DOC HOME SITE MAP MAN PAGES GNU INFO SEARCH PRINT BOOK
 
Berkeley DB
version 4.4.20

com.sleepycat.db
Class TransactionStats

java.lang.Object
  extended bycom.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
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Method Detail

toString

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


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.


Berkeley DB
version 4.4.20

Copyright (c) 1996-2005 Sleepycat Software, Inc. - All rights reserved.