY` | `"mapred.task.maxpmem"`
`public static final String` | `MAPRED_TASK_MAXVMEM_PROPERTY` | `"mapred.task.maxvmem"`
`public static final String` | `MAPRED_TASK_ULIMIT` | `"mapred.child.ulimit"`
`public static final String` | `MAPREDUCE_RECOVER_JOB` | `"mapreduce.job.restart.recover"`
`public static final String` | `UPPER_LIMIT_ON_TASK_VMEM_PROPERTY` | `"mapred.task.limit.maxvmem"`
`public static final String` | `WORKFLOW_ADJACENCY_PREFIX_PATTERN` | `"^mapreduce\\.workflow\\.adjacency\\..+"`
`public static final String` | `WORKFLOW_ADJACENCY_PREFIX_STRING` | `"mapreduce.workflow.adjacency."`
`public static final String` | `WORKFLOW_ID` | `"mapreduce.workflow.id"`
`public static final String` | `WORKFLOW_NAME` | `"mapreduce.workflow.name"`
`public static final String` | `WORKFLOW_NODE_NAME` | `"mapreduce.workflow.node.name"`
`public static final String` | `WORKFLOW_TAGS` | `"mapreduce.workflow.tags"`

org.apache.hadoop.mapred.JobEndNotifier
`public static final int` | `MAPREDUCE_JOBEND_NOTIFICATION_TIMEOUT_DEFAULT` | `5000`

org.apache.hadoop.mapred.JobHistory
`public static final int` | `JOB_NAME_TRIM_LENGTH` | `50`

org.apache.hadoop.mapred.JobHistoryServer
`public static final String` | `MAPRED_HISTORY_SERVER_EMBEDDED` | `"mapreduce.history.server.embedded"`
`public static final String` | `MAPRED_HISTORY_SERVER_HTTP_ADDRESS` | `"mapreduce.history.server.http.address"`

org.apache.hadoop.mapred.JobLocalizer
`protected static final String` | `JOB_LOCAL_CTXT` | `"mapred.job.local.dir"`

org.apache.hadoop.mapred.JobStatus
`public static final int` | `FAILED` | `3`
`public static final int` | `KILLED` | `5`
`public static final int` | `PREP` | `4`
`public static final int` | `RUNNING` | `1`
`public static final int` | `SUCCEEDED` | `2`

org.apache.hadoop.mapred.JobTracker
`public static final long` | `COUNTER_UPDATE_INTERVAL` | `60000L`
`public static final long` | `DEFAULT_DISK_HEALTH_CHECK_INTERVAL` | `60000L`
`public static final long` | `DELEGATION_KEY_UPDATE_INTERVAL_DEFAULT` | `86400000L`
`public static final String` | `DELEGATION_KEY_UPDATE_INTERVAL_KEY` | `"mapreduce.cluster.delegation.key.update-interval"`
`public static final long` | `DELEGATION_TOKEN_MAX_LIFETIME_DEFAULT` | `604800000L`
`public static final String` | `DELEGATION_TOKEN_MAX_LIFETIME_KEY` | `"mapreduce.cluster.delegation.token.max-lifetime"`
`public static final long` | `DELEGATION_TOKEN_RENEW_INTERVAL_DEFAULT` | `86400000L`
`public static final String` | `DELEGATION_TOKEN_RENEW_INTERVAL_KEY` | `"mapreduce.cluster.delegation.token.renew-interval"`
`public static final int` | `FILE_NOT_FOUND` | `-1`
`public static final String` | `FOR_REDUCE_TASK` | `"for-reduce-task"`
`public static final String` | `FROM_MAP_TASK` | `"from-map-task"`
`public static final int` | `HEARTBEAT_INTERVAL_MIN` | `300`
`public static final String` | `JT_KEYTAB_FILE` | `"mapreduce.jobtracker.keytab.file"`
`public static final String` | `JT_USER_NAME` | `"mapreduce.jobtracker.kerberos.principal"`
`public static final String` | `MAP_OUTPUT_LENGTH` | `"Map-Output-Length"`
`public static final String` | `MAPRED_CLUSTER_MAP_MEMORY_MB_PROPERTY` | `"mapred.cluster.map.memory.mb"`
`public static final String` | `MAPRED_CLUSTER_MAX_MAP_MEMORY_MB_PROPERTY` | `"mapred.cluster.max.map.memory.mb"`
`public static final String` | `MAPRED_CLUSTER_MAX_REDUCE_MEMORY_MB_PROPERTY` | `"mapred.cluster.max.reduce.memory.mb"`
`public static final String` | `MAPRED_CLUSTER_REDUCE_MEMORY_MB_PROPERTY` | `"mapred.cluster.reduce.memory.mb"`
`public static final String` | `MAX_USER_JOBCONF_SIZE_KEY` | `"mapred.user.jobconf.limit"`
`public static final String` | `RAW_MAP_OUTPUT_LENGTH` | `"Raw-Map-Output-Length"`
`public static final int` | `SUCCESS` | `0`
`public static final int` | `TRACKERS_OK` | `0`
`public static final int` | `UNKNOWN_TASKTRACKER` | `1`
`public static final long` | `versionID` | `31L`
`public static final long` | `versionID` | `28L`
`public static final String` | `WORKDIR` | `"work"`

org.apache.hadoop.mapred.LocalJobRunner
`public static final String` | `LOCAL_MAX_MAPS` | `"mapreduce.local.map.tasks.maximum"`
`public static final long` | `versionID` | `28L`

org.apache.hadoop.mapred.SequenceFileInputFilter.MD5Filter
`public static final int` | `MD5_LEN` | `16`

org.apache.hadoop.mapred.SkipBadRecords
`public static final String` | `COUNTER_GROUP` | `"SkippingTaskCounters"`
`public static final String` | `COUNTER_MAP_PROCESSED_RECORDS` | `"MapProcessedRecords"`
`public static final String` | `COUNTER_REDUCE_PROCESSED_GROUPS` | `"ReduceProcessedGroups"`

org.apache.hadoop.mapred.Task
`public static final long` | `DEFAULT_MR_COMBINE_RECORDS_BEFORE_PROGRESS` | `10000L`
`protected static final String` | `FILESYSTEM_COUNTER_GROUP` | `"FileSystemCounters"`
`public static final String` | `MR_COMBINE_RECORDS_BEFORE_PROGRESS` | `"mapred.combine.recordsBeforeProgress"`
`public static final int` | `PROGRESS_INTERVAL` | `3000`

org.apache.hadoop.mapred.TaskController
`protected static final String` | `COMMAND_FILE` | `"taskjvm.sh"`

org.apache.hadoop.mapred.TaskGraphServlet
`public static final int` | `height` | `200`
`public static final int` | `width` | `600`
`public static final int` | `xmargin` | `80`
`public static final int` | `ymargin` | `20`

org.apache.hadoop.mapred.TaskTracker
`public static final long` | `COUNTER_UPDATE_INTERVAL` | `60000L`
`public static final long` | `DEFAULT_DISK_HEALTH_CHECK_INTERVAL` | `60000L`
`public static final int` | `FILE_NOT_FOUND` | `-1`
`public static final String` | `FOR_REDUCE_TASK` | `"for-reduce-task"`
`public static final String` | `FROM_MAP_TASK` | `"from-map-task"`
`public static final int` | `HEARTBEAT_INTERVAL_MIN` | `300`
`public static final String` | `MAP_OUTPUT_LENGTH` | `"Map-Output-Length"`
`public static final String` | `MR_CLIENTTRACE_FORMAT` | `"src: %s, dest: %s, bytes: %s, op: %s, cliID: %s, duration: %s"`
`public static final String` | `RAW_MAP_OUTPUT_LENGTH` | `"Raw-Map-Output-Length"`
`public static final String` | `SUBDIR` | `"taskTracker"`
`public static final int` | `SUCCESS` | `0`
`public static final String` | `TT_KEYTAB_FILE` | `"mapreduce.tasktracker.keytab.file"`
`public static final String` | `TT_LOG_TMP_DIR` | `"tt_log_tmp"`
`public static final String` | `TT_RESOURCE_CALCULATOR_PLUGIN` | `"mapreduce.tasktracker.resourcecalculatorplugin"`
`public static final String` | `TT_USER_NAME` | `"mapreduce.tasktracker.kerberos.principal"`
`public static final String` | `WORKDIR` | `"work"`

org.apache.hadoop.mapred.TaskTrackerStatus
`public static final int` | `UNAVAILABLE` | `-1`

org.apache.hadoop.mapred.TaskUmbilicalProtocol
`public static final long` | `versionID` | `19L`

org.apache.hadoop.mapred.jobcontrol.Job
`public static final int` | `DEPENDENT_FAILED` | `5`
`public static final int` | `FAILED` | `4`
`public static final int` | `READY` | `3`
`public static final int` | `RUNNING` | `2`
`public static final int` | `SUCCESS` | `0`
`public static final int` | `WAITING` | `1`

org.apache.hadoop.mapred.lib.TotalOrderPartitioner<K extends WritableComparable,V>
`public static final String` | `DEFAULT_PATH` | `"_partition.lst"`

org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor
`public static final String` | `DOUBLE_VALUE_SUM` | `"DoubleValueSum"`
`public static final String` | `LONG_VALUE_MAX` | `"LongValueMax"`
`public static final String` | `LONG_VALUE_MIN` | `"LongValueMin"`
`public static final String` | `LONG_VALUE_SUM` | `"LongValueSum"`
`public static final String` | `STRING_VALUE_MAX` | `"StringValueMax"`
`public static final String` | `STRING_VALUE_MIN` | `"StringValueMin"`
`public static final String` | `UNIQ_VALUE_COUNT` | `"UniqValueCount"`
`public static final String` | `VALUE_HISTOGRAM` | `"ValueHistogram"`

org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorDescriptor
`public static final String` | `TYPE_SEPARATOR` | `":"`

org.apache.hadoop.mapred.lib.db.DBConfiguration
`public static final String` | `DRIVER_CLASS_PROPERTY` | `"mapred.jdbc.driver.class"`
`public static final String` | `INPUT_CLASS_PROPERTY` | `"mapred.jdbc.input.class"`
`public static final String` | `INPUT_CONDITIONS_PROPERTY` | `"mapred.jdbc.input.conditions"`
`public static final String` | `INPUT_COUNT_QUERY` | `"mapred.jdbc.input.count.query"`
`public static final String` | `INPUT_FIELD_NAMES_PROPERTY` | `"mapred.jdbc.input.field.names"`
`public static final String` | `INPUT_ORDER_BY_PROPERTY` | `"mapred.jdbc.input.orderby"`
`public static final String` | `INPUT_QUERY` | `"mapred.jdbc.input.query"`
`public static final String` | `INPUT_TABLE_NAME_PROPERTY` | `"mapred.jdbc.input.table.name"`
`public static final String` | `OUTPUT_FIELD_NAMES_PROPERTY` | `"mapred.jdbc.output.field.names"`
`public static final String` | `OUTPUT_TABLE_NAME_PROPERTY` | `"mapred.jdbc.output.table.name"`
`public static final String` | `PASSWORD_PROPERTY` | `"mapred.jdbc.password"`
`public static final String` | `URL_PROPERTY` | `"mapred.jdbc.url"`
`public static final String` | `USERNAME_PROPERTY` | `"mapred.jdbc.username"`

org.apache.hadoop.mapreduce.ID
`protected static final char` | `SEPARATOR` | `95`

org.apache.hadoop.mapreduce.JobContext
`public static final String` | `CACHE_ARCHIVES_VISIBILITIES` | `"mapreduce.job.cache.archives.visibilities"`
`public static final String` | `CACHE_FILE_VISIBILITIES` | `"mapreduce.job.cache.files.visibilities"`
`protected static final String` | `COMBINE_CLASS_ATTR` | `"mapreduce.combine.class"`
`protected static final String` | `INPUT_FORMAT_CLASS_ATTR` | `"mapreduce.inputformat.class"`
`public static final String` | `JOB_ACL_MODIFY_JOB` | `"mapreduce.job.acl-modify-job"`
`public static final String` | `JOB_ACL_VIEW_JOB` | `"mapreduce.job.acl-view-job"`
`public static final String` | `JOB_CANCEL_DELEGATION_TOKEN` | `"mapreduce.job.complete.cancel.delegation.tokens"`
`public static final String` | `JOB_NAMENODES` | `"mapreduce.job.hdfs-servers"`
`protected static final String` | `MAP_CLASS_ATTR` | `"mapreduce.map.class"`
`protected static final String` | `OUTPUT_FORMAT_CLASS_ATTR` | `"mapreduce.outputformat.class"`
`protected static final String` | `PARTITIONER_CLASS_ATTR` | `"mapreduce.partitioner.class"`
`protected static final String` | `REDUCE_CLASS_ATTR` | `"mapreduce.reduce.class"`
`public static final String` | `USER_LOG_RETAIN_HOURS` | `"mapred.userlog.retain.hours"`

org.apache.hadoop.mapreduce.JobID
`protected static final String` | `JOB` | `"job"`
`public static final String` | `JOBID_REGEX` | `"job_[0-9]+_[0-9]+"`

org.apache.hadoop.mapreduce.TaskAttemptID
`protected static final String` | `ATTEMPT` | `"attempt"`

org.apache.hadoop.mapreduce.TaskID
`protected static final String` | `TASK` | `"task"`

org.apache.hadoop.mapreduce.lib.db.DataDrivenDBInputFormat<T extends DBWritable>
`public static final String` | `SUBSTITUTE_TOKEN` | `"$CONDITIONS"`

org.apache.hadoop.mapreduce.lib.db.DBConfiguration
`public static final String` | `DRIVER_CLASS_PROPERTY` | `"mapreduce.jdbc.driver.class"`
`public static final String` | `INPUT_BOUNDING_QUERY` | `"mapred.jdbc.input.bounding.query"`
`public static final String` | `INPUT_CLASS_PROPERTY` | `"mapreduce.jdbc.input.class"`
`public static final String` | `INPUT_CONDITIONS_PROPERTY` | `"mapreduce.jdbc.input.conditions"`
`public static final String` | `INPUT_COUNT_QUERY` | `"mapreduce.jdbc.input.count.query"`
`public static final String` | `INPUT_FIELD_NAMES_PROPERTY` | `"mapreduce.jdbc.input.field.names"`
`public static final String` | `INPUT_ORDER_BY_PROPERTY` | `"mapreduce.jdbc.input.orderby"`
`public static final String` | `INPUT_QUERY` | `"mapreduce.jdbc.input.query"`
`public static final String` | `INPUT_TABLE_NAME_PROPERTY` | `"mapreduce.jdbc.input.table.name"`
`public static final String` | `OUTPUT_FIELD_COUNT_PROPERTY` | `"mapreduce.jdbc.output.field.count"`
`public static final String` | `OUTPUT_FIELD_NAMES_PROPERTY` | `"mapreduce.jdbc.output.field.names"`
`public static final String` | `OUTPUT_TABLE_NAME_PROPERTY` | `"mapreduce.jdbc.output.table.name"`
`public static final String` | `PASSWORD_PROPERTY` | `"mapreduce.jdbc.password"`
`public static final String` | `URL_PROPERTY` | `"mapreduce.jdbc.url"`
`public static final String` | `USERNAME_PROPERTY` | `"mapreduce.jdbc.username"`

org.apache.hadoop.mapreduce.lib.db.OracleDBRecordReader<T extends DBWritable>
`public static final String` | `SESSION_TIMEZONE_KEY` | `"oracle.sessionTimeZone"`

org.apache.hadoop.mapreduce.lib.fieldsel.FieldSelectionHelper
`public static final String` | `DATA_FIELD_SEPERATOR` | `"mapreduce.fieldsel.data.field.separator"`
`public static final String` | `MAP_OUTPUT_KEY_VALUE_SPEC` | `"mapreduce.fieldsel.map.output.key.value.fields.spec"`
`public static final String` | `REDUCE_OUTPUT_KEY_VALUE_SPEC` | `"mapreduce.fieldsel.reduce.output.key.value.fields.spec"`

org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat<K,V>
`public static final String` | `SPLIT_MINSIZE_PERNODE` | `"mapreduce.input.fileinputformat.split.minsize.per.node"`
`public static final String` | `SPLIT_MINSIZE_PERRACK` | `"mapreduce.input.fileinputformat.split.minsize.per.rack"`

org.apache.hadoop.mapreduce.lib.input.KeyValueLineRecordReader
`public static final String` | `KEY_VALUE_SEPERATOR` | `"mapreduce.input.keyvaluelinerecordreader.key.value.separator"`

org.apache.hadoop.mapreduce.lib.input.MultipleInputs
`public static final String` | `DIR_FORMATS` | `"mapreduce.input.multipleinputs.dir.formats"`
`public static final String` | `DIR_MAPPERS` | `"mapreduce.input.multipleinputs.dir.mappers"`

org.apache.hadoop.mapreduce.lib.input.NLineInputFormat
`public static final String` | `LINES_PER_MAP` | `"mapreduce.input.lineinputformat.linespermap"`

org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFilter<K,V>
`public static final String` | `FILTER_CLASS` | `"mapreduce.input.sequencefileinputfilter.class"`
`public static final String` | `FILTER_FREQUENCY` | `"mapreduce.input.sequencefileinputfilter.frequency"`
`public static final String` | `FILTER_REGEX` | `"mapreduce.input.sequencefileinputfilter.regex"`

org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFilter.MD5Filter
`public static final int` | `MD5_LEN` | `16`

org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob
`public static final String` | `CREATE_DIR` | `"mapreduce.jobcontrol.createdir.ifnotexist"`

org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
`public static final String` | `SUCCEEDED_FILE_NAME` | `"_SUCCESS"`
`protected static final String` | `TEMP_DIR_NAME` | `"_temporary"`

org.apache.hadoop.mapreduce.lib.output.FileOutputFormat<K,V>
`protected static final String` | `BASE_OUTPUT_NAME` | `"mapreduce.output.basename"`
`protected static final String` | `PART` | `"part"`

org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner<K extends WritableComparable<?>,V>
`public static final String` | `DEFAULT_PATH` | `"_partition.lst"`
`public static final String` | `MAX_TRIE_DEPTH` | `"mapreduce.totalorderpartitioner.trie.maxdepth"`
`public static final String` | `NATURAL_ORDER` | `"mapreduce.totalorderpartitioner.naturalorder"`
`public static final String` | `PARTITIONER_PATH` | `"mapreduce.totalorderpartitioner.path"`

org.apache.hadoop.mapreduce.security.SecureShuffleUtils
`public static final String` | `HTTP_HEADER_REPLY_URL_HASH` | `"ReplyHash"`
`public static final String` | `HTTP_HEADER_URL_HASH` | `"UrlHash"`

org.apache.hadoop.mapreduce.security.TokenCache
`public static final String` | `JOB_TOKEN_HDFS_FILE` | `"jobToken"`
`public static final String` | `JOB_TOKENS_FILENAME` | `"mapreduce.job.jobTokenFile"`

org.apache.hadoop.mapreduce.security.token.DelegationTokenRenewal
`public static final String` | `SCHEME` | `"hdfs"`

org.apache.hadoop.metrics.MetricsContext
`public static final int` | `DEFAULT_PERIOD` | `5`

org.apache.hadoop.metrics.file.FileContext
`protected static final String` | `FILE_NAME_PROPERTY` | `"fileName"`
`protected static final String` | `PERIOD_PROPERTY` | `"period"`

org.apache.hadoop.metrics.spi.MetricValue
`public static final boolean` | `ABSOLUTE` | `false`
`public static final boolean` | `INCREMENT` | `true`

org.apache.hadoop.metrics.util.MetricsBase
`public static final String` | `NO_DESCRIPTION` | `"NoDescription"`

org.apache.hadoop.metrics2.Metric
`public static final String` | `NO_DESCRIPTION` | `"<<no description>>"`

org.apache.hadoop.metrics2.filter.GlobFilter
`protected static final String` | `EXCLUDE_KEY` | `"exclude"`
`protected static final String` | `EXCLUDE_TAGS_KEY` | `"exclude.tags"`
`protected static final String` | `INCLUDE_KEY` | `"include"`
`protected static final String` | `INCLUDE_TAGS_KEY` | `"include.tags"`

org.apache.hadoop.metrics2.filter.RegexFilter
`protected static final String` | `EXCLUDE_KEY` | `"exclude"`
`protected static final String` | `EXCLUDE_TAGS_KEY` | `"exclude.tags"`
`protected static final String` | `INCLUDE_KEY` | `"include"`
`protected static final String` | `INCLUDE_TAGS_KEY` | `"include.tags"`

org.apache.hadoop.metrics2.impl.MetricsRecordImpl
`protected static final String` | `CONTEXT_KEY` | `"context"`
`protected static final String` | `DEFAULT_CONTEXT` | `"default"`

org.apache.hadoop.metrics2.lib.MetricsRegistry
`public static final String` | `CONTEXT_DESC` | `"Metrics context"`
`public static final String` | `CONTEXT_KEY` | `"context"`

org.apache.hadoop.metrics2.sink.ganglia.AbstractGangliaSink
`public static final int` | `BUFFER_SIZE` | `1500`
`public static final int` | `DEFAULT_DMAX` | `0`
`public static final int` | `DEFAULT_PORT` | `8649`
`public static final int` | `DEFAULT_TMAX` | `60`
`public static final String` | `DEFAULT_UNITS` | `""`
`public static final String` | `EQUAL` | `"="`
`public static final String` | `SERVERS_PROPERTY` | `"servers"`
`public static final boolean` | `SUPPORT_SPARSE_METRICS_DEFAULT` | `false`
`public static final String` | `SUPPORT_SPARSE_METRICS_PROPERTY` | `"supportsparse"`

org.apache.hadoop.net.NetworkTopology
`public static final int` | `DEFAULT_HOST_LEVEL` | `2`
`public static final String` | `DEFAULT_RACK` | `"/default-rack"`

org.apache.hadoop.net.NetworkTopologyWithNodeGroup
`public static final String` | `DEFAULT_NODEGROUP` | `"/default-nodegroup"`

org.apache.hadoop.net.NodeBase
`public static final char` | `PATH_SEPARATOR` | `47`
`public static final String` | `PATH_SEPARATOR_STR` | `"/"`
`public static final String` | `ROOT` | `""`

org.apache.hadoop.record.compiler.Consts
`public static final String` | `RECORD_INPUT` | `"_rio_a"`
`public static final String` | `RECORD_OUTPUT` | `"_rio_a"`
`public static final String` | `RIO_PREFIX` | `"_rio_"`
`public static final String` | `RTI_FILTER` | `"_rio_rtiFilter"`
`public static final String` | `RTI_FILTER_FIELDS` | `"_rio_rtiFilterFields"`
`public static final String` | `RTI_VAR` | `"_rio_recTypeInfo"`
`public static final String` | `TAG` | `"_rio_tag"`

org.apache.hadoop.record.compiler.generated.RccConstants
`public static final int` | `BOOLEAN_TKN` | `15`
`public static final int` | `BUFFER_TKN` | `21`
`public static final int` | `BYTE_TKN` | `14`
`public static final int` | `COMMA_TKN` | `29`
`public static final int` | `CSTRING_TKN` | `31`
`public static final int` | `DEFAULT` | `0`
`public static final int` | `DOT_TKN` | `30`
`public static final int` | `DOUBLE_TKN` | `19`
`public static final int` | `EOF` | `0`
`public static final int` | `FLOAT_TKN` | `18`
`public static final int` | `GT_TKN` | `27`
`public static final int` | `IDENT_TKN` | `32`
`public static final int` | `INCLUDE_TKN` | `13`
`public static final int` | `INT_TKN` | `16`
`public static final int` | `LBRACE_TKN` | `24`
`public static final int` | `LONG_TKN` | `17`
`public static final int` | `LT_TKN` | `26`
`public static final int` | `MAP_TKN` | `23`
`public static final int` | `MODULE_TKN` | `11`
`public static final int` | `RBRACE_TKN` | `25`
`public static final int` | `RECORD_TKN` | `12`
`public static final int` | `SEMICOLON_TKN` | `28`
`public static final int` | `USTRING_TKN` | `20`
`public static final int` | `VECTOR_TKN` | `22`
`public static final int` | `WithinMultiLineComment` | `2`
`public static final int` | `WithinOneLineComment` | `1`

org.apache.hadoop.record.compiler.generated.SimpleCharStream
`public static final boolean` | `staticFlag` | `false`

org.apache.hadoop.record.meta.TypeID.RIOType
`public static final byte` | `BOOL` | `1`
`public static final byte` | `BUFFER` | `2`
`public static final byte` | `BYTE` | `3`
`public static final byte` | `DOUBLE` | `4`
`public static final byte` | `FLOAT` | `5`
`public static final byte` | `INT` | `6`
`public static final byte` | `LONG` | `7`
`public static final byte` | `MAP` | `8`
`public static final byte` | `STRING` | `9`
`public static final byte` | `STRUCT` | `10`
`public static final byte` | `VECTOR` | `11`

org.apache.hadoop.security.RefreshUserMappingsProtocol
`public static final long` | `versionID` | `1L`

org.apache.hadoop.security.SaslRpcServer
`public static final String` | `SASL_DEFAULT_REALM` | `"default"`
`public static final int` | `SWITCH_TO_SIMPLE_AUTH` | `-88`

org.apache.hadoop.security.SecurityUtil
`public static final String` | `HOSTNAME_PATTERN` | `"_HOST"`

org.apache.hadoop.security.UserGroupInformation
`public static final String` | `HADOOP_TOKEN_FILE_LOCATION` | `"HADOOP_TOKEN_FILE_LOCATION"`

org.apache.hadoop.security.authentication.client.AuthenticatedURL
`public static final String` | `AUTH_COOKIE` | `"hadoop.auth"`

org.apache.hadoop.security.authentication.client.KerberosAuthenticator
`public static final String` | `AUTHORIZATION` | `"Authorization"`
`public static final String` | `NEGOTIATE` | `"Negotiate"`
`public static final String` | `WWW_AUTHENTICATE` | `"WWW-Authenticate"`

org.apache.hadoop.security.authentication.client.PseudoAuthenticator
`public static final String` | `USER_NAME` | `"user.name"`

org.apache.hadoop.security.authentication.server.AuthenticationFilter
`public static final String` | `AUTH_TOKEN_VALIDITY` | `"token.validity"`
`public static final String` | `AUTH_TYPE` | `"type"`
`public static final String` | `CONFIG_PREFIX` | `"config.prefix"`
`public static final String` | `COOKIE_DOMAIN` | `"cookie.domain"`
`public static final String` | `COOKIE_PATH` | `"cookie.path"`
`public static final String` | `SIGNATURE_SECRET` | `"signature.secret"`

org.apache.hadoop.security.authentication.server.KerberosAuthenticationHandler
`public static final String` | `KEYTAB` | `"kerberos.keytab"`
`public static final String` | `NAME_RULES` | `"kerberos.name.rules"`
`public static final String` | `PRINCIPAL` | `"kerberos.principal"`
`public static final String` | `TYPE` | `"kerberos"`

org.apache.hadoop.security.authentication.server.PseudoAuthenticationHandler
`public static final String` | `ANONYMOUS_ALLOWED` | `"simple.anonymous.allowed"`
`public static final String` | `TYPE` | `"simple"`

org.apache.hadoop.security.authorize.AccessControlList
`public static final String` | `WILDCARD_ACL_VALUE` | `"*"`

org.apache.hadoop.security.authorize.PolicyProvider
`public static final String` | `POLICY_PROVIDER_CONFIG` | `"hadoop.security.authorization.policyprovider"`

org.apache.hadoop.security.authorize.ProxyUsers
`public static final String` | `CONF_GROUPS` | `".groups"`
`public static final String` | `CONF_HADOOP_PROXYUSER` | `"hadoop.proxyuser."`
`public static final String` | `CONF_HADOOP_PROXYUSER_RE` | `"hadoop\\.proxyuser\\."`

org.apache.hadoop.security.authorize.RefreshAuthorizationPolicyProtocol
`public static final long` | `versionID` | `1L`

org.apache.hadoop.security.authorize.ServiceAuthorizationManager
`public static final String` | `SERVICE_AUTHORIZATION_CONFIG` | `"hadoop.security.authorization"`

org.apache.hadoop.streaming.StreamJob
`protected static final String` | `LINK_URI` | `"You need to specify the uris as hdfs://host:port/#linkname,Please specify a different link name for all of your caching URIs"`

org.apache.hadoop.streaming.io.IdentifierResolver
`public static final String` | `RAW_BYTES_ID` | `"rawbytes"`
`public static final String` | `TEXT_ID` | `"text"`
`public static final String` | `TYPED_BYTES_ID` | `"typedbytes"`

org.apache.hadoop.util.DataChecksum
`public static final int` | `CHECKSUM_CRC32` | `1`
`public static final int` | `CHECKSUM_NULL` | `0`
`public static final int` | `HEADER_LEN` | `5`
`public static final int` | `SIZE_OF_INTEGER` | `4`

org.apache.hadoop.util.Shell
`public static final String` | `SET_GROUP_COMMAND` | `"chgrp"`
`public static final String` | `SET_OWNER_COMMAND` | `"chown"`
`public static final String` | `SET_PERMISSION_COMMAND` | `"chmod"`
`public static final String` | `ULIMIT_COMMAND` | `"ulimit"`
`public static final String` | `USER_NAME_COMMAND` | `"whoami"`

org.apache.hadoop.util.StringUtils
`public static final char` | `COMMA` | `44`
`public static final String` | `COMMA_STR` | `","`
`public static final char` | `ESCAPE_CHAR` | `92`

org.apache.hadoop.util.bloom.RemoveScheme
`public static final short` | `MAXIMUM_FP` | `2`
`public static final short` | `MINIMUM_FN` | `1`
`public static final short` | `RANDOM` | `0`
`public static final short` | `RATIO` | `3`

org.apache.hadoop.util.hash.Hash
`public static final int` | `INVALID_HASH` | `-1`
`public static final int` | `JENKINS_HASH` | `0`
`public static final int` | `MURMUR_HASH` | `1`

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