LogStats (Oracle - Berkeley DB Java API)

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Berkeley DB
version 5.3.28

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com.sleepycat.db
Class LogStats

java.lang.Object
  com.sleepycat.db.LogStats

public class LogStats
extends Object
extends Object

Log statistics for a database environment.

Method Summary
`int`	`getCurFile()` The current log file number.
`int`	`getCurOffset()` The byte offset in the current log file.
`int`	`getDiskFile()` The log file number of the last record known to be on disk.
`int`	`getDiskOffset()` The byte offset of the last record known to be on disk.
`int`	`getFileidInit()` The initial allocated file logging identifiers.
`int`	`getLgBSize()` The in-memory log record cache size.
`int`	`getLgSize()` The current log file size.
`int`	`getMagic()` The magic number that identifies a file as a log file.
`int`	`getMaxCommitperflush()` The maximum number of commits contained in a single log flush.
`int`	`getMaxNfileId()` The maximum number of file logging identifiers used.
`int`	`getMinCommitperflush()` The minimum number of commits contained in a single log flush that contained a commit.
`int`	`getMode()` The mode of any created log files.
`int`	`getNumFileId()` The current number of file logging identifiers.
`long`	`getRCount()` The number of times the log has been read from disk.
`long`	`getRecord()` The number of records written to this log.
`long`	`getRegionNowait()` The number of times that a thread of control was able to obtain the region lock without waiting.
`long`	`getRegionWait()` The number of times that a thread of control was forced to wait before obtaining the region lock.
`long`	`getRegSize()` The size of the region.
`long`	`getSCount()` The number of times the log has been flushed to disk.
`int`	`getVersion()` The version of the log file type.
`int`	`getWBytes()` The number of bytes over and above `getWMbytes()` written to this log.
`int`	`getWcBytes()` The number of bytes over and above `LogStats.getWcMbytes` written to this log since the last checkpoint.
`int`	`getWcMbytes()` The number of megabytes written to this log since the last checkpoint.
`long`	`getWCount()` The number of times the log has been written to disk.
`long`	`getWCountFill()` The number of times the log has been written to disk because the in-memory log record cache filled up.
`int`	`getWMbytes()` The number of megabytes written to this log.
`String`	`toString()` For convenience, the LogStats 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

getMagic

public int getMagic()

The magic number that identifies a file as a log file.

getVersion

public int getVersion()

The version of the log file type.

getMode

public int getMode()

The mode of any created log files.

getLgBSize

public int getLgBSize()

The in-memory log record cache size.

getLgSize

public int getLgSize()

The current log file size.

getWcBytes

public int getWcBytes()

The number of bytes over and above LogStats.getWcMbytes written to this log since the last checkpoint.

getWcMbytes

public int getWcMbytes()

The number of megabytes written to this log since the last checkpoint.

getFileidInit

public int getFileidInit()

The initial allocated file logging identifiers.

getNumFileId

public int getNumFileId()

The current number of file logging identifiers.

getMaxNfileId

public int getMaxNfileId()

The maximum number of file logging identifiers used.

getRecord

public long getRecord()

The number of records written to this log.

getWBytes

public int getWBytes()

The number of bytes over and above getWMbytes() written to this log.

getWMbytes

public int getWMbytes()

The number of megabytes written to this log.

getWCount

public long getWCount()

The number of times the log has been written to disk.

getWCountFill

public long getWCountFill()

The number of times the log has been written to disk because the in-memory log record cache filled up.

getRCount

public long getRCount()

The number of times the log has been read from disk.

getSCount

public long getSCount()

The number of times the log has been flushed to disk.

getRegionWait

public long getRegionWait()

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

getRegionNowait

public long getRegionNowait()

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

getCurFile

public int getCurFile()

The current log file number.

getCurOffset

public int getCurOffset()

The byte offset in the current log file.

getDiskFile

public int getDiskFile()

The log file number of the last record known to be on disk.

getDiskOffset

public int getDiskOffset()

The byte offset of the last record known to be on disk.

getMaxCommitperflush

public int getMaxCommitperflush()

The maximum number of commits contained in a single log flush.

getMinCommitperflush

public int getMinCommitperflush()

The minimum number of commits contained in a single log flush that contained a commit.

getRegSize

public long getRegSize()

The size of the region.

toString

public String toString()

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

Overrides:: toString in class Object