Section 1: user commands and tools
NAME memusage – profile memory usage of a program SYNOPSIS memusage [option]… program [programoption]… DESCRIPTION memusage is a bash script which profiles memory usage of the program, program. It preloads the libmemusage.so library into the caller’s environment (via the LD_PRELOAD environment variable; see ld.so(8)). The libmemusage.so library traces memory allocation by intercepting calls to malloc(3),…
NAME memtouch – libmemcached Documentation SYNOPSIS memtouch [options] key DESCRIPTION memtouch does a "touch" on the specified key. OPTIONS You can specify servers via the option: –servers or via the environment variable: `MEMCACHED_SERVERS` If you do not specify either these, the final value in the command line list is the name of a server(s). For…
NAME memstomp – detect function calls with overlapping memory regions SYNOPSIS memstomp [-dk] application [argument…] memstomp -h DESCRIPTION The memstomp utility identifies function calls that use overlapping memory regions in situations when such an overlap is not allowed by various standards. When a problem is detected, memstomp displays a backtrace to help you debug the…
NAME memstat – libmemcached Documentation memstat – Display the operating status of a single or group of memcached servers SYNOPSIS memstat [options] DESCRIPTION memstat dumps the state of memcached(1) servers. It displays all data to stdout. OPTIONS You can specify servers via the option: –servers or via the environment variable: ‘MEMCACHED_SERVERS, –args’ which can be…
NAME memslap – libmemcached Documentation SYNOPSIS memslap [options] DESCRIPTION memslap is a load generation and benchmark tool for memcached(1) servers. It generates configurable workload such as threads, concurrencies, connections, run time, overwrite, miss rate, key size, value size, get/set proportion, expected throughput, and so on. OPTIONS You can specify servers via the option: –servers or…
NAME memrm – libmemcached Documentation memrm – Remove a key(s) from a collection of memcached servers SYNOPSIS memrm [options] [key] DESCRIPTION memrm removes items, specified by key, from memcached(1) servers. OPTIONS You can specify servers via the option: –servers or via the environment variable: `MEMCACHED_SERVERS` For a full list of operations run the tool with…
NAME memprobe – ROOT utility to examine memory usage SYNOPSIS memprobe [options] DESCRIPTION To activate the memory checker you have to set in the .rootrc file the resource Root.MemCheck to 1 (e.g.: Root.MemCheck: 1) and you have to link with libNew.so (e.g. use root-config –new –libs) or use rootn.exe. When all this is the case…
NAME memping – libmemcached Documentation SYNOPSIS memping [options] [server] DESCRIPTION memping can be used to ping a memcached server to see if it is taking connections. OPTIONS You can specify servers via the option: –servers or via the environment variable: `MEMCACHED_SERVERS` If you do not specify either these, the final value in the command line…
NAME memparse – libmemcached Documentation Copies files to a collection of memcached servers SYNOPSIS memparse [options] "option string" DESCRIPTION memparse can be used to validate an option string. OPTIONS For a full list of operations run the tool with the option: –help HOME To find out more information please check: http://libmemcached.org/ AUTHOR Brian Aker, <brian…
NAME memflush – libmemcached Documentation Reset a server or list of servers SYNOPSIS memflush [options] DESCRIPTION memflush resets the contents of memcached(1) servers. This means that all data in the specified servers will be deleted. OPTIONS You can specify servers via the option: –servers or via the environment variable: `MEMCACHED_SERVERS` For a full list of…
NAME memexist – libmemcached Documentation SYNOPSIS memexist [options] [key] DESCRIPTION memexist checks for the existance of a key within a cluster. OPTIONS You can specify servers via the option: –servers or via the environment variable: `MEMCACHED_SERVERS` If you do not specify either these, the final value in the command line list is the name of…
NAME memerror – libmemcached Documentation Translates a memcached error code into a string SYNOPSIS memerror [options] [error code] DESCRIPTION memerror translates an error code from libmemcached(3) into a human readable string. OPTIONS For a full list of operations run the tool with option: –help HOME To find out more infoerroration please check: http://libmemcached.org/ AUTHOR Brian…
NAME memdump – libmemcached Documentation Dump a list of keys from a server. SYNOPSIS memdump [options] DESCRIPTION memdump dumps a list of "keys" from all servers that it is told to fetch from. Because memcached does not guarentee to provide all keys it is not possible to get a complete "dump". OPTIONS For a full…
NAME memdiskfind — Simple utility to find a resident memdisk instance. SYNOPSIS memdiskfind DESCRIPTION The memdiskfind utility searches memory for a memdisk instance, and, if found, outputs the parameters needed to use the hram driver in Linux to map it. Index
NAME memcp – libmemcached Documentation Copies files to a collection of memcached servers SYNOPSIS memcp [options] [file] [server] DESCRIPTION memcp copies one or more files into memcached(1) servers. It is similar to the standard UNIX cp(1) command. The key names will be the names of the files, without any directory path. OPTIONS You can specify…
NAME memcat – libmemcached Documentation SYNOPSIS memcat [options] key Copy a set of keys to stdout DESCRIPTION memcat outputs to stdout the value a single or multiple set of keys stored in a memcached(1) server. If any key is not found an error is returned. It is similar to the standard UNIX cat(1) utility. OPTIONS…
NAME memcapable – libmemcached Documentation SYNOPSIS memcapable [options] DESCRIPTION memcapable connects to the specified memcached server and tries to determine its capabilities by running the various commands and verifying the response. LIMITATIONS The current version of memcapable will only verify the binary protocol. OPTIONS -h hostname Specify the hostname to connect to. The default is…
NAME memcached – high-performance memory object caching system SYNOPSIS memcached [options] DESCRIPTION This manual page documents briefly the memcached memory object caching daemon. memcached is a flexible memory object caching daemon designed to alleviate database load in dynamic web applications by storing objects in memory. It’s based on libevent to scale to any size needed,…
NAME memcached-tool – stats and management tool for memcached SYNOPSIS memcached-tool <host[:port] | /path/to/socket> [mode] DESCRIPTION memcached-tool is a Perl script used to print statistics from a running memcached instance. The first parameter specifies the address of the daemon either by a hostname, optionally followed by the port number (the default is 11211), or a…
NAME memaslap – libmemcached Documentation SYNOPSIS memaslap [options] –help MEMCACHED_SERVERS DESCRIPTION memaslap is a load generation and benchmark tool for memcached servers. It generates configurable workload such as threads, concurrencies, connections, run time, overwrite, miss rate, key size, value size, get/set proportion, expected throughput, and so on. Furthermore, it also testss data verification, expire-time verification,…