com.sleepycat.je
Class LockStats

java.lang.Object
  com.sleepycat.je.LockStats

All Implemented Interfaces:

Serializable

Deprecated. as of 4.0.10, replaced by Environment.getStats(StatsConfig).

public class LockStats
extends Object
implements Serializable

Lock statistics for a database environment.

Note that some of the lock statistics may be expensive to obtain because the lock table is unavailable to other operations while the statistics are gathered. These expensive statistics are only provided if Environment.getLockStats is called with a StatsConfig parameter that has been configured for "slow" stats.

See Also:

Serialized Form

Method Summary

int	getNAcquiresNoWaiters() Deprecated. Number of acquires of lock table latch with no contention.
int	getNAcquiresNoWaitSuccessful() Deprecated. Number of times acquireNoWait() was successfully called for the lock table latch.
int	getNAcquiresNoWaitUnSuccessful() Deprecated. Number of times acquireNoWait() was unsuccessfully called for the lock table latch.
int	getNAcquiresSelfOwned() Deprecated. Number of acquires of lock table latch when it was already owned by the caller.
int	getNAcquiresWithContention() Deprecated. Number of acquires of lock table latch when it was already owned by another thread.
int	getNOwners() Deprecated. Total lock owners in lock table.
int	getNReadLocks() Deprecated. Total read locks currently held.
int	getNReleases() Deprecated. Number of releases of the lock table latch.
long	getNRequests() Deprecated. Total number of lock requests to date.
int	getNTotalLocks() Deprecated. Total locks currently in lock table.
int	getNWaiters() Deprecated. Total transactions waiting for locks.
long	getNWaits() Deprecated. Total number of lock waits to date.
int	getNWriteLocks() Deprecated. Total write locks currently held.
String	toString() Deprecated. For convenience, LockTable.toString will display all stats in an easily readable format.
String	toStringVerbose() Deprecated. Like #toString, display all stats.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

getNOwners

public int getNOwners()

Deprecated.

Total lock owners in lock table. Only provided when Environment.getLockStats is called in "slow" mode.

getNReadLocks

public int getNReadLocks()

Deprecated.

Total read locks currently held. Only provided when Environment.getLockStats is called in "slow" mode.

getNTotalLocks

public int getNTotalLocks()

Deprecated.

Total locks currently in lock table. Only provided when Environment.getLockStats is called in "slow" mode.

getNWaiters

public int getNWaiters()

Deprecated.

Total transactions waiting for locks. Only provided when Environment.getLockStats is called in "slow" mode.

getNWriteLocks

public int getNWriteLocks()

Deprecated.

Total write locks currently held. Only provided when Environment.getLockStats is called in "slow" mode.

getNRequests

public long getNRequests()

Deprecated.

Total number of lock requests to date.

getNWaits

public long getNWaits()

Deprecated.

Total number of lock waits to date.

getNAcquiresNoWaiters

public int getNAcquiresNoWaiters()

Deprecated.

Number of acquires of lock table latch with no contention.

getNAcquiresSelfOwned

public int getNAcquiresSelfOwned()

Deprecated.

Number of acquires of lock table latch when it was already owned by the caller.

getNAcquiresWithContention

public int getNAcquiresWithContention()

Deprecated.

Number of acquires of lock table latch when it was already owned by another thread.

getNAcquiresNoWaitSuccessful

public int getNAcquiresNoWaitSuccessful()

Deprecated.

Number of times acquireNoWait() was successfully called for the lock table latch.

getNAcquiresNoWaitUnSuccessful

public int getNAcquiresNoWaitUnSuccessful()

Deprecated.

Number of times acquireNoWait() was unsuccessfully called for the lock table latch.

getNReleases

public int getNReleases()

Deprecated.

Number of releases of the lock table latch.

toString

public String toString()

Deprecated.

For convenience, LockTable.toString will display all stats in an easily readable format.

Overrides:

toString in class Object

toStringVerbose

public String toStringVerbose()

Deprecated.

Like #toString, display all stats. Includes a description of each stat.