NAME
fb_lock_print - Information about Firebird database locks
SYNOPSIS
fb_lock_print -d database [option...]
fb_lock_print -f lockfile [option...]
DESCRIPTION
fb_lock_print is a tool for displaying the information from the
Firebird lock system. These are useful when debugging lock
contention/conflict/performance problems.
OPTIONS
-d database
Print lock information about the specified database.
-f lockfile
Print lock information from the specified lock file. Firebird lock
files live in /tmp/firebird.
-o | -p
Print information about lock owner blocks. On by default.
-c Consistency mode. Blocks the lock manager so that no changes to the
lock blocks can be made while the information is gathered.
-l Print information about lock blocks.
-r Print information about lock request blocks.
-h Print information about lock history.
-a Print information about owner blocks, lock blocks, request blocks
and history. Same as "-o -l -r -h"
-s num
Print information about lock series num.
-i[filter] interval count
Enter interactive mode and continuously display lock counters per
second.
Possible filters are:
a lock acquires
o lock operations: enqueues, convertions, downgrades, dequeues,
reads, writes and queries
t lock operations by type.
w lock waits
If no filter is given, all activity is shown.
interval is the interval in seconds between displays. count
instructs fb_lock_print to exit after that many displays.
-w Print recursive list of locks each lock waits for.
-m HTML output.
AUTHOR & COPYRIGHT
Copyright (C) Damyan Ivanov, 2009.
This manpage was written by Damyan Ivanov for the Debian project but
may be used by others. Permission is granted to use this document, with
or without modifications, provided that this notice is retained. If we
meet some day, and you think this stuff is worth it, you can buy me a
beer in return.