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com.sleepycat.db
Class LockStats

java.lang.Object
  com.sleepycat.db.LockStats

All Implemented Interfaces:

Serializable

public class LockStats

extends Object

implements Serializable

Lock statistics for a database environment.

See Also:

Serialized Form

Method Summary

int	getCurMaxId()
int	getId() The last allocated locker ID.
int	getLockNowait() The number of lock requests not immediately available due to conflicts, for which the thread of control did not wait.
int	getLockTimeout() Lock timeout value.
int	getLockWait() The number of lock requests not immediately available due to conflicts, for which the thread of control waited.
int	getMaxLockers() The maximum number of lockers possible.
int	getMaxLocks() The maximum number of locks possible.
int	getMaxNlockers() The maximum number of lockers at any one time.
int	getMaxNlocks() The maximum number of locks at any one time.
int	getMaxNobjects() The maximum number of lock objects at any one time.
int	getMaxObjects() The maximum number of lock objects possible.
int	getNobjects() The number of current lock objects.
int	getNumDeadlocks() The number of deadlocks.
int	getNumDowngrade() The total number of locks downgraded.
int	getNumLockers() The number of current lockers.
int	getNumLocks() The number of current locks.
int	getNumLockTimeouts() The number of lock requests that have timed out.
int	getNumModes() The number of lock modes.
int	getNumReleases() The total number of locks released.
int	getNumRequests() The total number of locks requested.
int	getNumTxnTimeouts() The number of transactions that have timed out.
int	getNumUpgrade() The total number of locks upgraded.
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 lock region.
int	getTxnTimeout() Transaction timeout value.
String	toString() For convenience, the LockStats 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 LockStats class has a toString method that lists all the data fields.

getId

public int getId()

The last allocated locker ID.

getCurMaxId

public int getCurMaxId()

getMaxLocks

public int getMaxLocks()

The maximum number of locks possible.

getMaxLockers

public int getMaxLockers()

The maximum number of lockers possible.

getMaxObjects

public int getMaxObjects()

The maximum number of lock objects possible.

getNumModes

public int getNumModes()

The number of lock modes.

getNumLocks

public int getNumLocks()

The number of current locks.

getMaxNlocks

public int getMaxNlocks()

The maximum number of locks at any one time.

getNumLockers

public int getNumLockers()

The number of current lockers.

getMaxNlockers

public int getMaxNlockers()

The maximum number of lockers at any one time.

getNobjects

public int getNobjects()

The number of current lock objects.

getMaxNobjects

public int getMaxNobjects()

The maximum number of lock objects at any one time.

getLockWait

public int getLockWait()

The number of lock requests not immediately available due to conflicts, for which the thread of control waited.

getNumRequests

public int getNumRequests()

The total number of locks requested.

getNumReleases

public int getNumReleases()

The total number of locks released.

getLockNowait

public int getLockNowait()

The number of lock requests not immediately available due to conflicts, for which the thread of control did not wait.

getNumDeadlocks

public int getNumDeadlocks()

The number of deadlocks.

getNumDowngrade

public int getNumDowngrade()

The total number of locks downgraded.

getLockTimeout

public int getLockTimeout()

Lock timeout value.

getNumLockTimeouts

public int getNumLockTimeouts()

The number of lock requests that have timed out.

getTxnTimeout

public int getTxnTimeout()

Transaction timeout value.

getNumTxnTimeouts

public int getNumTxnTimeouts()

The number of transactions that have timed out. This value is also a component of st_ndeadlocks, the total number of deadlocks detected.

getNumUpgrade

public int getNumUpgrade()

The total number of locks upgraded.

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 lock region.