com.sleepycat.db
Class TransactionStats

java.lang.Object
  com.sleepycat.db.TransactionStats

public class TransactionStats

extends Object

Transaction statistics for a database environment.

Nested Class Summary

class

TransactionStats.Active The Active class represents an active transaction.

Method Summary

LogSequenceNumber	getLastCkp() The LSN of the last checkpoint.
int	getLastTxnId() The last transaction ID allocated.
int	getMaxNactive() The maximum number of active transactions at any one time.
int	getMaxTxns() The maximum number of active transactions configured.
int	getNaborts() The number of transactions that have aborted.
int	getNactive() The number of transactions that are currently active.
int	getNumBegins() The number of transactions that have begun.
int	getNumCommits() The number of transactions that have committed.
int	getNumRestores() The number of transactions that have been restored.
int	getRegionNowait() The number of times that a thread of control was able to obtain the region lock without waiting.
int	getRegionWait() The number of times that a thread of control was forced to wait before obtaining the region lock.
int	getRegSize() The size of the region.
long	getTimeCkp() The time the last completed checkpoint finished (as the number of seconds since the Epoch, returned by the IEEE/ANSI Std 1003.1 (POSIX) time interface).
TransactionStats.Active[]	getTxnarray() The array of active transactions.
String	toString() For convenience, the TransactionStats class has a toString method that lists all the data fields.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

getLastCkp

public LogSequenceNumber getLastCkp()

The LSN of the last checkpoint.

getTimeCkp

public long getTimeCkp()

The time the last completed checkpoint finished (as the number of seconds since the Epoch, returned by the IEEE/ANSI Std 1003.1 (POSIX) time interface).

getLastTxnId

public int getLastTxnId()

The last transaction ID allocated.

getMaxTxns

public int getMaxTxns()

The maximum number of active transactions configured.

getNaborts

public int getNaborts()

The number of transactions that have aborted.

getNumBegins

public int getNumBegins()

The number of transactions that have begun.

getNumCommits

public int getNumCommits()

The number of transactions that have committed.

getNactive

public int getNactive()

The number of transactions that are currently active.

getNumRestores

public int getNumRestores()

The number of transactions that have been restored.

getMaxNactive

public int getMaxNactive()

The maximum number of active transactions at any one time.

getRegionWait

public int getRegionWait()

The number of times that a thread of control was forced to wait before obtaining the region lock.

getRegionNowait

public int getRegionNowait()

The number of times that a thread of control was able to obtain the region lock without waiting.

getRegSize

public int getRegSize()

The size of the region.

getTxnarray

public TransactionStats.Active[] getTxnarray()

The array of active transactions.

toString

public String toString()

For convenience, the TransactionStats class has a toString method that lists all the data fields.