LogMinerMetrics (Debezium Connector for Oracle 1.4.0.Alpha1 API)

java.lang.Object
- io.debezium.metrics.Metrics
- - io.debezium.connector.oracle.logminer.LogMinerMetrics

All Implemented Interfaces:: LogMinerMetricsMXBean

@ThreadSafe
public class LogMinerMetrics
extends io.debezium.metrics.Metrics
implements LogMinerMetricsMXBean

This class contains methods to be exposed via MBean server

Field Summary

Fields
Modifier and Type	Field and Description
`private AtomicReference<Duration>`	`averageLogMinerQueryDuration`
`private AtomicReference<Duration>`	`averageProcessedCapturedBatchDuration`
`private AtomicInteger`	`batchSize`
`private AtomicInteger`	`capturedDmlCount`
`private AtomicReference<String[]>`	`currentLogFileName`
`private AtomicLong`	`currentScn`
`private static int`	`DEFAULT_BATCH_SIZE`
`private static int`	`DEFAULT_SLEEP_TIME`
`private AtomicReference<Duration>`	`lastLogMinerQueryDuration`
`private AtomicReference<Duration>`	`lastProcessedCapturedBatchDuration`
`private AtomicInteger`	`logMinerQueryCount`
`private static int`	`MAX_BATCH_SIZE`
`private static int`	`MAX_SLEEP_TIME`
`private AtomicInteger`	`millisecondToSleepBetweenMiningQuery`
`private static int`	`MIN_BATCH_SIZE`
`private static int`	`MIN_SLEEP_TIME`
`private AtomicInteger`	`processedCapturedBatchCount`
`private AtomicReference<String[]>`	`redoLogStatus`
`private static int`	`SLEEP_TIME_INCREMENT`
`private AtomicInteger`	`switchCounter`

Constructor Summary

Constructors
Constructor and Description

LogMinerMetrics(io.debezium.connector.common.CdcSourceTaskContext taskContext)

Constructors
Constructor and Description
`LogMinerMetrics(io.debezium.connector.common.CdcSourceTaskContext taskContext)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`changeSleepingTime(boolean increment)` change sleeping time
`Long`	`getAverageLogMinerQueryDuration()`
`Long`	`getAverageProcessedCapturedBatchDuration()`
`int`	`getBatchSize()` Maximum number of entries in Log Miner view to fetch.
`int`	`getCapturedDmlCount()`
`String[]`	`getCurrentRedoLogFileName()` Exposes current redo log file.
`Long`	`getCurrentScn()` Exposes current SCN in the database.
`Long`	`getLastLogMinerQueryDuration()`
`Long`	`getLastProcessedCapturedBatchDuration()` Log Miner view query returns number of captured DML , Commit and Rollback.
`int`	`getLogMinerQueryCount()`
`Integer`	`getMillisecondToSleepBetweenMiningQuery()`
`int`	`getProcessedCapturedBatchCount()` Log Miner view query returns number of captured DML , Commit and Rollback.
`String[]`	`getRedoLogStatus()` Exposes states of redo logs: current, active, inactive, unused ...
`int`	`getSwitchCounter()` fetches counter of redo switches for the last day.
`void`	`incrementCapturedDmlCount()`
`void`	`setBatchSize(int size)` this gives ability to manipulate number of entries in Log Miner view to fetch.
`void`	`setCurrentLogFileName(Set<String> names)`
`void`	`setCurrentScn(Long scn)`
`private void`	`setDurationMetrics(Duration duration, AtomicReference<Duration> lastDuration, AtomicInteger counter, AtomicReference<Duration> averageDuration)`
`void`	`setLastLogMinerQueryDuration(Duration fetchDuration)`
`void`	`setMillisecondToSleepBetweenMiningQuery(Integer milliseconds)` sets number of milliseconds for connector to sleep before fetching another batch from the Log Miner view
`void`	`setProcessedCapturedBatchDuration(Duration processDuration)`
`void`	`setRedoLogStatus(Map<String,String> status)`
`void`	`setSwitchCount(int counter)`
`String`	`toString()`

Methods inherited from class io.debezium.metrics.Metrics
metricName, register, unregister

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

- Field Detail
  - MAX_SLEEP_TIME
```
private static final int MAX_SLEEP_TIME
```
    See Also:
    
    Constant Field Values
  - DEFAULT_SLEEP_TIME
```
private static final int DEFAULT_SLEEP_TIME
```
    See Also:
    
    Constant Field Values
  - MIN_SLEEP_TIME
```
private static final int MIN_SLEEP_TIME
```
    See Also:
    
    Constant Field Values
  - MIN_BATCH_SIZE
```
private static final int MIN_BATCH_SIZE
```
    See Also:
    
    Constant Field Values
  - MAX_BATCH_SIZE
```
private static final int MAX_BATCH_SIZE
```
    See Also:
    
    Constant Field Values
  - DEFAULT_BATCH_SIZE
```
private static final int DEFAULT_BATCH_SIZE
```
    See Also:
    
    Constant Field Values
  - SLEEP_TIME_INCREMENT
```
private static final int SLEEP_TIME_INCREMENT
```
    See Also:
    
    Constant Field Values
  - currentScn
```
private final AtomicLong currentScn
```
  - capturedDmlCount
```
private final AtomicInteger capturedDmlCount
```
  - currentLogFileName
```
private final AtomicReference<String[]> currentLogFileName
```
  - redoLogStatus
```
private final AtomicReference<String[]> redoLogStatus
```
  - switchCounter
```
private final AtomicInteger switchCounter
```
  - lastLogMinerQueryDuration
```
private final AtomicReference<Duration> lastLogMinerQueryDuration
```
  - averageLogMinerQueryDuration
```
private final AtomicReference<Duration> averageLogMinerQueryDuration
```
  - logMinerQueryCount
```
private final AtomicInteger logMinerQueryCount
```
  - lastProcessedCapturedBatchDuration
```
private final AtomicReference<Duration> lastProcessedCapturedBatchDuration
```
  - processedCapturedBatchCount
```
private final AtomicInteger processedCapturedBatchCount
```
  - averageProcessedCapturedBatchDuration
```
private final AtomicReference<Duration> averageProcessedCapturedBatchDuration
```
  - batchSize
```
private final AtomicInteger batchSize
```
  - millisecondToSleepBetweenMiningQuery
```
private final AtomicInteger millisecondToSleepBetweenMiningQuery
```
- Constructor Detail
  - LogMinerMetrics
```
LogMinerMetrics(io.debezium.connector.common.CdcSourceTaskContext taskContext)
```
- Method Detail
  - setCurrentScn
```
public void setCurrentScn(Long scn)
```
  - incrementCapturedDmlCount
```
public void incrementCapturedDmlCount()
```
  - setCurrentLogFileName
```
public void setCurrentLogFileName(Set<String> names)
```
  - setRedoLogStatus
```
public void setRedoLogStatus(Map<String,String> status)
```
  - setSwitchCount
```
public void setSwitchCount(int counter)
```
  - setLastLogMinerQueryDuration
```
public void setLastLogMinerQueryDuration(Duration fetchDuration)
```
  - setProcessedCapturedBatchDuration
```
public void setProcessedCapturedBatchDuration(Duration processDuration)
```
  - getCurrentScn
```
public Long getCurrentScn()
```
    Description copied from interface: LogMinerMetricsMXBean
    
    Exposes current SCN in the database. This is very efficient query and will not affect overall performance
    
    Specified by:
    
    getCurrentScn in interface LogMinerMetricsMXBean
    
    Returns:
    
    current SCN
  - getCapturedDmlCount
```
public int getCapturedDmlCount()
```
    Specified by:
    
    getCapturedDmlCount in interface LogMinerMetricsMXBean
    
    Returns:
    
    number of captured DML since the connector is up
  - getCurrentRedoLogFileName
```
public String[] getCurrentRedoLogFileName()
```
    Description copied from interface: LogMinerMetricsMXBean
    
    Exposes current redo log file. This is very efficient query and will not affect overall performance
    
    Specified by:
    
    getCurrentRedoLogFileName in interface LogMinerMetricsMXBean
    
    Returns:
    
    full path or NULL if an exception occurs.
  - getRedoLogStatus
```
public String[] getRedoLogStatus()
```
    Description copied from interface: LogMinerMetricsMXBean
    
    Exposes states of redo logs: current, active, inactive, unused ...
    
    Specified by:
    
    getRedoLogStatus in interface LogMinerMetricsMXBean
    
    Returns:
    
    array of: (redo log name | status) elements
  - getSwitchCounter
```
public int getSwitchCounter()
```
    Description copied from interface: LogMinerMetricsMXBean
    
    fetches counter of redo switches for the last day. If this number is high , like once in 3 minutes, the troubleshooting on the database level is required.
    
    Specified by:
    
    getSwitchCounter in interface LogMinerMetricsMXBean
    
    Returns:
    
    counter
  - getLastLogMinerQueryDuration
```
public Long getLastLogMinerQueryDuration()
```
    Specified by:
    
    getLastLogMinerQueryDuration in interface LogMinerMetricsMXBean
    
    Returns:
    
    number of milliseconds last Log Miner query took
  - getAverageLogMinerQueryDuration
```
public Long getAverageLogMinerQueryDuration()
```
    Specified by:
    
    getAverageLogMinerQueryDuration in interface LogMinerMetricsMXBean
    
    Returns:
    
    average duration of Log Miner view query
  - getLastProcessedCapturedBatchDuration
```
public Long getLastProcessedCapturedBatchDuration()
```
    Description copied from interface: LogMinerMetricsMXBean
    
    Log Miner view query returns number of captured DML , Commit and Rollback. This is what we call a batch.
    
    Specified by:
    
    getLastProcessedCapturedBatchDuration in interface LogMinerMetricsMXBean
    
    Returns:
    
    duration of the last batch processing, which includes parsing and dispatching
  - getLogMinerQueryCount
```
public int getLogMinerQueryCount()
```
    Specified by:
    
    getLogMinerQueryCount in interface LogMinerMetricsMXBean
    
    Returns:
    
    number of Log Miner view queries since the connector is up
  - getProcessedCapturedBatchCount
```
public int getProcessedCapturedBatchCount()
```
    Description copied from interface: LogMinerMetricsMXBean
    
    Log Miner view query returns number of captured DML , Commit and Rollback. This is what we call a batch.
    
    Specified by:
    
    getProcessedCapturedBatchCount in interface LogMinerMetricsMXBean
    
    Returns:
    
    number of all processed batches , which includes parsing and dispatching
  - getAverageProcessedCapturedBatchDuration
```
public Long getAverageProcessedCapturedBatchDuration()
```
    Specified by:
    
    getAverageProcessedCapturedBatchDuration in interface LogMinerMetricsMXBean
    
    Returns:
    
    average time of processing captured batch from Log Miner view
  - getBatchSize
```
public int getBatchSize()
```
    Description copied from interface: LogMinerMetricsMXBean
    
    Maximum number of entries in Log Miner view to fetch. This is used to set the diapason of the SCN in mining query. If difference between "start SCN" and "end SCN" to mine exceeds this limit, end SCN will be set to "start SCN" + batchSize
    
    Specified by:
    
    getBatchSize in interface LogMinerMetricsMXBean
    
    Returns:
    
    the limit
  - getMillisecondToSleepBetweenMiningQuery
```
public Integer getMillisecondToSleepBetweenMiningQuery()
```
    Specified by:
    
    getMillisecondToSleepBetweenMiningQuery in interface LogMinerMetricsMXBean
    
    Returns:
    
    number of milliseconds for connector to sleep before fetching another batch from the Log Miner view
  - setBatchSize
```
public void setBatchSize(int size)
```
    Description copied from interface: LogMinerMetricsMXBean
    
    this gives ability to manipulate number of entries in Log Miner view to fetch. It has limits to prevent abnormal values
    
    Specified by:
    
    setBatchSize in interface LogMinerMetricsMXBean
    
    Parameters:
    
    size - limit
  - setMillisecondToSleepBetweenMiningQuery
```
public void setMillisecondToSleepBetweenMiningQuery(Integer milliseconds)
```
    Description copied from interface: LogMinerMetricsMXBean
    
    sets number of milliseconds for connector to sleep before fetching another batch from the Log Miner view
    
    Specified by:
    
    setMillisecondToSleepBetweenMiningQuery in interface LogMinerMetricsMXBean
    
    Parameters:
    
    milliseconds - to sleep
  - changeSleepingTime
```
public void changeSleepingTime(boolean increment)
```
    Description copied from interface: LogMinerMetricsMXBean
    
    change sleeping time
    
    Specified by:
    
    changeSleepingTime in interface LogMinerMetricsMXBean
    
    Parameters:
    
    increment - true to add, false to deduct
  - setDurationMetrics
```
private void setDurationMetrics(Duration duration,
                                AtomicReference<Duration> lastDuration,
                                AtomicInteger counter,
                                AtomicReference<Duration> averageDuration)
```
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object

Class LogMinerMetrics

Field Summary

Constructor Summary

Method Summary

Methods inherited from class io.debezium.metrics.Metrics

Methods inherited from class java.lang.Object

Field Detail

MAX_SLEEP_TIME

DEFAULT_SLEEP_TIME

MIN_SLEEP_TIME

MIN_BATCH_SIZE

MAX_BATCH_SIZE

DEFAULT_BATCH_SIZE

SLEEP_TIME_INCREMENT

currentScn

capturedDmlCount

currentLogFileName

redoLogStatus

switchCounter

lastLogMinerQueryDuration

averageLogMinerQueryDuration

logMinerQueryCount

lastProcessedCapturedBatchDuration

processedCapturedBatchCount

averageProcessedCapturedBatchDuration

batchSize

millisecondToSleepBetweenMiningQuery

Constructor Detail

LogMinerMetrics

Method Detail

setCurrentScn

incrementCapturedDmlCount

setCurrentLogFileName

setRedoLogStatus

setSwitchCount

setLastLogMinerQueryDuration

setProcessedCapturedBatchDuration

getCurrentScn

getCapturedDmlCount

getCurrentRedoLogFileName

getRedoLogStatus

getSwitchCounter

getLastLogMinerQueryDuration

getAverageLogMinerQueryDuration

getLastProcessedCapturedBatchDuration

getLogMinerQueryCount

getProcessedCapturedBatchCount

getAverageProcessedCapturedBatchDuration

getBatchSize

getMillisecondToSleepBetweenMiningQuery

setBatchSize

setMillisecondToSleepBetweenMiningQuery

changeSleepingTime

setDurationMetrics

toString