TransactionalBufferMetricsMXBean (Debezium Connector for Oracle 1.5.0.Alpha1 API)

All Known Implementing Classes:

TransactionalBufferMetrics
```
public interface TransactionalBufferMetricsMXBean
```
This interface exposes TransactionalBuffer metrics

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`Set<String>`	`getAbandonedTransactionIds()` This is to get list of removed transactions from the Transactional Buffer
`int`	`getCommitQueueCapacity()` Gets commit queue capacity.
`Long`	`getCommittedScn()` It shows last committed SCN
`long`	`getCommitThroughput()` Exposes average number of committed transactions per second
`int`	`getErrorCounter()` This is to get logged logError counter.
`long`	`getLagFromSource()` This is to get the lag between latest captured change timestamp in REDO LOG and time of it's placement in the buffer
`Long`	`getLastCommitDuration()` Get time duration taken my executing all callbacks for the commit
`Long`	`getMaxCommitDuration()` Get max time duration taken my executing all callbacks
`long`	`getMaxLagFromSource()` This is to get max value of the time difference between logging of source DB records into redo log and capturing it by LogMiner
`long`	`getMinLagFromSource()` This is to get min value of the time difference between logging of source DB records into redo log and capturing it by LogMiner
`int`	`getNumberOfActiveTransactions()` Exposes number of transaction, buffered in memory
`long`	`getNumberOfCommittedTransactions()` Exposes number of committed transactions
`long`	`getNumberOfRolledBackTransactions()` Exposes number of rolled back transactions
`Long`	`getOffsetScn()` Get the offset SCN
`Long`	`getOldestScn()` Exposes the oldest(smallest) SCN in the Transactional Buffer
`long`	`getRegisteredDmlCount()` Exposes total number of registered DML operations
`Set<String>`	`getRolledBackTransactionIds()` See which transactions were rolled back
`int`	`getScnFreezeCounter()` Get counter of encountered observations when SCN does not change in the offset.
`int`	`getWarningCounter()` This is to get logged warning counter
`void`	`reset()` Reset metrics

- Method Detail
  - getNumberOfRolledBackTransactions
```
long getNumberOfRolledBackTransactions()
```
    Exposes number of rolled back transactions
    
    Returns:
    
    number of rolled back transaction in the in-memory buffer
  - getNumberOfCommittedTransactions
```
long getNumberOfCommittedTransactions()
```
    Exposes number of committed transactions
    
    Returns:
    
    number of committed transaction in the in-memory buffer
  - getCommitThroughput
```
long getCommitThroughput()
```
    Exposes average number of committed transactions per second
    
    Returns:
    
    average number of committed transactions per second in the in-memory buffer
  - getRegisteredDmlCount
```
long getRegisteredDmlCount()
```
    Exposes total number of registered DML operations
    
    Returns:
    
    registered DML count
  - getNumberOfActiveTransactions
```
int getNumberOfActiveTransactions()
```
    Exposes number of transaction, buffered in memory
    
    Returns:
    
    number of currently buffered transactions
  - getOldestScn
```
Long getOldestScn()
```
    Exposes the oldest(smallest) SCN in the Transactional Buffer
    
    Returns:
    
    oldest SCN
  - getCommittedScn
```
Long getCommittedScn()
```
    It shows last committed SCN
    
    Returns:
    
    committed SCN
  - getOffsetScn
```
Long getOffsetScn()
```
    Get the offset SCN
    
    Returns:
    
    offset SCN
  - getLagFromSource
```
long getLagFromSource()
```
    This is to get the lag between latest captured change timestamp in REDO LOG and time of it's placement in the buffer
    
    Returns:
    
    lag in milliseconds
  - getMaxLagFromSource
```
long getMaxLagFromSource()
```
    This is to get max value of the time difference between logging of source DB records into redo log and capturing it by LogMiner
    
    Returns:
    
    value in milliseconds
  - getMinLagFromSource
```
long getMinLagFromSource()
```
    This is to get min value of the time difference between logging of source DB records into redo log and capturing it by LogMiner
    
    Returns:
    
    value in milliseconds
  - getAbandonedTransactionIds
```
Set<String> getAbandonedTransactionIds()
```
    This is to get list of removed transactions from the Transactional Buffer
    
    Returns:
    
    count abandoned transaction ids
  - getRolledBackTransactionIds
```
Set<String> getRolledBackTransactionIds()
```
    See which transactions were rolled back
    
    Returns:
    
    set of transaction IDs
  - getCommitQueueCapacity
```
int getCommitQueueCapacity()
```
    Gets commit queue capacity. As the queue fills up, this reduces to zero
    
    Returns:
    
    the commit queue capacity
  - reset
```
void reset()
```
    Reset metrics
  - getErrorCounter
```
int getErrorCounter()
```
    This is to get logged logError counter.
    
    Returns:
    
    the error counter
  - getWarningCounter
```
int getWarningCounter()
```
    This is to get logged warning counter
    
    Returns:
    
    the warning counter
  - getScnFreezeCounter
```
int getScnFreezeCounter()
```
    Get counter of encountered observations when SCN does not change in the offset.
    
    Returns:
    
    the scn freeze counter
  - getLastCommitDuration
```
Long getLastCommitDuration()
```
    Get time duration taken my executing all callbacks for the commit
    
    Returns:
    
    milliseconds
  - getMaxCommitDuration
```
Long getMaxCommitDuration()
```
    Get max time duration taken my executing all callbacks
    
    Returns:
    
    milliseconds

Interface TransactionalBufferMetricsMXBean

Method Summary

Method Detail

getNumberOfRolledBackTransactions

getNumberOfCommittedTransactions

getCommitThroughput

getRegisteredDmlCount

getNumberOfActiveTransactions

getOldestScn

getCommittedScn

getOffsetScn

getLagFromSource

getMaxLagFromSource

getMinLagFromSource

getAbandonedTransactionIds

getRolledBackTransactionIds

getCommitQueueCapacity

reset

getErrorCounter

getWarningCounter

getScnFreezeCounter

getLastCommitDuration

getMaxCommitDuration