Berkeley DB
version 4.2.52

com.sleepycat.db
Class DbLogStat

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

public class DbLogStat
extends Object

The DbLogStat object is used to return logging subsystem statistics.


Field Summary
 int st_cur_file
          The current log file number.
 int st_cur_offset
          The byte offset in the current log file.
 int st_disk_file
          The log file number of the last record known to be on disk.
 int st_disk_offset
          The byte offset of the last record known to be on disk.
 int st_lg_bsize
          The in-memory log record cache size.
 int st_lg_size
          The current log file size.
 int st_magic
          The magic number that identifies a file as a log file.
 int st_maxcommitperflush
          The maximum number of commits contained in a single log flush.
 int st_mincommitperflush
          The minimum number of commits contained in a single log flush that contained a commit.
 int st_mode
          The mode of any created log files.
 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.
 int st_scount
          The number of times the log has been flushed to disk.
 int st_version
          The version of the log file type.
 int st_w_bytes
          The number of bytes over and above st_w_mbytes written to this log.
 int st_w_mbytes
          The number of megabytes written to this log.
 int st_wc_bytes
          The number of bytes over and above st_wc_mbytes written to this log since the last checkpoint.
 int st_wc_mbytes
          The number of megabytes written to this log since the last checkpoint.
 int st_wcount
          The number of times the log has been written to disk.
 int st_wcount_fill
          The number of times the log has been written to disk because the in-memory log record cache filled up.
 
Constructor Summary
DbLogStat()
           
 
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_magic

public int st_magic
The magic number that identifies a file as a log file.


st_version

public int st_version
The version of the log file type.


st_mode

public int st_mode
The mode of any created log files.


st_lg_bsize

public int st_lg_bsize
The in-memory log record cache size.


st_lg_size

public int st_lg_size
The current log file size.


st_w_bytes

public int st_w_bytes
The number of bytes over and above st_w_mbytes written to this log.


st_w_mbytes

public int st_w_mbytes
The number of megabytes written to this log.


st_wc_bytes

public int st_wc_bytes
The number of bytes over and above st_wc_mbytes written to this log since the last checkpoint.


st_wc_mbytes

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


st_wcount

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


st_wcount_fill

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


st_scount

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


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_cur_file

public int st_cur_file
The current log file number.


st_cur_offset

public int st_cur_offset
The byte offset in the current log file.


st_disk_file

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


st_disk_offset

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


st_regsize

public int st_regsize
The size of the region.


st_maxcommitperflush

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


st_mincommitperflush

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

Constructor Detail

DbLogStat

public DbLogStat()
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.

Berkeley DB
version 4.2.52

Copyright (c) 1996-2003 Sleepycat Software, Inc. - All rights reserved.