MetricKey (Alluxio Parent 2.6.2 API)

java.lang.Object
- alluxio.metrics.MetricKey

All Implemented Interfaces:

Comparable<MetricKey>
```
@ThreadSafe
public final class MetricKey
extends Object
implements Comparable<MetricKey>
```
Metric keys. This class provides a set of pre-defined Alluxio metric keys.

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

static class MetricKey.Builder
Builder to create MetricKey instances.

Nested Classes
Modifier and Type	Class and Description
`static class`	`MetricKey.Builder` Builder to create `MetricKey` instances.

Field Summary

Fields
Modifier and Type	Field and Description
`static MetricKey`	`CLIENT_BLOCK_READ_CHUNK_REMOTE`
`static MetricKey`	`CLIENT_BYTES_READ_LOCAL`
`static MetricKey`	`CLIENT_BYTES_READ_LOCAL_THROUGHPUT`
`static MetricKey`	`CLIENT_BYTES_WRITTEN_LOCAL`
`static MetricKey`	`CLIENT_BYTES_WRITTEN_LOCAL_THROUGHPUT`
`static MetricKey`	`CLIENT_BYTES_WRITTEN_UFS`
`static MetricKey`	`CLIENT_CACHE_BYTES_EVICTED`
`static MetricKey`	`CLIENT_CACHE_BYTES_READ_CACHE`
`static MetricKey`	`CLIENT_CACHE_BYTES_READ_EXTERNAL`
`static MetricKey`	`CLIENT_CACHE_BYTES_REQUESTED_EXTERNAL`
`static MetricKey`	`CLIENT_CACHE_BYTES_WRITTEN_CACHE`
`static MetricKey`	`CLIENT_CACHE_CLEAN_ERRORS`
`static MetricKey`	`CLIENT_CACHE_CLEANUP_GET_ERRORS`
`static MetricKey`	`CLIENT_CACHE_CLEANUP_PUT_ERRORS`
`static MetricKey`	`CLIENT_CACHE_CREATE_ERRORS`
`static MetricKey`	`CLIENT_CACHE_DELETE_ERRORS`
`static MetricKey`	`CLIENT_CACHE_DELETE_FROM_STORE_ERRORS`
`static MetricKey`	`CLIENT_CACHE_DELETE_NON_EXISTING_PAGE_ERRORS`
`static MetricKey`	`CLIENT_CACHE_DELETE_NOT_READY_ERRORS`
`static MetricKey`	`CLIENT_CACHE_GET_ERRORS`
`static MetricKey`	`CLIENT_CACHE_GET_NOT_READY_ERRORS`
`static MetricKey`	`CLIENT_CACHE_GET_STORE_READ_ERRORS`
`static MetricKey`	`CLIENT_CACHE_HIT_RATE`
`static MetricKey`	`CLIENT_CACHE_PAGE_READ_CACHE_TIME_NS`
`static MetricKey`	`CLIENT_CACHE_PAGE_READ_EXTERNAL_TIME_NS`
`static MetricKey`	`CLIENT_CACHE_PAGES`
`static MetricKey`	`CLIENT_CACHE_PAGES_EVICTED`
`static MetricKey`	`CLIENT_CACHE_PUT_ASYNC_REJECTION_ERRORS`
`static MetricKey`	`CLIENT_CACHE_PUT_BENIGN_RACING_ERRORS`
`static MetricKey`	`CLIENT_CACHE_PUT_ERRORS`
`static MetricKey`	`CLIENT_CACHE_PUT_EVICTION_ERRORS`
`static MetricKey`	`CLIENT_CACHE_PUT_INSUFFICIENT_SPACE_ERRORS`
`static MetricKey`	`CLIENT_CACHE_PUT_NOT_READY_ERRORS`
`static MetricKey`	`CLIENT_CACHE_PUT_STORE_DELETE_ERRORS`
`static MetricKey`	`CLIENT_CACHE_PUT_STORE_WRITE_ERRORS`
`static MetricKey`	`CLIENT_CACHE_PUT_STORE_WRITE_NO_SPACE_ERRORS`
`static MetricKey`	`CLIENT_CACHE_SHADOW_CACHE_BYTES`
`static MetricKey`	`CLIENT_CACHE_SHADOW_CACHE_BYTES_HIT`
`static MetricKey`	`CLIENT_CACHE_SHADOW_CACHE_BYTES_READ`
`static MetricKey`	`CLIENT_CACHE_SHADOW_CACHE_FALSE_POSITIVE_RATIO`
`static MetricKey`	`CLIENT_CACHE_SHADOW_CACHE_PAGES`
`static MetricKey`	`CLIENT_CACHE_SHADOW_CACHE_PAGES_HIT`
`static MetricKey`	`CLIENT_CACHE_SHADOW_CACHE_PAGES_READ`
`static MetricKey`	`CLIENT_CACHE_SPACE_AVAILABLE`
`static MetricKey`	`CLIENT_CACHE_SPACE_USED`
`static MetricKey`	`CLIENT_CACHE_SPACE_USED_COUNT`
`static MetricKey`	`CLIENT_CACHE_STATE`
`static MetricKey`	`CLIENT_CACHE_STORE_DELETE_TIMEOUT`
`static MetricKey`	`CLIENT_CACHE_STORE_GET_TIMEOUT`
`static MetricKey`	`CLIENT_CACHE_STORE_PUT_TIMEOUT`
`static MetricKey`	`CLIENT_CACHE_STORE_THREADS_REJECTED`
`static MetricKey`	`CLIENT_META_DATA_CACHE_SIZE`
`static MetricKey`	`CLUSTER_ACTIVE_RPC_READ_COUNT`
`static MetricKey`	`CLUSTER_ACTIVE_RPC_WRITE_COUNT`
`static MetricKey`	`CLUSTER_BYTES_READ_DIRECT`
`static MetricKey`	`CLUSTER_BYTES_READ_DIRECT_THROUGHPUT`
`static MetricKey`	`CLUSTER_BYTES_READ_DOMAIN`
`static MetricKey`	`CLUSTER_BYTES_READ_DOMAIN_THROUGHPUT`
`static MetricKey`	`CLUSTER_BYTES_READ_LOCAL`
`static MetricKey`	`CLUSTER_BYTES_READ_LOCAL_THROUGHPUT`
`static MetricKey`	`CLUSTER_BYTES_READ_REMOTE`
`static MetricKey`	`CLUSTER_BYTES_READ_REMOTE_THROUGHPUT`
`static MetricKey`	`CLUSTER_BYTES_READ_UFS`
`static MetricKey`	`CLUSTER_BYTES_READ_UFS_ALL`
`static MetricKey`	`CLUSTER_BYTES_READ_UFS_THROUGHPUT`
`static MetricKey`	`CLUSTER_BYTES_WRITTEN_DOMAIN`
`static MetricKey`	`CLUSTER_BYTES_WRITTEN_DOMAIN_THROUGHPUT`
`static MetricKey`	`CLUSTER_BYTES_WRITTEN_LOCAL`
`static MetricKey`	`CLUSTER_BYTES_WRITTEN_LOCAL_THROUGHPUT`
`static MetricKey`	`CLUSTER_BYTES_WRITTEN_REMOTE`
`static MetricKey`	`CLUSTER_BYTES_WRITTEN_REMOTE_THROUGHPUT`
`static MetricKey`	`CLUSTER_BYTES_WRITTEN_UFS`
`static MetricKey`	`CLUSTER_BYTES_WRITTEN_UFS_ALL`
`static MetricKey`	`CLUSTER_BYTES_WRITTEN_UFS_THROUGHPUT`
`static MetricKey`	`CLUSTER_CACHE_HIT_RATE`
`static MetricKey`	`CLUSTER_CAPACITY_FREE`
`static MetricKey`	`CLUSTER_CAPACITY_TOTAL`
`static MetricKey`	`CLUSTER_CAPACITY_USED`
`static MetricKey`	`CLUSTER_LOST_WORKERS`
`static MetricKey`	`CLUSTER_ROOT_UFS_CAPACITY_FREE`
`static MetricKey`	`CLUSTER_ROOT_UFS_CAPACITY_TOTAL`
`static MetricKey`	`CLUSTER_ROOT_UFS_CAPACITY_USED`
`static MetricKey`	`CLUSTER_WORKERS`
`static MetricKey`	`FUSE_BYTES_READ`
`static MetricKey`	`FUSE_BYTES_TO_READ`
`static MetricKey`	`FUSE_CACHED_PATH_COUNT`
`static MetricKey`	`FUSE_READING_FILE_COUNT`
`static MetricKey`	`FUSE_WRITING_FILE_COUNT`
`static MetricKey`	`INFO_TIME_EXCEEDED`
`static MetricKey`	`MASTER_ABSENT_CACHE_HITS`
`static MetricKey`	`MASTER_ABSENT_CACHE_MISSES`
`static MetricKey`	`MASTER_ABSENT_CACHE_SIZE`
`static MetricKey`	`MASTER_BLOCK_HEAP_SIZE`
`static MetricKey`	`MASTER_COMPLETE_FILE_OPS`
`static MetricKey`	`MASTER_CREATE_DIRECTORIES_OPS`
`static MetricKey`	`MASTER_CREATE_FILES_OPS`
`static MetricKey`	`MASTER_DELETE_PATHS_OPS`
`static MetricKey`	`MASTER_DIRECTORIES_CREATED`
`static MetricKey`	`MASTER_EDGE_CACHE_EVICTIONS`
`static MetricKey`	`MASTER_EDGE_CACHE_HITS`
`static MetricKey`	`MASTER_EDGE_CACHE_LOAD_TIMES`
`static MetricKey`	`MASTER_EDGE_CACHE_MISSES`
`static MetricKey`	`MASTER_EDGE_CACHE_SIZE`
`static MetricKey`	`MASTER_EDGE_LOCK_POOL_SIZE`
`static MetricKey`	`MASTER_EMBEDDED_JOURNAL_SNAPSHOT_DOWNLOAD_TIMER`
`static MetricKey`	`MASTER_EMBEDDED_JOURNAL_SNAPSHOT_GENERATE_TIMER`
`static MetricKey`	`MASTER_EMBEDDED_JOURNAL_SNAPSHOT_INSTALL_TIMER`
`static MetricKey`	`MASTER_EMBEDDED_JOURNAL_SNAPSHOT_LAST_INDEX`
`static MetricKey`	`MASTER_EMBEDDED_JOURNAL_SNAPSHOT_REPLAY_TIMER`
`static MetricKey`	`MASTER_FILE_BLOCK_INFOS_GOT`
`static MetricKey`	`MASTER_FILE_INFOS_GOT`
`static MetricKey`	`MASTER_FILE_SIZE`
`static MetricKey`	`MASTER_FILES_COMPLETED`
`static MetricKey`	`MASTER_FILES_CREATED`
`static MetricKey`	`MASTER_FILES_FREED`
`static MetricKey`	`MASTER_FILES_PERSISTED`
`static MetricKey`	`MASTER_FILES_PINNED`
`static MetricKey`	`MASTER_FILES_TO_PERSIST`
`static MetricKey`	`MASTER_FREE_FILE_OPS`
`static MetricKey`	`MASTER_GET_FILE_BLOCK_INFO_OPS`
`static MetricKey`	`MASTER_GET_FILE_INFO_OPS`
`static MetricKey`	`MASTER_GET_NEW_BLOCK_OPS`
`static MetricKey`	`MASTER_INODE_CACHE_EVICTIONS`
`static MetricKey`	`MASTER_INODE_CACHE_HIT_RATIO`
`static MetricKey`	`MASTER_INODE_CACHE_HITS`
`static MetricKey`	`MASTER_INODE_CACHE_LOAD_TIMES`
`static MetricKey`	`MASTER_INODE_CACHE_MISSES`
`static MetricKey`	`MASTER_INODE_CACHE_SIZE`
`static MetricKey`	`MASTER_INODE_HEAP_SIZE`
`static MetricKey`	`MASTER_INODE_LOCK_POOL_SIZE`
`static MetricKey`	`MASTER_JOURNAL_ENTRIES_SINCE_CHECKPOINT`
`static MetricKey`	`MASTER_JOURNAL_FLUSH_FAILURE`
`static MetricKey`	`MASTER_JOURNAL_FLUSH_TIMER`
`static MetricKey`	`MASTER_JOURNAL_GAIN_PRIMACY_TIMER`
`static MetricKey`	`MASTER_JOURNAL_LAST_CHECKPOINT_TIME`
`static MetricKey`	`MASTER_JOURNAL_SEQUENCE_NUMBER`
`static MetricKey`	`MASTER_JOURNAL_SPACE_FREE_BYTES`
`static MetricKey`	`MASTER_JOURNAL_SPACE_FREE_PERCENT`
`static MetricKey`	`MASTER_LAST_BACKUP_ENTRIES_COUNT`
`static MetricKey`	`MASTER_LAST_BACKUP_RESTORE_COUNT`
`static MetricKey`	`MASTER_LAST_BACKUP_RESTORE_TIME_MS`
`static MetricKey`	`MASTER_LAST_BACKUP_TIME_MS`
`static MetricKey`	`MASTER_LISTING_CACHE_EVICTIONS`
`static MetricKey`	`MASTER_LISTING_CACHE_HITS`
`static MetricKey`	`MASTER_LISTING_CACHE_LOAD_TIMES`
`static MetricKey`	`MASTER_LISTING_CACHE_MISSES`
`static MetricKey`	`MASTER_LISTING_CACHE_SIZE`
`static MetricKey`	`MASTER_LOST_BLOCK_COUNT`
`static MetricKey`	`MASTER_LOST_FILE_COUNT`
`static MetricKey`	`MASTER_MOUNT_OPS`
`static MetricKey`	`MASTER_NEW_BLOCKS_GOT`
`static MetricKey`	`MASTER_PATHS_DELETED`
`static MetricKey`	`MASTER_PATHS_MOUNTED`
`static MetricKey`	`MASTER_PATHS_RENAMED`
`static MetricKey`	`MASTER_PATHS_UNMOUNTED`
`static MetricKey`	`MASTER_RENAME_PATH_OPS`
`static MetricKey`	`MASTER_RPC_QUEUE_LENGTH`
`static MetricKey`	`MASTER_SET_ACL_OPS`
`static MetricKey`	`MASTER_SET_ATTRIBUTE_OPS`
`static MetricKey`	`MASTER_TOTAL_BLOCK_REPLICA_COUNT`
`static MetricKey`	`MASTER_TOTAL_PATHS`
`static MetricKey`	`MASTER_TOTAL_RPCS`
`static MetricKey`	`MASTER_UFS_JOURNAL_CATCHUP_TIMER`
`static MetricKey`	`MASTER_UFS_JOURNAL_FAILURE_RECOVER_TIMER`
`static MetricKey`	`MASTER_UFS_JOURNAL_INITIAL_REPLAY_TIME_MS`
`static MetricKey`	`MASTER_UNIQUE_BLOCKS`
`static MetricKey`	`MASTER_UNMOUNT_OPS`
`static MetricKey`	`TOTAL_EXTRA_TIME`
`static MetricKey`	`WARN_TIME_EXCEEDED`
`static MetricKey`	`WORKER_ACTIVE_CLIENTS`
`static MetricKey`	`WORKER_ACTIVE_RPC_READ_COUNT`
`static MetricKey`	`WORKER_ACTIVE_RPC_WRITE_COUNT`
`static MetricKey`	`WORKER_BLOCK_REMOVER_REMOVED_COUNT`
`static MetricKey`	`WORKER_BLOCK_REMOVER_REMOVING_BLOCKS_SIZE`
`static MetricKey`	`WORKER_BLOCK_REMOVER_TRY_REMOVE_BLOCKS_SIZE`
`static MetricKey`	`WORKER_BLOCK_REMOVER_TRY_REMOVE_COUNT`
`static MetricKey`	`WORKER_BLOCKS_ACCESSED`
`static MetricKey`	`WORKER_BLOCKS_CACHED`
`static MetricKey`	`WORKER_BLOCKS_CANCELLED`
`static MetricKey`	`WORKER_BLOCKS_DELETED`
`static MetricKey`	`WORKER_BLOCKS_EVICTED`
`static MetricKey`	`WORKER_BLOCKS_EVICTION_RATE`
`static MetricKey`	`WORKER_BLOCKS_LOST`
`static MetricKey`	`WORKER_BLOCKS_PROMOTED`
`static MetricKey`	`WORKER_BLOCKS_READ_LOCAL`
`static MetricKey`	`WORKER_BLOCKS_READ_REMOTE`
`static MetricKey`	`WORKER_BLOCKS_READ_UFS`
`static MetricKey`	`WORKER_BYTES_READ_DIRECT`
`static MetricKey`	`WORKER_BYTES_READ_DIRECT_THROUGHPUT`
`static MetricKey`	`WORKER_BYTES_READ_DOMAIN`
`static MetricKey`	`WORKER_BYTES_READ_DOMAIN_THROUGHPUT`
`static MetricKey`	`WORKER_BYTES_READ_REMOTE`
`static MetricKey`	`WORKER_BYTES_READ_REMOTE_THROUGHPUT`
`static MetricKey`	`WORKER_BYTES_READ_UFS`
`static MetricKey`	`WORKER_BYTES_READ_UFS_THROUGHPUT`
`static MetricKey`	`WORKER_BYTES_WRITTEN_DIRECT`
`static MetricKey`	`WORKER_BYTES_WRITTEN_DIRECT_THROUGHPUT`
`static MetricKey`	`WORKER_BYTES_WRITTEN_DOMAIN`
`static MetricKey`	`WORKER_BYTES_WRITTEN_DOMAIN_THROUGHPUT`
`static MetricKey`	`WORKER_BYTES_WRITTEN_REMOTE`
`static MetricKey`	`WORKER_BYTES_WRITTEN_REMOTE_THROUGHPUT`
`static MetricKey`	`WORKER_BYTES_WRITTEN_UFS`
`static MetricKey`	`WORKER_BYTES_WRITTEN_UFS_THROUGHPUT`
`static MetricKey`	`WORKER_CACHE_BLOCKS_SIZE`
`static MetricKey`	`WORKER_CACHE_FAILED_BLOCKS`
`static MetricKey`	`WORKER_CACHE_REMOTE_BLOCKS`
`static MetricKey`	`WORKER_CACHE_REQUESTS`
`static MetricKey`	`WORKER_CACHE_REQUESTS_ASYNC`
`static MetricKey`	`WORKER_CACHE_REQUESTS_SYNC`
`static MetricKey`	`WORKER_CACHE_SUCCEEDED_BLOCKS`
`static MetricKey`	`WORKER_CACHE_UFS_BLOCKS`
`static MetricKey`	`WORKER_CAPACITY_FREE`
`static MetricKey`	`WORKER_CAPACITY_TOTAL`
`static MetricKey`	`WORKER_CAPACITY_USED`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`static Collection<? extends MetricKey>`	`allMetricKeys()`
`static Set<MetricKey>`	`allShouldReportMetricKeys(MetricsSystem.InstanceType instanceType)` Gets all the metric keys that belong to the given instance type and should be reported.
`int`	`compareTo(MetricKey o)`
`boolean`	`equals(Object o)`
`static MetricKey`	`fromString(String name)` Parses a given name and return its corresponding `MetricKey`, throwing exception if no such a Metric can be found.
`String`	`getDescription()`
`String`	`getMetricName()`
`MetricType`	`getMetricType()`
`String`	`getName()`
`int`	`hashCode()`
`boolean`	`isClusterAggregated()`
`static boolean`	`isValid(String name)`
`static boolean`	`register(MetricKey key)` Registers the given key to the global key map.
`String`	`toString()`
`static void`	`unregister(MetricKey key)` Unregisters the given key from the global key map.

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

MASTER_ABSENT_CACHE_HITS

public static final MetricKey MASTER_ABSENT_CACHE_HITS

MASTER_ABSENT_CACHE_MISSES

public static final MetricKey MASTER_ABSENT_CACHE_MISSES

MASTER_ABSENT_CACHE_SIZE

public static final MetricKey MASTER_ABSENT_CACHE_SIZE

MASTER_EDGE_CACHE_EVICTIONS

public static final MetricKey MASTER_EDGE_CACHE_EVICTIONS

MASTER_EDGE_CACHE_HITS

public static final MetricKey MASTER_EDGE_CACHE_HITS

MASTER_EDGE_CACHE_LOAD_TIMES

public static final MetricKey MASTER_EDGE_CACHE_LOAD_TIMES

MASTER_EDGE_CACHE_MISSES

public static final MetricKey MASTER_EDGE_CACHE_MISSES

MASTER_EDGE_CACHE_SIZE

public static final MetricKey MASTER_EDGE_CACHE_SIZE

MASTER_FILES_PINNED

public static final MetricKey MASTER_FILES_PINNED

MASTER_FILES_TO_PERSIST

public static final MetricKey MASTER_FILES_TO_PERSIST

MASTER_FILE_SIZE

public static final MetricKey MASTER_FILE_SIZE

MASTER_INODE_CACHE_EVICTIONS

public static final MetricKey MASTER_INODE_CACHE_EVICTIONS

MASTER_INODE_CACHE_HITS

public static final MetricKey MASTER_INODE_CACHE_HITS

MASTER_INODE_CACHE_HIT_RATIO

public static final MetricKey MASTER_INODE_CACHE_HIT_RATIO

MASTER_INODE_CACHE_LOAD_TIMES

public static final MetricKey MASTER_INODE_CACHE_LOAD_TIMES

MASTER_INODE_CACHE_MISSES

public static final MetricKey MASTER_INODE_CACHE_MISSES

MASTER_INODE_CACHE_SIZE

public static final MetricKey MASTER_INODE_CACHE_SIZE

MASTER_JOURNAL_SPACE_FREE_BYTES

public static final MetricKey MASTER_JOURNAL_SPACE_FREE_BYTES

MASTER_JOURNAL_SPACE_FREE_PERCENT

public static final MetricKey MASTER_JOURNAL_SPACE_FREE_PERCENT

MASTER_LOST_FILE_COUNT

public static final MetricKey MASTER_LOST_FILE_COUNT

MASTER_LOST_BLOCK_COUNT

public static final MetricKey MASTER_LOST_BLOCK_COUNT

MASTER_TOTAL_PATHS

public static final MetricKey MASTER_TOTAL_PATHS

MASTER_UNIQUE_BLOCKS

public static final MetricKey MASTER_UNIQUE_BLOCKS

MASTER_TOTAL_RPCS

public static final MetricKey MASTER_TOTAL_RPCS

MASTER_TOTAL_BLOCK_REPLICA_COUNT

public static final MetricKey MASTER_TOTAL_BLOCK_REPLICA_COUNT

MASTER_INODE_HEAP_SIZE

public static final MetricKey MASTER_INODE_HEAP_SIZE

MASTER_BLOCK_HEAP_SIZE

public static final MetricKey MASTER_BLOCK_HEAP_SIZE

MASTER_RPC_QUEUE_LENGTH

public static final MetricKey MASTER_RPC_QUEUE_LENGTH

MASTER_LAST_BACKUP_ENTRIES_COUNT

public static final MetricKey MASTER_LAST_BACKUP_ENTRIES_COUNT

MASTER_LAST_BACKUP_TIME_MS

public static final MetricKey MASTER_LAST_BACKUP_TIME_MS

MASTER_LAST_BACKUP_RESTORE_COUNT

public static final MetricKey MASTER_LAST_BACKUP_RESTORE_COUNT

MASTER_LAST_BACKUP_RESTORE_TIME_MS

public static final MetricKey MASTER_LAST_BACKUP_RESTORE_TIME_MS

MASTER_DIRECTORIES_CREATED

public static final MetricKey MASTER_DIRECTORIES_CREATED

MASTER_FILE_BLOCK_INFOS_GOT

public static final MetricKey MASTER_FILE_BLOCK_INFOS_GOT

MASTER_FILE_INFOS_GOT

public static final MetricKey MASTER_FILE_INFOS_GOT

MASTER_FILES_COMPLETED

public static final MetricKey MASTER_FILES_COMPLETED

MASTER_FILES_CREATED

public static final MetricKey MASTER_FILES_CREATED

MASTER_FILES_FREED

public static final MetricKey MASTER_FILES_FREED

MASTER_FILES_PERSISTED

public static final MetricKey MASTER_FILES_PERSISTED

MASTER_NEW_BLOCKS_GOT

public static final MetricKey MASTER_NEW_BLOCKS_GOT

MASTER_PATHS_DELETED

public static final MetricKey MASTER_PATHS_DELETED

MASTER_PATHS_MOUNTED

public static final MetricKey MASTER_PATHS_MOUNTED

MASTER_PATHS_RENAMED

public static final MetricKey MASTER_PATHS_RENAMED

MASTER_PATHS_UNMOUNTED

public static final MetricKey MASTER_PATHS_UNMOUNTED

MASTER_COMPLETE_FILE_OPS

public static final MetricKey MASTER_COMPLETE_FILE_OPS

MASTER_CREATE_DIRECTORIES_OPS

public static final MetricKey MASTER_CREATE_DIRECTORIES_OPS

MASTER_CREATE_FILES_OPS

public static final MetricKey MASTER_CREATE_FILES_OPS

MASTER_DELETE_PATHS_OPS

public static final MetricKey MASTER_DELETE_PATHS_OPS

MASTER_FREE_FILE_OPS

public static final MetricKey MASTER_FREE_FILE_OPS

MASTER_GET_FILE_BLOCK_INFO_OPS

public static final MetricKey MASTER_GET_FILE_BLOCK_INFO_OPS

MASTER_GET_FILE_INFO_OPS

public static final MetricKey MASTER_GET_FILE_INFO_OPS

MASTER_GET_NEW_BLOCK_OPS

public static final MetricKey MASTER_GET_NEW_BLOCK_OPS

MASTER_LISTING_CACHE_EVICTIONS

public static final MetricKey MASTER_LISTING_CACHE_EVICTIONS

MASTER_LISTING_CACHE_HITS

public static final MetricKey MASTER_LISTING_CACHE_HITS

MASTER_LISTING_CACHE_LOAD_TIMES

public static final MetricKey MASTER_LISTING_CACHE_LOAD_TIMES

MASTER_LISTING_CACHE_MISSES

public static final MetricKey MASTER_LISTING_CACHE_MISSES

MASTER_LISTING_CACHE_SIZE

public static final MetricKey MASTER_LISTING_CACHE_SIZE

MASTER_MOUNT_OPS

public static final MetricKey MASTER_MOUNT_OPS

MASTER_RENAME_PATH_OPS

public static final MetricKey MASTER_RENAME_PATH_OPS

MASTER_SET_ACL_OPS

public static final MetricKey MASTER_SET_ACL_OPS

MASTER_SET_ATTRIBUTE_OPS

public static final MetricKey MASTER_SET_ATTRIBUTE_OPS

MASTER_UNMOUNT_OPS

public static final MetricKey MASTER_UNMOUNT_OPS

MASTER_INODE_LOCK_POOL_SIZE

public static final MetricKey MASTER_INODE_LOCK_POOL_SIZE

MASTER_EDGE_LOCK_POOL_SIZE

public static final MetricKey MASTER_EDGE_LOCK_POOL_SIZE

MASTER_EMBEDDED_JOURNAL_SNAPSHOT_GENERATE_TIMER

public static final MetricKey MASTER_EMBEDDED_JOURNAL_SNAPSHOT_GENERATE_TIMER

MASTER_EMBEDDED_JOURNAL_SNAPSHOT_DOWNLOAD_TIMER

public static final MetricKey MASTER_EMBEDDED_JOURNAL_SNAPSHOT_DOWNLOAD_TIMER

MASTER_EMBEDDED_JOURNAL_SNAPSHOT_INSTALL_TIMER

public static final MetricKey MASTER_EMBEDDED_JOURNAL_SNAPSHOT_INSTALL_TIMER

MASTER_EMBEDDED_JOURNAL_SNAPSHOT_REPLAY_TIMER

public static final MetricKey MASTER_EMBEDDED_JOURNAL_SNAPSHOT_REPLAY_TIMER

MASTER_EMBEDDED_JOURNAL_SNAPSHOT_LAST_INDEX

public static final MetricKey MASTER_EMBEDDED_JOURNAL_SNAPSHOT_LAST_INDEX

MASTER_JOURNAL_FLUSH_FAILURE

public static final MetricKey MASTER_JOURNAL_FLUSH_FAILURE

MASTER_JOURNAL_FLUSH_TIMER

public static final MetricKey MASTER_JOURNAL_FLUSH_TIMER

MASTER_JOURNAL_SEQUENCE_NUMBER

public static final MetricKey MASTER_JOURNAL_SEQUENCE_NUMBER

MASTER_JOURNAL_LAST_CHECKPOINT_TIME

public static final MetricKey MASTER_JOURNAL_LAST_CHECKPOINT_TIME

MASTER_JOURNAL_ENTRIES_SINCE_CHECKPOINT

public static final MetricKey MASTER_JOURNAL_ENTRIES_SINCE_CHECKPOINT

MASTER_JOURNAL_GAIN_PRIMACY_TIMER

public static final MetricKey MASTER_JOURNAL_GAIN_PRIMACY_TIMER

MASTER_UFS_JOURNAL_CATCHUP_TIMER

public static final MetricKey MASTER_UFS_JOURNAL_CATCHUP_TIMER

MASTER_UFS_JOURNAL_FAILURE_RECOVER_TIMER

public static final MetricKey MASTER_UFS_JOURNAL_FAILURE_RECOVER_TIMER

MASTER_UFS_JOURNAL_INITIAL_REPLAY_TIME_MS

public static final MetricKey MASTER_UFS_JOURNAL_INITIAL_REPLAY_TIME_MS

CLUSTER_ACTIVE_RPC_READ_COUNT

public static final MetricKey CLUSTER_ACTIVE_RPC_READ_COUNT

CLUSTER_ACTIVE_RPC_WRITE_COUNT

public static final MetricKey CLUSTER_ACTIVE_RPC_WRITE_COUNT

CLUSTER_BYTES_READ_DIRECT

public static final MetricKey CLUSTER_BYTES_READ_DIRECT

CLUSTER_BYTES_READ_DIRECT_THROUGHPUT

public static final MetricKey CLUSTER_BYTES_READ_DIRECT_THROUGHPUT

CLUSTER_BYTES_READ_REMOTE

public static final MetricKey CLUSTER_BYTES_READ_REMOTE

CLUSTER_BYTES_READ_REMOTE_THROUGHPUT

public static final MetricKey CLUSTER_BYTES_READ_REMOTE_THROUGHPUT

CLUSTER_BYTES_READ_DOMAIN

public static final MetricKey CLUSTER_BYTES_READ_DOMAIN

CLUSTER_BYTES_READ_DOMAIN_THROUGHPUT

public static final MetricKey CLUSTER_BYTES_READ_DOMAIN_THROUGHPUT

CLUSTER_BYTES_READ_LOCAL

public static final MetricKey CLUSTER_BYTES_READ_LOCAL

CLUSTER_BYTES_READ_LOCAL_THROUGHPUT

public static final MetricKey CLUSTER_BYTES_READ_LOCAL_THROUGHPUT

CLUSTER_BYTES_READ_UFS

public static final MetricKey CLUSTER_BYTES_READ_UFS

CLUSTER_BYTES_READ_UFS_ALL

public static final MetricKey CLUSTER_BYTES_READ_UFS_ALL

CLUSTER_BYTES_READ_UFS_THROUGHPUT

public static final MetricKey CLUSTER_BYTES_READ_UFS_THROUGHPUT

CLUSTER_BYTES_WRITTEN_REMOTE

public static final MetricKey CLUSTER_BYTES_WRITTEN_REMOTE

CLUSTER_BYTES_WRITTEN_REMOTE_THROUGHPUT

public static final MetricKey CLUSTER_BYTES_WRITTEN_REMOTE_THROUGHPUT

CLUSTER_BYTES_WRITTEN_DOMAIN

public static final MetricKey CLUSTER_BYTES_WRITTEN_DOMAIN

CLUSTER_BYTES_WRITTEN_DOMAIN_THROUGHPUT

public static final MetricKey CLUSTER_BYTES_WRITTEN_DOMAIN_THROUGHPUT

CLUSTER_BYTES_WRITTEN_LOCAL

public static final MetricKey CLUSTER_BYTES_WRITTEN_LOCAL

CLUSTER_BYTES_WRITTEN_LOCAL_THROUGHPUT

public static final MetricKey CLUSTER_BYTES_WRITTEN_LOCAL_THROUGHPUT

CLUSTER_BYTES_WRITTEN_UFS

public static final MetricKey CLUSTER_BYTES_WRITTEN_UFS

CLUSTER_BYTES_WRITTEN_UFS_ALL

public static final MetricKey CLUSTER_BYTES_WRITTEN_UFS_ALL

CLUSTER_BYTES_WRITTEN_UFS_THROUGHPUT

public static final MetricKey CLUSTER_BYTES_WRITTEN_UFS_THROUGHPUT

CLUSTER_CACHE_HIT_RATE

public static final MetricKey CLUSTER_CACHE_HIT_RATE

CLUSTER_CAPACITY_TOTAL

public static final MetricKey CLUSTER_CAPACITY_TOTAL

CLUSTER_CAPACITY_USED

public static final MetricKey CLUSTER_CAPACITY_USED

CLUSTER_CAPACITY_FREE

public static final MetricKey CLUSTER_CAPACITY_FREE

CLUSTER_ROOT_UFS_CAPACITY_TOTAL

public static final MetricKey CLUSTER_ROOT_UFS_CAPACITY_TOTAL

CLUSTER_ROOT_UFS_CAPACITY_USED

public static final MetricKey CLUSTER_ROOT_UFS_CAPACITY_USED

CLUSTER_ROOT_UFS_CAPACITY_FREE

public static final MetricKey CLUSTER_ROOT_UFS_CAPACITY_FREE

CLUSTER_WORKERS

public static final MetricKey CLUSTER_WORKERS

CLUSTER_LOST_WORKERS

public static final MetricKey CLUSTER_LOST_WORKERS

WORKER_ACTIVE_RPC_READ_COUNT

public static final MetricKey WORKER_ACTIVE_RPC_READ_COUNT

WORKER_ACTIVE_RPC_WRITE_COUNT

public static final MetricKey WORKER_ACTIVE_RPC_WRITE_COUNT

WORKER_ACTIVE_CLIENTS

public static final MetricKey WORKER_ACTIVE_CLIENTS

WORKER_BLOCKS_ACCESSED

public static final MetricKey WORKER_BLOCKS_ACCESSED

WORKER_BLOCKS_CACHED

public static final MetricKey WORKER_BLOCKS_CACHED

WORKER_BLOCKS_CANCELLED

public static final MetricKey WORKER_BLOCKS_CANCELLED

WORKER_BLOCKS_DELETED

public static final MetricKey WORKER_BLOCKS_DELETED

WORKER_BLOCKS_EVICTED

public static final MetricKey WORKER_BLOCKS_EVICTED

WORKER_BLOCKS_EVICTION_RATE

public static final MetricKey WORKER_BLOCKS_EVICTION_RATE

WORKER_BLOCKS_LOST

public static final MetricKey WORKER_BLOCKS_LOST

WORKER_BLOCKS_PROMOTED

public static final MetricKey WORKER_BLOCKS_PROMOTED

WORKER_BLOCKS_READ_LOCAL

public static final MetricKey WORKER_BLOCKS_READ_LOCAL

WORKER_BLOCKS_READ_REMOTE

public static final MetricKey WORKER_BLOCKS_READ_REMOTE

WORKER_BLOCKS_READ_UFS

public static final MetricKey WORKER_BLOCKS_READ_UFS

WORKER_BYTES_READ_DIRECT

public static final MetricKey WORKER_BYTES_READ_DIRECT

WORKER_BYTES_READ_DIRECT_THROUGHPUT

public static final MetricKey WORKER_BYTES_READ_DIRECT_THROUGHPUT

WORKER_BYTES_READ_REMOTE

public static final MetricKey WORKER_BYTES_READ_REMOTE

WORKER_BYTES_READ_REMOTE_THROUGHPUT

public static final MetricKey WORKER_BYTES_READ_REMOTE_THROUGHPUT

WORKER_BYTES_READ_DOMAIN

public static final MetricKey WORKER_BYTES_READ_DOMAIN

WORKER_BYTES_READ_DOMAIN_THROUGHPUT

public static final MetricKey WORKER_BYTES_READ_DOMAIN_THROUGHPUT

WORKER_BYTES_READ_UFS

public static final MetricKey WORKER_BYTES_READ_UFS

WORKER_BYTES_READ_UFS_THROUGHPUT

public static final MetricKey WORKER_BYTES_READ_UFS_THROUGHPUT

WORKER_BYTES_WRITTEN_DIRECT

public static final MetricKey WORKER_BYTES_WRITTEN_DIRECT

WORKER_BYTES_WRITTEN_DIRECT_THROUGHPUT

public static final MetricKey WORKER_BYTES_WRITTEN_DIRECT_THROUGHPUT

WORKER_BYTES_WRITTEN_REMOTE

public static final MetricKey WORKER_BYTES_WRITTEN_REMOTE

WORKER_BYTES_WRITTEN_REMOTE_THROUGHPUT

public static final MetricKey WORKER_BYTES_WRITTEN_REMOTE_THROUGHPUT

WORKER_BYTES_WRITTEN_DOMAIN

public static final MetricKey WORKER_BYTES_WRITTEN_DOMAIN

WORKER_BYTES_WRITTEN_DOMAIN_THROUGHPUT

public static final MetricKey WORKER_BYTES_WRITTEN_DOMAIN_THROUGHPUT

WORKER_BYTES_WRITTEN_UFS

public static final MetricKey WORKER_BYTES_WRITTEN_UFS

WORKER_BYTES_WRITTEN_UFS_THROUGHPUT

public static final MetricKey WORKER_BYTES_WRITTEN_UFS_THROUGHPUT

WORKER_CAPACITY_TOTAL

public static final MetricKey WORKER_CAPACITY_TOTAL

WORKER_CAPACITY_USED

public static final MetricKey WORKER_CAPACITY_USED

WORKER_CAPACITY_FREE

public static final MetricKey WORKER_CAPACITY_FREE

WORKER_CACHE_FAILED_BLOCKS

public static final MetricKey WORKER_CACHE_FAILED_BLOCKS

WORKER_CACHE_REMOTE_BLOCKS

public static final MetricKey WORKER_CACHE_REMOTE_BLOCKS

WORKER_CACHE_REQUESTS

public static final MetricKey WORKER_CACHE_REQUESTS

WORKER_CACHE_REQUESTS_ASYNC

public static final MetricKey WORKER_CACHE_REQUESTS_ASYNC

WORKER_CACHE_REQUESTS_SYNC

public static final MetricKey WORKER_CACHE_REQUESTS_SYNC

WORKER_CACHE_SUCCEEDED_BLOCKS

public static final MetricKey WORKER_CACHE_SUCCEEDED_BLOCKS

WORKER_CACHE_UFS_BLOCKS

public static final MetricKey WORKER_CACHE_UFS_BLOCKS

WORKER_CACHE_BLOCKS_SIZE

public static final MetricKey WORKER_CACHE_BLOCKS_SIZE

WORKER_BLOCK_REMOVER_TRY_REMOVE_COUNT

public static final MetricKey WORKER_BLOCK_REMOVER_TRY_REMOVE_COUNT

WORKER_BLOCK_REMOVER_REMOVED_COUNT

public static final MetricKey WORKER_BLOCK_REMOVER_REMOVED_COUNT

WORKER_BLOCK_REMOVER_TRY_REMOVE_BLOCKS_SIZE

public static final MetricKey WORKER_BLOCK_REMOVER_TRY_REMOVE_BLOCKS_SIZE

WORKER_BLOCK_REMOVER_REMOVING_BLOCKS_SIZE

public static final MetricKey WORKER_BLOCK_REMOVER_REMOVING_BLOCKS_SIZE

CLIENT_BLOCK_READ_CHUNK_REMOTE

public static final MetricKey CLIENT_BLOCK_READ_CHUNK_REMOTE

CLIENT_BYTES_READ_LOCAL

public static final MetricKey CLIENT_BYTES_READ_LOCAL

CLIENT_BYTES_READ_LOCAL_THROUGHPUT

public static final MetricKey CLIENT_BYTES_READ_LOCAL_THROUGHPUT

CLIENT_BYTES_WRITTEN_LOCAL

public static final MetricKey CLIENT_BYTES_WRITTEN_LOCAL

CLIENT_BYTES_WRITTEN_LOCAL_THROUGHPUT

public static final MetricKey CLIENT_BYTES_WRITTEN_LOCAL_THROUGHPUT

CLIENT_BYTES_WRITTEN_UFS

public static final MetricKey CLIENT_BYTES_WRITTEN_UFS

CLIENT_CACHE_BYTES_READ_CACHE

public static final MetricKey CLIENT_CACHE_BYTES_READ_CACHE

CLIENT_CACHE_BYTES_READ_EXTERNAL

public static final MetricKey CLIENT_CACHE_BYTES_READ_EXTERNAL

CLIENT_CACHE_BYTES_REQUESTED_EXTERNAL

public static final MetricKey CLIENT_CACHE_BYTES_REQUESTED_EXTERNAL

CLIENT_CACHE_PAGE_READ_CACHE_TIME_NS

public static final MetricKey CLIENT_CACHE_PAGE_READ_CACHE_TIME_NS

CLIENT_CACHE_PAGE_READ_EXTERNAL_TIME_NS

public static final MetricKey CLIENT_CACHE_PAGE_READ_EXTERNAL_TIME_NS

CLIENT_CACHE_BYTES_EVICTED

public static final MetricKey CLIENT_CACHE_BYTES_EVICTED

CLIENT_CACHE_PAGES

public static final MetricKey CLIENT_CACHE_PAGES

CLIENT_CACHE_PAGES_EVICTED

public static final MetricKey CLIENT_CACHE_PAGES_EVICTED

CLIENT_CACHE_BYTES_WRITTEN_CACHE

public static final MetricKey CLIENT_CACHE_BYTES_WRITTEN_CACHE

CLIENT_CACHE_HIT_RATE

public static final MetricKey CLIENT_CACHE_HIT_RATE

CLIENT_CACHE_SPACE_AVAILABLE

public static final MetricKey CLIENT_CACHE_SPACE_AVAILABLE

CLIENT_CACHE_SPACE_USED

public static final MetricKey CLIENT_CACHE_SPACE_USED

CLIENT_CACHE_SHADOW_CACHE_BYTES

public static final MetricKey CLIENT_CACHE_SHADOW_CACHE_BYTES

CLIENT_CACHE_SHADOW_CACHE_BYTES_HIT

public static final MetricKey CLIENT_CACHE_SHADOW_CACHE_BYTES_HIT

CLIENT_CACHE_SHADOW_CACHE_BYTES_READ

public static final MetricKey CLIENT_CACHE_SHADOW_CACHE_BYTES_READ

CLIENT_CACHE_SHADOW_CACHE_FALSE_POSITIVE_RATIO

public static final MetricKey CLIENT_CACHE_SHADOW_CACHE_FALSE_POSITIVE_RATIO

CLIENT_CACHE_SHADOW_CACHE_PAGES

public static final MetricKey CLIENT_CACHE_SHADOW_CACHE_PAGES

CLIENT_CACHE_SHADOW_CACHE_PAGES_HIT

public static final MetricKey CLIENT_CACHE_SHADOW_CACHE_PAGES_HIT

CLIENT_CACHE_SHADOW_CACHE_PAGES_READ

public static final MetricKey CLIENT_CACHE_SHADOW_CACHE_PAGES_READ

CLIENT_CACHE_SPACE_USED_COUNT

public static final MetricKey CLIENT_CACHE_SPACE_USED_COUNT

CLIENT_CACHE_CLEAN_ERRORS

public static final MetricKey CLIENT_CACHE_CLEAN_ERRORS

CLIENT_CACHE_CREATE_ERRORS

public static final MetricKey CLIENT_CACHE_CREATE_ERRORS

CLIENT_CACHE_DELETE_ERRORS

public static final MetricKey CLIENT_CACHE_DELETE_ERRORS

CLIENT_CACHE_DELETE_NON_EXISTING_PAGE_ERRORS

public static final MetricKey CLIENT_CACHE_DELETE_NON_EXISTING_PAGE_ERRORS

CLIENT_CACHE_DELETE_NOT_READY_ERRORS

public static final MetricKey CLIENT_CACHE_DELETE_NOT_READY_ERRORS

CLIENT_CACHE_DELETE_FROM_STORE_ERRORS

public static final MetricKey CLIENT_CACHE_DELETE_FROM_STORE_ERRORS

CLIENT_CACHE_GET_ERRORS

public static final MetricKey CLIENT_CACHE_GET_ERRORS

CLIENT_CACHE_GET_NOT_READY_ERRORS

public static final MetricKey CLIENT_CACHE_GET_NOT_READY_ERRORS

CLIENT_CACHE_GET_STORE_READ_ERRORS

public static final MetricKey CLIENT_CACHE_GET_STORE_READ_ERRORS

CLIENT_CACHE_CLEANUP_GET_ERRORS

public static final MetricKey CLIENT_CACHE_CLEANUP_GET_ERRORS

CLIENT_CACHE_CLEANUP_PUT_ERRORS

public static final MetricKey CLIENT_CACHE_CLEANUP_PUT_ERRORS

CLIENT_CACHE_PUT_ERRORS

public static final MetricKey CLIENT_CACHE_PUT_ERRORS

CLIENT_CACHE_PUT_ASYNC_REJECTION_ERRORS

public static final MetricKey CLIENT_CACHE_PUT_ASYNC_REJECTION_ERRORS

CLIENT_CACHE_PUT_EVICTION_ERRORS

public static final MetricKey CLIENT_CACHE_PUT_EVICTION_ERRORS

CLIENT_CACHE_PUT_INSUFFICIENT_SPACE_ERRORS

public static final MetricKey CLIENT_CACHE_PUT_INSUFFICIENT_SPACE_ERRORS

CLIENT_CACHE_PUT_BENIGN_RACING_ERRORS

public static final MetricKey CLIENT_CACHE_PUT_BENIGN_RACING_ERRORS

CLIENT_CACHE_PUT_NOT_READY_ERRORS

public static final MetricKey CLIENT_CACHE_PUT_NOT_READY_ERRORS

CLIENT_CACHE_PUT_STORE_DELETE_ERRORS

public static final MetricKey CLIENT_CACHE_PUT_STORE_DELETE_ERRORS

CLIENT_CACHE_PUT_STORE_WRITE_ERRORS

public static final MetricKey CLIENT_CACHE_PUT_STORE_WRITE_ERRORS

CLIENT_CACHE_PUT_STORE_WRITE_NO_SPACE_ERRORS

public static final MetricKey CLIENT_CACHE_PUT_STORE_WRITE_NO_SPACE_ERRORS

CLIENT_CACHE_STORE_DELETE_TIMEOUT

public static final MetricKey CLIENT_CACHE_STORE_DELETE_TIMEOUT

CLIENT_CACHE_STORE_GET_TIMEOUT

public static final MetricKey CLIENT_CACHE_STORE_GET_TIMEOUT

CLIENT_CACHE_STORE_PUT_TIMEOUT

public static final MetricKey CLIENT_CACHE_STORE_PUT_TIMEOUT

CLIENT_CACHE_STORE_THREADS_REJECTED

public static final MetricKey CLIENT_CACHE_STORE_THREADS_REJECTED

CLIENT_CACHE_STATE

public static final MetricKey CLIENT_CACHE_STATE

CLIENT_META_DATA_CACHE_SIZE

public static final MetricKey CLIENT_META_DATA_CACHE_SIZE

FUSE_BYTES_TO_READ

public static final MetricKey FUSE_BYTES_TO_READ

FUSE_BYTES_READ

public static final MetricKey FUSE_BYTES_READ

FUSE_WRITING_FILE_COUNT

public static final MetricKey FUSE_WRITING_FILE_COUNT

FUSE_READING_FILE_COUNT

public static final MetricKey FUSE_READING_FILE_COUNT

FUSE_CACHED_PATH_COUNT

public static final MetricKey FUSE_CACHED_PATH_COUNT

TOTAL_EXTRA_TIME

public static final MetricKey TOTAL_EXTRA_TIME

INFO_TIME_EXCEEDED

public static final MetricKey INFO_TIME_EXCEEDED

WARN_TIME_EXCEEDED

public static final MetricKey WARN_TIME_EXCEEDED

Method Detail
- isValid
```
public static boolean isValid(String name)
```
  Parameters:
  
  name - name of a metric
  
  Returns:
  
  whether the given name is a valid Metric name
- fromString
```
public static MetricKey fromString(String name)
```
  Parses a given name and return its corresponding MetricKey, throwing exception if no such a Metric can be found.
  
  Parameters:
  
  name - name of the Metric key
  
  Returns:
  
  corresponding Metric
- allMetricKeys
```
public static Collection<? extends MetricKey> allMetricKeys()
```
  Returns:
  
  all pre-defined Alluxio metric keys
- allShouldReportMetricKeys
```
public static Set<MetricKey> allShouldReportMetricKeys(MetricsSystem.InstanceType instanceType)
```
  Gets all the metric keys that belong to the given instance type and should be reported.
  
  Parameters:
  
  instanceType - the instance type that should be reported
  
  Returns:
  
  all pre-defined Alluxio metric keys
- getName
```
public String getName()
```
  Returns:
  
  the name of the Metric
- getMetricName
```
public String getMetricName()
```
  Returns:
  
  the name of the Metric without instance prefix
- getDescription
```
public String getDescription()
```
  Returns:
  
  the description of a Metric
- getMetricType
```
public MetricType getMetricType()
```
  Returns:
  
  the metric type of a Metric
- isClusterAggregated
```
public boolean isClusterAggregated()
```
  Returns:
  
  true if this metrics can be aggregated at cluster level
- register
```
public static boolean register(MetricKey key)
```
  Registers the given key to the global key map.
  
  Parameters:
  
  key - the Metric key
  
  Returns:
  
  whether the Metric key is successfully registered
- unregister
```
public static void unregister(MetricKey key)
```
  Unregisters the given key from the global key map.
  
  Parameters:
  
  key - the Metric to unregister
- equals
```
public boolean equals(Object o)
```
  Overrides:
  
  equals in class Object
- hashCode
```
public int hashCode()
```
  Overrides:
  
  hashCode in class Object
- toString
```
public String toString()
```
  Overrides:
  
  toString in class Object
- compareTo
```
public int compareTo(MetricKey o)
```
  Specified by:
  
  compareTo in interface Comparable<MetricKey>

Class MetricKey

Nested Class Summary

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

MASTER_ABSENT_CACHE_HITS

MASTER_ABSENT_CACHE_MISSES

MASTER_ABSENT_CACHE_SIZE

MASTER_EDGE_CACHE_EVICTIONS

MASTER_EDGE_CACHE_HITS

MASTER_EDGE_CACHE_LOAD_TIMES

MASTER_EDGE_CACHE_MISSES

MASTER_EDGE_CACHE_SIZE

MASTER_FILES_PINNED

MASTER_FILES_TO_PERSIST

MASTER_FILE_SIZE

MASTER_INODE_CACHE_EVICTIONS

MASTER_INODE_CACHE_HITS

MASTER_INODE_CACHE_HIT_RATIO

MASTER_INODE_CACHE_LOAD_TIMES

MASTER_INODE_CACHE_MISSES

MASTER_INODE_CACHE_SIZE

MASTER_JOURNAL_SPACE_FREE_BYTES

MASTER_JOURNAL_SPACE_FREE_PERCENT

MASTER_LOST_FILE_COUNT

MASTER_LOST_BLOCK_COUNT

MASTER_TOTAL_PATHS

MASTER_UNIQUE_BLOCKS

MASTER_TOTAL_RPCS

MASTER_TOTAL_BLOCK_REPLICA_COUNT

MASTER_INODE_HEAP_SIZE

MASTER_BLOCK_HEAP_SIZE

MASTER_RPC_QUEUE_LENGTH

MASTER_LAST_BACKUP_ENTRIES_COUNT

MASTER_LAST_BACKUP_TIME_MS

MASTER_LAST_BACKUP_RESTORE_COUNT

MASTER_LAST_BACKUP_RESTORE_TIME_MS

MASTER_DIRECTORIES_CREATED

MASTER_FILE_BLOCK_INFOS_GOT

MASTER_FILE_INFOS_GOT

MASTER_FILES_COMPLETED

MASTER_FILES_CREATED

MASTER_FILES_FREED

MASTER_FILES_PERSISTED

MASTER_NEW_BLOCKS_GOT

MASTER_PATHS_DELETED

MASTER_PATHS_MOUNTED

MASTER_PATHS_RENAMED

MASTER_PATHS_UNMOUNTED

MASTER_COMPLETE_FILE_OPS

MASTER_CREATE_DIRECTORIES_OPS

MASTER_CREATE_FILES_OPS

MASTER_DELETE_PATHS_OPS

MASTER_FREE_FILE_OPS

MASTER_GET_FILE_BLOCK_INFO_OPS

MASTER_GET_FILE_INFO_OPS

MASTER_GET_NEW_BLOCK_OPS

MASTER_LISTING_CACHE_EVICTIONS

MASTER_LISTING_CACHE_HITS

MASTER_LISTING_CACHE_LOAD_TIMES

MASTER_LISTING_CACHE_MISSES

MASTER_LISTING_CACHE_SIZE

MASTER_MOUNT_OPS

MASTER_RENAME_PATH_OPS

MASTER_SET_ACL_OPS

MASTER_SET_ATTRIBUTE_OPS

MASTER_UNMOUNT_OPS

MASTER_INODE_LOCK_POOL_SIZE

MASTER_EDGE_LOCK_POOL_SIZE

MASTER_EMBEDDED_JOURNAL_SNAPSHOT_GENERATE_TIMER

MASTER_EMBEDDED_JOURNAL_SNAPSHOT_DOWNLOAD_TIMER

MASTER_EMBEDDED_JOURNAL_SNAPSHOT_INSTALL_TIMER

MASTER_EMBEDDED_JOURNAL_SNAPSHOT_REPLAY_TIMER

MASTER_EMBEDDED_JOURNAL_SNAPSHOT_LAST_INDEX

MASTER_JOURNAL_FLUSH_FAILURE

MASTER_JOURNAL_FLUSH_TIMER

MASTER_JOURNAL_SEQUENCE_NUMBER

MASTER_JOURNAL_LAST_CHECKPOINT_TIME

MASTER_JOURNAL_ENTRIES_SINCE_CHECKPOINT