Package io.debezium.connector.oracle.logminer

Interface LogMinerStreamingChangeEventSourceMetricsMXBean

All Superinterfaces:
ChangeEventSourceMetricsMXBean, CommonEventMetricsMXBean, ConnectionMetricsMXBean, OracleCommonStreamingChangeEventSourceMetricsMXBean, QueueMetricsMXBean, SchemaMetricsMXBean, StreamingChangeEventSourceMetricsMXBean, StreamingMetricsMXBean
All Known Implementing Classes:
LogMinerStreamingChangeEventSourceMetrics
public interface LogMinerStreamingChangeEventSourceMetricsMXBean extends OracleCommonStreamingChangeEventSourceMetricsMXBean
Oracle Streaming Metrics for Oracle LogMiner.
Author:
Chris Cranford

  • Method Details

    • getCurrentRedoLogFileName

      @Deprecated default String[] getCurrentRedoLogFileName()
      Deprecated.
      to be removed in Debezium 2.7, replaced by getCurrentLogFileNames()
      Returns:
      array of currently mined log files

    • getRedoLogStatus

      @Deprecated default String[] getRedoLogStatus()
      Deprecated.
      to be removed in Debezium 2.7, replaced by getRedoLogStatuses()
      Returns:
      array of log files and their respective statues in Oracle

    • getSwitchCounter

      @Deprecated default int getSwitchCounter()
      Deprecated.
      to be removed in Debezium 2.7, replaced by getLogSwitchCount()
      Returns:
      number of log switches observed in the last day

    • getFetchingQueryCount

      @Deprecated default long getFetchingQueryCount()
      Deprecated.
      to be removed in Debezium 2.7, replaced by getFetchQueryCount()
      Returns:
      number of LogMiner queries executed by the connector

    • getHoursToKeepTransactionInBuffer

      @Deprecated default int getHoursToKeepTransactionInBuffer()
      Deprecated.
      to be removed in Debezium 2.7, replaced by getMillisecondsToKeepTransactionsInBuffer()
      Returns:
      duration in hours that transactions are retained in the transaction buffer

    • getTotalProcessingTimeInMilliseconds

      @Deprecated default long getTotalProcessingTimeInMilliseconds()
      Deprecated.
      to be removed in Debezium 2.7, replaced by getTotalBatchProcessingTimeInMilliseconds()
      Returns:
      total duration in milliseconds for processing all LogMiner query batches

    • getRegisteredDmlCount

      @Deprecated default long getRegisteredDmlCount()
      Deprecated.
      to be removed in Debezium 2.7, replaced by getTotalChangesCount()
      Returns:
      total number of change events

    • getMillisecondsToSleepBetweenMiningQuery

      @Deprecated default long getMillisecondsToSleepBetweenMiningQuery()
      Deprecated.
      to be removed in Debezium 2.7, replaced by getSleepTimeInMilliseconds()
      Returns:
      number of milliseconds to sleep between each LogMiner query

    • getNetworkConnectionProblemsCounter

      @Deprecated default long getNetworkConnectionProblemsCounter()
      Deprecated.
      to be removed in Debezium 2.7 with no replacement
      Specified by:
      getNetworkConnectionProblemsCounter in interface OracleCommonStreamingChangeEventSourceMetricsMXBean
      Returns:
      total number of network problems

    • getMillisecondsToKeepTransactionsInBuffer

      long getMillisecondsToKeepTransactionsInBuffer()
      Specifies the number of milliseconds that transactions are retained in the transaction buffer before the connector discards them due to their age. When set to 0, transactions are retained until they are either committed or rolled back.
      Returns:
      number of milliseconds that transactions are buffered before being discarded

    • getSleepTimeInMilliseconds

      long getSleepTimeInMilliseconds()
      Returns:
      number of milliseconds that the connector sleeps between LogMiner queries

    • getCurrentScn

      BigInteger getCurrentScn()
      Returns:
      the current system change number of the database

    • getOffsetScn

      BigInteger getOffsetScn()
      Oracle maintains two watermarks, a low and high system change number watermark. The low watermark is the offset system change number, which represents the position in the logs where the connector will begin reading changes upon restart.
      Returns:
      the system change number where the connector will start from on restarts

    • getCommittedScn

      BigInteger getCommittedScn()
      Oracle maintains two watermarks, a low and high system change number watermark. The high watermark is the commit system change number, which represents the position in the logs where the last transaction commit occurred. This system change number is used to avoid dispatching any transaction that committed before this system change number.
      Returns:
      the system change number where the connector last observed a commit

    • getOldestScn

      BigInteger getOldestScn()
      Returns:
      oldest system change number currently in the transaction buffer

    • getOldestScnAgeInMilliseconds

      long getOldestScnAgeInMilliseconds()
      Returns:
      age in milliseconds of the oldest system change number in the transaction buffer

    • getCurrentLogFileNames

      String[] getCurrentLogFileNames()
      Returns:
      array of current filenames to be used by the mining session

    • getBatchSize

      int getBatchSize()
      Specifies the maximum gap between the start and end system change number range used for querying changes from LogMiner.
      Returns:
      the LogMiner query batch size

    • getMinimumMinedLogCount

      long getMinimumMinedLogCount()
      Returns:
      the minimum number of logs used by a mining session

    • getMaximumMinedLogCount

      long getMaximumMinedLogCount()
      Returns:
      the maximum number of logs used by a mining session

    • getRedoLogStatuses

      String[] getRedoLogStatuses()
      Exposes states of redo logs: current, active, inactive, unused ...
      Returns:
      array of: (redo log name | status) elements

    • getLogSwitchCount

      int getLogSwitchCount()
      Returns:
      the number of redo log switches for the current day

    • getTotalProcessedRows

      long getTotalProcessedRows()
      Returns:
      the total number of database rows processed from LogMiner

    • getNumberOfActiveTransactions

      long getNumberOfActiveTransactions()
      Returns:
      number of current active transactions in the transaction buffer

    • getNumberOfRolledBackTransactions

      long getNumberOfRolledBackTransactions()
      Returns:
      number of transactions seen that were rolled back

    • getNumberOfOversizedTransactions

      long getNumberOfOversizedTransactions()
      Returns:
      number of discarded transactions due to exceeding max event size

    • getTotalChangesCount

      long getTotalChangesCount()
      Returns:
      total number of changes seen by the connector.

    • getFetchQueryCount

      long getFetchQueryCount()
      Returns:
      number of LogMiner queries executed.

    • getScnFreezeCount

      long getScnFreezeCount()
      Returns:
      number of times the system change number does not change over consecutive LogMiner queries

    • getLastDurationOfFetchQueryInMilliseconds

      long getLastDurationOfFetchQueryInMilliseconds()
      Returns:
      duration of the last LogMiner query execution in milliseconds

    • getMaxDurationOfFetchQueryInMilliseconds

      long getMaxDurationOfFetchQueryInMilliseconds()
      Returns:
      maximum duration across all LogMiner queries executed in milliseconds

    • getLastBatchProcessingTimeInMilliseconds

      long getLastBatchProcessingTimeInMilliseconds()
      Returns:
      duration for processing the results of the last LogMiner query in milliseconds

    • getMinBatchProcessingTimeInMilliseconds

      long getMinBatchProcessingTimeInMilliseconds()
      Returns:
      minimum duration in milliseconds for processing results from a LogMiner query

    • getMaxBatchProcessingTimeInMilliseconds

      long getMaxBatchProcessingTimeInMilliseconds()
      Returns:
      maximum duration in milliseconds for processing results from a LogMiner query

    • getTotalBatchProcessingTimeInMilliseconds

      long getTotalBatchProcessingTimeInMilliseconds()
      Returns:
      total duration in milliseconds for processing results for all LogMiner queries

    • getCommitThroughput

      long getCommitThroughput()
      Returns:
      average number of committed transactions per second in the transaction buffer

    • getLastBatchProcessingThroughput

      long getLastBatchProcessingThroughput()
      Returns:
      throughput per second for last LogMiner session

    • getMaxBatchProcessingThroughput

      long getMaxBatchProcessingThroughput()
      Returns:
      maximum throughput per second across all LogMiner sessions

    • getAverageBatchProcessingThroughput

      long getAverageBatchProcessingThroughput()
      Returns:
      average throughput per second across all LogMiner sessions

    • getLastCommitDurationInMilliseconds

      long getLastCommitDurationInMilliseconds()
      Returns:
      duration for processing the last transaction commit in milliseconds

    • getMaxCommitDurationInMilliseconds

      long getMaxCommitDurationInMilliseconds()
      Returns:
      maximum duration for processing a transaction commit in milliseconds

    • getLastMiningSessionStartTimeInMilliseconds

      long getLastMiningSessionStartTimeInMilliseconds()
      Returns:
      duration in milliseconds for the last LogMiner session start-up and data dictionary load

    • getMaxMiningSessionStartTimeInMilliseconds

      long getMaxMiningSessionStartTimeInMilliseconds()
      Returns:
      maximum duration in milliseconds for a LogMiner session start-up and data dictionary load

    • getTotalMiningSessionStartTimeInMilliseconds

      long getTotalMiningSessionStartTimeInMilliseconds()
      Returns:
      total duration in milliseconds for all LogMiner session start-ups and data dictionary loads

    • getTotalParseTimeInMilliseconds

      long getTotalParseTimeInMilliseconds()
      Returns:
      total duration in milliseconds for parsing SQL statements

    • getTotalResultSetNextTimeInMilliseconds

      long getTotalResultSetNextTimeInMilliseconds()
      Each time a row is processed, the connector makes a call to the underlying JDBC driver to fetch the next row and sometimes this fetch may need to make a round-trip to the database to get the next batch of rows. This metric tracks the total time spent in milliseconds for this particular call over the lifetime of the connector.
      Returns:
      total duration in milliseconds for all ResultSet#next calls

    • getLagFromSourceInMilliseconds

      long getLagFromSourceInMilliseconds()
      Returns the time in milliseconds between when the database captured the change and when the change is placed into the transaction buffer by the connector.
      Returns:
      duration of the lag from the source database in milliseconds

    • getMinLagFromSourceInMilliseconds

      long getMinLagFromSourceInMilliseconds()
      Returns the minimum time difference in milliseconds between the database capture time and the time when the event is placed into the transaction buffer by the connector.
      Returns:
      minimum duration of the lag from the source database in milliseconds

    • getMaxLagFromSourceInMilliseconds

      long getMaxLagFromSourceInMilliseconds()
      Returns the maximum time difference in milliseconds between the database capture time and the time when the event is placed into the transaction buffer by the connector.
      Returns:
      maximum duration of the lag from the source database in milliseconds

    • getMiningSessionUserGlobalAreaMemoryInBytes

      long getMiningSessionUserGlobalAreaMemoryInBytes()
      Returns:
      the current mining session's UGA memory usage in bytes.

    • getMiningSessionUserGlobalAreaMaxMemoryInBytes

      long getMiningSessionUserGlobalAreaMaxMemoryInBytes()
      Returns:
      the current mining session's UGA maximum memory usage in bytes.

    • getMiningSessionProcessGlobalAreaMemoryInBytes

      long getMiningSessionProcessGlobalAreaMemoryInBytes()
      Returns:
      the current mining session's PGA memory usage in bytes.

    • getMiningSessionProcessGlobalAreaMaxMemoryInBytes

      long getMiningSessionProcessGlobalAreaMaxMemoryInBytes()
      Returns:
      the current mining session's PGA maximum memory usage in bytes.

    • getAbandonedTransactionIds

      Set<String> getAbandonedTransactionIds()
      Returns:
      most recent transaction identifiers that were abandoned

    • getRolledBackTransactionIds

      Set<String> getRolledBackTransactionIds()
      Returns:
      most recent transaction identifiers that were rolled back