GSP
Quick Navigator

Search Site

Unix VPS
A - Starter
B - Basic
C - Preferred
D - Commercial
MPS - Dedicated
Previous VPSs
* Sign Up! *

Support
Contact Us
Online Help
Handbooks
Domain Status
Man Pages

FAQ
Virtual Servers
Pricing
Billing
Technical

Network
Facilities
Connectivity
Topology Map

Miscellaneous
Server Agreement
Year 2038
Credits
 

USA Flag

 

 

Man Pages


Manual Reference Pages  -  MDCACHED (1)

.ds Aq ’

NAME

mdcached - A high-performance cache daemon (Bullet Cache)

CONTENTS

SYNOPSIS

*mdcached* -h
*mdcached* [-h] [-a] [-d] [-f file] [-i] [-k] [-m #] [-n #] [-r] [-s #] [-t #] [-v #]

DESCRIPTION

The optional argument to mdcached are:

-a

Disable runtime monitoring and adaptive reconfiguration of the server.

-d

Enable debug mode: the server does not fork to background and displays the log messages on the terminal.

-f

file Set dump file name (for use with prewarming or with SIGUSR1). The server has the ability to create a dump file containing stored data. This dump may be created by sending the SIGUSR1 signal to the server, and it may be used to prewarm the server\(cqs cache.

-h

Shows a help message with a short summary of available command line arguments

-i #

Automatically create a cache dump every # seconds.

-k

Bind network threads to worker threads. This option enables a performance optimization which may increase performance when worker threads are enabled. The most efficient case is when the number of worker threads equals the number of network threads.

-m #

Limits memory use to # MiB (default=0, disabled). Enabling memory limits may hurt performance in some cases. The limits are only enforced for the raw data stored in the memory database, and the actual memory usage (which includes internal book-keeping data) may be significantly higher

-n #

Set number of network threads to # (default=2). If Bullet Cache is used on dedicated servers, the most efficient configuration is to configure the number of network threads between 1 and 1.5 times the number of logical CPUs in the system.

-r

Read cache data from the dump file (prewarm the cache).

-s #

Set the default record size, in bytes. Correctly specifying the record size may result in significantly lower memory usage.

-t #

Set number of worker threads to # (default=0). Worker threads are useful only if the number of complex data queries is larger than the number of simple data queries. For normal workloads, worker threads are likely to reduce the overall performance.

-v #

Sets minimum log (verbosity) level to # [0-7]. The log level semantics (and numbering) resembles the ones used in syslog(3).

Bullet Cache is a memory database intended to be used much like memcached, but offering much higher flexibility through use of record tags which can be used to perform bulk operations on sets of records. It has its own binary network protocol which is accessible through Unix domain sockets and through TCP. It is indended to be accessed through a high-performance C library.

This documentation is yet to be completed.

SEE ALSO

Bullet Cache has extensive documentation available at:

o

o

http://mdcached.sourceforge.net/documentation.html

o

o

http://goo.gl/LTrzt

Please report bugs and satisfied user reports at the SourceForge project page (https://sourceforge.net/projects/mdcached/).

AUTHORS

Bullet Cache and its documentation was created by Ivan Voras <ivoras@gmail.com>.

Search for    or go to Top of page |  Section 1 |  Main Index


& MDCACHED (1) 05/10/2012

Powered by GSP Visit the GSP FreeBSD Man Page Interface.
Output converted with manServer 1.07.