com.sleepycat.db
Class DbTxnStat

java.lang.Object
  |
  +--com.sleepycat.db.DbTxnStat

public class DbTxnStat

extends Object

The DbTxnStat object is used to return transaction subsystem statistics.

Nested Class Summary

static class

DbTxnStat.Active

Field Summary

DbLsn	st_last_ckp The LSN of the last checkpoint.
int	st_last_txnid The last transaction ID allocated.
int	st_maxnactive The maximum number of active transactions at any one time.
int	st_maxtxns The maximum number of active transactions configured.
int	st_naborts The number of transactions that have aborted.
int	st_nactive The number of transactions that are currently active.
int	st_nbegins The number of transactions that have begun.
int	st_ncommits The number of transactions that have committed.
int	st_nrestores The number of transactions that have been restored.
int	st_region_nowait The number of times that a thread of control was able to obtain the region lock without waiting.
int	st_region_wait The number of times that a thread of control was forced to wait before obtaining the region lock.
int	st_regsize The size of the region.
long	st_time_ckp 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 function).
DbTxnStat.Active[]	st_txnarray

Constructor Summary

DbTxnStat()

Method Summary

String

toString() Provide a string representation of all the fields contained within this class.

Methods inherited from class java.lang.Object

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

Field Detail

st_last_ckp

public DbLsn st_last_ckp

The LSN of the last checkpoint.

st_time_ckp

public long st_time_ckp

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 function).

st_last_txnid

public int st_last_txnid

The last transaction ID allocated.

st_maxtxns

public int st_maxtxns

The maximum number of active transactions configured.

st_naborts

public int st_naborts

The number of transactions that have aborted.

st_nbegins

public int st_nbegins

The number of transactions that have begun.

st_ncommits

public int st_ncommits

The number of transactions that have committed.

st_nactive

public int st_nactive

The number of transactions that are currently active.

st_nrestores

public int st_nrestores

The number of transactions that have been restored.

st_maxnactive

public int st_maxnactive

The maximum number of active transactions at any one time.

st_txnarray

public DbTxnStat.Active[] st_txnarray

st_region_wait

public int st_region_wait

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

st_region_nowait

public int st_region_nowait

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

st_regsize

public int st_regsize

The size of the region.

Constructor Detail

DbTxnStat

public DbTxnStat()

Method Detail

toString

public String toString()

Provide a string representation of all the fields contained within this class.

Overrides:

toString in class Object

Returns:

The string representation.