Constant Field Values

Contents

• org.apache.*

org.apache.*

org.apache.ratis.server.impl.StateMachineMetrics

Modifier and Type	Constant Field	Value
public static final String	RATIS_STATEMACHINE_METRICS	"state_machine"
public static final String	RATIS_STATEMACHINE_METRICS_DESC	"Metrics for State Machine Updater"
public static final String	STATEMACHINE_APPLIED_INDEX_GAUGE	"appliedIndex"
public static final String	STATEMACHINE_APPLY_COMPLETED_GAUGE	"applyCompletedIndex"
public static final String	STATEMACHINE_TAKE_SNAPSHOT_TIMER	"takeSnapshot"

org.apache.ratis.server.metrics.LeaderElectionMetrics

Modifier and Type	Constant Field	Value
public static final String	LAST_LEADER_ELAPSED_TIME	"lastLeaderElapsedTime"
public static final String	LAST_LEADER_ELECTION_ELAPSED_TIME	"lastLeaderElectionElapsedTime"
public static final String	LEADER_ELECTION_COUNT_METRIC	"electionCount"
public static final String	LEADER_ELECTION_TIME_TAKEN	"electionTime"
public static final String	LEADER_ELECTION_TIMEOUT_COUNT_METRIC	"timeoutCount"
public static final String	RATIS_LEADER_ELECTION_METRICS	"leader_election"
public static final String	RATIS_LEADER_ELECTION_METRICS_DESC	"Metrics for Ratis Leader Election."

org.apache.ratis.server.metrics.LogAppenderMetrics

Modifier and Type	Constant Field	Value
public static final String	FOLLOWER_MATCH_INDEX	"follower_%s_match_index"
public static final String	FOLLOWER_NEXT_INDEX	"follower_%s_next_index"
public static final String	FOLLOWER_RPC_RESP_TIME	"follower_%s_rpc_response_time"
public static final String	RATIS_LOG_APPENDER_METRICS	"log_appender"
public static final String	RATIS_LOG_APPENDER_METRICS_DESC	"Metrics for log appender"

org.apache.ratis.server.metrics.RaftLogMetricsBase

Modifier and Type	Constant Field	Value
public static final String	CONFIG_LOG_ENTRY_COUNT	"configLogEntryCount"
public static final String	METADATA_LOG_ENTRY_COUNT	"metadataLogEntryCount"
public static final String	RAFT_LOG_LOAD_SEGMENT_LATENCY	"segmentLoadLatency"
public static final String	RAFT_LOG_READ_ENTRY_LATENCY	"readEntryLatency"
public static final String	RATIS_LOG_WORKER_METRICS	"log_worker"
public static final String	RATIS_LOG_WORKER_METRICS_DESC	"Metrics for Log Worker"
public static final String	STATE_MACHINE_LOG_ENTRY_COUNT	"stateMachineLogEntryCount"

org.apache.ratis.server.metrics.RaftServerMetricsImpl

Modifier and Type	Constant Field	Value
public static final String	FOLLOWER_APPEND_ENTRIES_LATENCY	"follower_append_entry_latency"
public static final String	FOLLOWER_LAST_HEARTBEAT_ELAPSED_TIME_METRIC	"%s_lastHeartbeatElapsedTime"
public static final String	LEADER_METRIC_PEER_COMMIT_INDEX	"%s_peerCommitIndex"
public static final String	RAFT_CLIENT_READ_REQUEST	"clientReadRequest"
public static final String	RAFT_CLIENT_STALE_READ_REQUEST	"clientStaleReadRequest"
public static final String	RAFT_CLIENT_WATCH_REQUEST	"clientWatch%sRequest"
public static final String	RAFT_CLIENT_WRITE_REQUEST	"clientWriteRequest"
public static final String	RATIS_SERVER_FAILED_CLIENT_READ_COUNT	"numFailedClientReadOnServer"
public static final String	RATIS_SERVER_FAILED_CLIENT_STALE_READ_COUNT	"numFailedClientStaleReadOnServer"
public static final String	RATIS_SERVER_FAILED_CLIENT_STREAM_COUNT	"numFailedClientStreamOnServer"
public static final String	RATIS_SERVER_FAILED_CLIENT_WATCH_COUNT	"numFailedClientWatchOnServer"
public static final String	RATIS_SERVER_FAILED_CLIENT_WRITE_COUNT	"numFailedClientWriteOnServer"
public static final String	RATIS_SERVER_INSTALL_SNAPSHOT_COUNT	"numInstallSnapshot"
public static final String	RATIS_SERVER_METRICS	"server"
public static final String	RATIS_SERVER_METRICS_DESC	"Metrics for Raft server"
public static final String	REQUEST_BYTE_SIZE_LIMIT_HIT_COUNTER	"numRequestsByteSizeLimitHits"
public static final String	REQUEST_MEGA_BYTE_SIZE	"numPendingRequestMegaByteSize"
public static final String	REQUEST_QUEUE_LIMIT_HIT_COUNTER	"numRequestQueueLimitHits"
public static final String	REQUEST_QUEUE_SIZE	"numPendingRequestInQueue"
public static final String	RESOURCE_LIMIT_HIT_COUNTER	"leaderNumResourceLimitHits"
public static final String	RETRY_CACHE_ENTRY_COUNT_METRIC	"retryCacheEntryCount"
public static final String	RETRY_CACHE_HIT_COUNT_METRIC	"retryCacheHitCount"
public static final String	RETRY_CACHE_HIT_RATE_METRIC	"retryCacheHitRate"
public static final String	RETRY_CACHE_MISS_COUNT_METRIC	"retryCacheMissCount"
public static final String	RETRY_CACHE_MISS_RATE_METRIC	"retryCacheMissRate"

org.apache.ratis.server.metrics.SegmentedRaftLogMetrics

Modifier and Type	Constant Field	Value
public static final String	RAFT_LOG_APPEND_ENTRY_COUNT	"appendEntryCount"
public static final String	RAFT_LOG_APPEND_ENTRY_LATENCY	"appendEntryLatency"
public static final String	RAFT_LOG_CACHE_CLOSED_SEGMENTS_NUM	"closedSegmentsNum"
public static final String	RAFT_LOG_CACHE_CLOSED_SEGMENTS_SIZE_IN_BYTES	"closedSegmentsSizeInBytes"
public static final String	RAFT_LOG_CACHE_HIT_COUNT	"cacheHitCount"
public static final String	RAFT_LOG_CACHE_MISS_COUNT	"cacheMissCount"
public static final String	RAFT_LOG_CACHE_OPEN_SEGMENT_SIZE_IN_BYTES	"openSegmentSizeInBytes"
public static final String	RAFT_LOG_DATA_QUEUE_SIZE	"dataQueueSize"
public static final String	RAFT_LOG_FLUSH_COUNT	"flushCount"
public static final String	RAFT_LOG_FLUSH_TIME	"flushTime"
public static final String	RAFT_LOG_LOAD_SEGMENT_LATENCY	"segmentLoadLatency"
public static final String	RAFT_LOG_PURGE_METRIC	"purgeLog"
public static final String	RAFT_LOG_READ_ENTRY_LATENCY	"readEntryLatency"
public static final String	RAFT_LOG_SYNC_BATCH_SIZE	"syncBatchSize"
public static final String	RAFT_LOG_SYNC_TIME	"syncTime"
public static final String	RAFT_LOG_TASK_ENQUEUE_DELAY	"queueingDelay"
public static final String	RAFT_LOG_TASK_EXECUTION_TIME	"%sExecutionTime"
public static final String	RAFT_LOG_TASK_QUEUE_TIME	"enqueuedTime"
public static final String	RAFT_LOG_WORKER_QUEUE_SIZE	"workerQueueSize"

org.apache.ratis.server.raftlog.RaftLogBase

Modifier and Type	Constant Field	Value
public static final long	INVALID_LOG_INDEX	-1L
public static final long	LEAST_VALID_LOG_INDEX	0L