You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
64 lines
1.7 KiB
64 lines
1.7 KiB
.TH MDB_STAT 1 "2015/09/30" "LMDB 0.9.17" |
|
.\" Copyright 2012-2021 Howard Chu, Symas Corp. All Rights Reserved. |
|
.\" Copying restrictions apply. See COPYRIGHT/LICENSE. |
|
.SH NAME |
|
mdb_stat \- LMDB environment status tool |
|
.SH SYNOPSIS |
|
.B mdb_stat |
|
[\c |
|
.BR \-V ] |
|
[\c |
|
.BR \-e ] |
|
[\c |
|
.BR \-f [ f [ f ]]] |
|
[\c |
|
.BR \-n ] |
|
[\c |
|
.BR \-r [ r ]] |
|
[\c |
|
.BR \-a \ | |
|
.BI \-s \ subdb\fR] |
|
.BR \ envpath |
|
.SH DESCRIPTION |
|
The |
|
.B mdb_stat |
|
utility displays the status of an LMDB environment. |
|
.SH OPTIONS |
|
.TP |
|
.BR \-V |
|
Write the library version number to the standard output, and exit. |
|
.TP |
|
.BR \-e |
|
Display information about the database environment. |
|
.TP |
|
.BR \-f |
|
Display information about the environment freelist. |
|
If \fB\-ff\fP is given, summarize each freelist entry. |
|
If \fB\-fff\fP is given, display the full list of page IDs in the freelist. |
|
.TP |
|
.BR \-n |
|
Display the status of an LMDB database which does not use subdirectories. |
|
.TP |
|
.BR \-r |
|
Display information about the environment reader table. |
|
Shows the process ID, thread ID, and transaction ID for each active |
|
reader slot. The process ID and transaction ID are in decimal, the |
|
thread ID is in hexadecimal. The transaction ID is displayed as "-" |
|
if the reader does not currently have a read transaction open. |
|
If \fB\-rr\fP is given, check for stale entries in the reader |
|
table and clear them. The reader table will be printed again |
|
after the check is performed. |
|
.TP |
|
.BR \-a |
|
Display the status of all of the subdatabases in the environment. |
|
.TP |
|
.BR \-s \ subdb |
|
Display the status of a specific subdatabase. |
|
.SH DIAGNOSTICS |
|
Exit status is zero if no errors occur. |
|
Errors result in a non-zero exit status and |
|
a diagnostic message being written to standard error. |
|
.SH "SEE ALSO" |
|
.BR mdb_copy (1) |
|
.SH AUTHOR |
|
Howard Chu of Symas Corporation <http://www.symas.com>
|
|
|