org.apache.ratis.server.metrics

类 SegmentedRaftLogMetrics

java.lang.Object

org.apache.ratis.metrics.RatisMetrics

org.apache.ratis.server.metrics.RaftLogMetricsBase

org.apache.ratis.server.metrics.SegmentedRaftLogMetrics

所有已实现的接口:

RaftLogMetrics

public class SegmentedRaftLogMetrics
extends RaftLogMetricsBase

字段概要

字段

限定符和类型	字段和说明
static String	RAFT_LOG_APPEND_ENTRY_COUNT Number of entries appended to the raft log
static String	RAFT_LOG_APPEND_ENTRY_LATENCY Total time taken to append a raft log entry
static String	RAFT_LOG_CACHE_CLOSED_SEGMENTS_NUM Number of SegmentedRaftLogCache::closedSegments
static String	RAFT_LOG_CACHE_CLOSED_SEGMENTS_SIZE_IN_BYTES Size of SegmentedRaftLogCache::closedSegments in bytes
static String	RAFT_LOG_CACHE_HIT_COUNT Count of RaftLogCache Hits
static String	RAFT_LOG_CACHE_MISS_COUNT Count of RaftLogCache Misses
static String	RAFT_LOG_CACHE_OPEN_SEGMENT_SIZE_IN_BYTES Size of SegmentedRaftLogCache::openSegment in bytes
static String	RAFT_LOG_DATA_QUEUE_SIZE Raft log data queue size which at any time gives the number of log related operations in the queue.
static String	RAFT_LOG_FLUSH_COUNT Number of times of log flushed.
static String	RAFT_LOG_FLUSH_TIME Time taken to flush log.
static String	RAFT_LOG_LOAD_SEGMENT_LATENCY Time required to load and process raft log segments during restart
static String	RAFT_LOG_PURGE_METRIC
static String	RAFT_LOG_READ_ENTRY_LATENCY Time required to read a raft log entry from actual raft log file and create a raft log entry
static String	RAFT_LOG_STATEMACHINE_DATA_READ_TIMEOUT_COUNT Number of statemachine dataApi read timeouts
static String	RAFT_LOG_STATEMACHINE_DATA_WRITE_TIMEOUT_COUNT Number of statemachine dataApi write timeouts
static String	RAFT_LOG_SYNC_BATCH_SIZE Number of raft log entries synced in each flush call.
static String	RAFT_LOG_SYNC_TIME Time taken to log sync.
static String	RAFT_LOG_TASK_ENQUEUE_DELAY Time taken for a Raft log operation to get into the queue after being requested.
static String	RAFT_LOG_TASK_EXECUTION_TIME Time taken for a Raft log operation to complete execution.
static String	RAFT_LOG_TASK_QUEUE_TIME Time spent by a Raft log operation in the queue.
static String	RAFT_LOG_WORKER_QUEUE_SIZE Raft log worker queue size which at any time gives number of committed entries that are to be synced.

从类继承的字段 org.apache.ratis.server.metrics.RaftLogMetricsBase

CONFIG_LOG_ENTRY_COUNT, METADATA_LOG_ENTRY_COUNT, RATIS_LOG_WORKER_METRICS, RATIS_LOG_WORKER_METRICS_DESC, STATE_MACHINE_LOG_ENTRY_COUNT

从类继承的字段 org.apache.ratis.metrics.RatisMetrics

RATIS_APPLICATION_NAME_METRICS

构造器概要

构造器

构造器和说明
SegmentedRaftLogMetrics(RaftGroupMemberId serverId)

方法概要

限定符和类型	方法和说明
void	addClosedSegmentsNum(Supplier<Long> cachedSegmentNum)
void	addClosedSegmentsSizeInBytes(Supplier<Long> closedSegmentsSizeInBytes)
void	addDataQueueSizeGauge(Supplier<Integer> numElements)
void	addFlushBatchSizeGauge(Supplier<Integer> flushBatchSize)
void	addLogWorkerQueueSizeGauge(Supplier<Integer> queueSize)
void	addOpenSegmentSizeInBytes(Supplier<Long> openSegmentSizeInBytes)
Timekeeper	getEnqueuedTimer()
Timekeeper	getReadEntryTimer()
Timekeeper	getSyncTimer()
void	onRaftLogAppendEntry()
void	onRaftLogCacheHit()
void	onRaftLogCacheMiss()
void	onRaftLogFlush()
void	onStateMachineDataReadTimeout()
void	onStateMachineDataWriteTimeout()
Timekeeper.Context	startAppendEntryTimer()
UncheckedAutoCloseable	startFlushTimer()
UncheckedAutoCloseable	startLoadSegmentTimer()
UncheckedAutoCloseable	startPurgeTimer()
UncheckedAutoCloseable	startQueuingDelayTimer()
UncheckedAutoCloseable	startTaskExecutionTimer(Class<?> taskClass)

从类继承的方法 org.apache.ratis.server.metrics.RaftLogMetricsBase

createRegistry, onLogEntryCommitted

从类继承的方法 org.apache.ratis.metrics.RatisMetrics

create, getHeartbeatSuffix, getRegistry, newCounterMap, newCounterMaps, newHeartbeatCounter, newHeartbeatTimer, newTimerMap, unregister

从类继承的方法 java.lang.Object

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

字段详细资料

RAFT_LOG_FLUSH_TIME

public static final String RAFT_LOG_FLUSH_TIME

Time taken to flush log.

另请参阅:

常量字段值

RAFT_LOG_FLUSH_COUNT

public static final String RAFT_LOG_FLUSH_COUNT

Number of times of log flushed.

另请参阅:

常量字段值

RAFT_LOG_SYNC_TIME

public static final String RAFT_LOG_SYNC_TIME

Time taken to log sync.

另请参阅:

常量字段值

RAFT_LOG_DATA_QUEUE_SIZE

public static final String RAFT_LOG_DATA_QUEUE_SIZE

Raft log data queue size which at any time gives the number of log related operations in the queue.

另请参阅:

常量字段值

RAFT_LOG_WORKER_QUEUE_SIZE

public static final String RAFT_LOG_WORKER_QUEUE_SIZE

Raft log worker queue size which at any time gives number of committed entries that are to be synced.

另请参阅:

常量字段值

RAFT_LOG_SYNC_BATCH_SIZE

public static final String RAFT_LOG_SYNC_BATCH_SIZE

Number of raft log entries synced in each flush call.

另请参阅:

常量字段值

RAFT_LOG_CACHE_MISS_COUNT

public static final String RAFT_LOG_CACHE_MISS_COUNT

Count of RaftLogCache Misses

另请参阅:

常量字段值

RAFT_LOG_CACHE_HIT_COUNT

public static final String RAFT_LOG_CACHE_HIT_COUNT

Count of RaftLogCache Hits

另请参阅:

常量字段值

RAFT_LOG_CACHE_CLOSED_SEGMENTS_NUM

public static final String RAFT_LOG_CACHE_CLOSED_SEGMENTS_NUM

Number of SegmentedRaftLogCache::closedSegments

另请参阅:

常量字段值

RAFT_LOG_CACHE_CLOSED_SEGMENTS_SIZE_IN_BYTES

public static final String RAFT_LOG_CACHE_CLOSED_SEGMENTS_SIZE_IN_BYTES

Size of SegmentedRaftLogCache::closedSegments in bytes

另请参阅:

常量字段值

RAFT_LOG_CACHE_OPEN_SEGMENT_SIZE_IN_BYTES

public static final String RAFT_LOG_CACHE_OPEN_SEGMENT_SIZE_IN_BYTES

Size of SegmentedRaftLogCache::openSegment in bytes

另请参阅:

常量字段值

RAFT_LOG_APPEND_ENTRY_LATENCY

public static final String RAFT_LOG_APPEND_ENTRY_LATENCY

Total time taken to append a raft log entry

另请参阅:

常量字段值

RAFT_LOG_TASK_QUEUE_TIME

public static final String RAFT_LOG_TASK_QUEUE_TIME

Time spent by a Raft log operation in the queue.

另请参阅:

常量字段值

RAFT_LOG_TASK_ENQUEUE_DELAY

public static final String RAFT_LOG_TASK_ENQUEUE_DELAY

Time taken for a Raft log operation to get into the queue after being requested. This is the time that it has to wait for the queue to be non-full.

另请参阅:

常量字段值

RAFT_LOG_TASK_EXECUTION_TIME

public static final String RAFT_LOG_TASK_EXECUTION_TIME

Time taken for a Raft log operation to complete execution.

另请参阅:

常量字段值

RAFT_LOG_APPEND_ENTRY_COUNT

public static final String RAFT_LOG_APPEND_ENTRY_COUNT

Number of entries appended to the raft log

另请参阅:

常量字段值

RAFT_LOG_PURGE_METRIC

public static final String RAFT_LOG_PURGE_METRIC

另请参阅:

常量字段值

RAFT_LOG_STATEMACHINE_DATA_WRITE_TIMEOUT_COUNT

public static final String RAFT_LOG_STATEMACHINE_DATA_WRITE_TIMEOUT_COUNT

Number of statemachine dataApi write timeouts

另请参阅:

常量字段值

RAFT_LOG_STATEMACHINE_DATA_READ_TIMEOUT_COUNT

public static final String RAFT_LOG_STATEMACHINE_DATA_READ_TIMEOUT_COUNT

Number of statemachine dataApi read timeouts

另请参阅:

常量字段值

RAFT_LOG_READ_ENTRY_LATENCY

public static final String RAFT_LOG_READ_ENTRY_LATENCY

Time required to read a raft log entry from actual raft log file and create a raft log entry

另请参阅:

常量字段值

RAFT_LOG_LOAD_SEGMENT_LATENCY

public static final String RAFT_LOG_LOAD_SEGMENT_LATENCY

Time required to load and process raft log segments during restart

另请参阅:

常量字段值

构造器详细资料

SegmentedRaftLogMetrics

public SegmentedRaftLogMetrics(RaftGroupMemberId serverId)

方法详细资料

addDataQueueSizeGauge

public void addDataQueueSizeGauge(Supplier<Integer> numElements)

addClosedSegmentsNum

public void addClosedSegmentsNum(Supplier<Long> cachedSegmentNum)

addClosedSegmentsSizeInBytes

public void addClosedSegmentsSizeInBytes(Supplier<Long> closedSegmentsSizeInBytes)

addOpenSegmentSizeInBytes

public void addOpenSegmentSizeInBytes(Supplier<Long> openSegmentSizeInBytes)

addLogWorkerQueueSizeGauge

public void addLogWorkerQueueSizeGauge(Supplier<Integer> queueSize)

addFlushBatchSizeGauge

public void addFlushBatchSizeGauge(Supplier<Integer> flushBatchSize)

startFlushTimer

public UncheckedAutoCloseable startFlushTimer()

getSyncTimer

public Timekeeper getSyncTimer()

onRaftLogCacheHit

public void onRaftLogCacheHit()

onRaftLogCacheMiss

public void onRaftLogCacheMiss()

onRaftLogFlush

public void onRaftLogFlush()

onRaftLogAppendEntry

public void onRaftLogAppendEntry()

startAppendEntryTimer

public Timekeeper.Context startAppendEntryTimer()

getEnqueuedTimer

public Timekeeper getEnqueuedTimer()

startQueuingDelayTimer

public UncheckedAutoCloseable startQueuingDelayTimer()

startTaskExecutionTimer

public UncheckedAutoCloseable startTaskExecutionTimer(Class<?> taskClass)

getReadEntryTimer

public Timekeeper getReadEntryTimer()

startLoadSegmentTimer

public UncheckedAutoCloseable startLoadSegmentTimer()

startPurgeTimer

public UncheckedAutoCloseable startPurgeTimer()

onStateMachineDataWriteTimeout

public void onStateMachineDataWriteTimeout()

onStateMachineDataReadTimeout

public void onStateMachineDataReadTimeout()