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Special Forums News, Links, Events and Announcements Software Releases - RSS News Tokyo Cabinet 1.3.9 (Default branch)
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Old 09-20-2008
Tokyo Cabinet 1.3.9 (Default branch)
Tokyo Cabinet is a library of routines for managing a database. It is the successor of QDBM. Tokyo Cabinet runs very fast. For example, the time required to store 1 million records is 1.5 seconds for a hash database and 2.2 seconds for a B+ tree database. Moreover, the database size is very small. For example, the overhead for a record is 16 bytes for a hash database, and 5 bytes for a B+ tree database. Furthermore, the scalability of Tokyo Cabinet is great. The database size can be up to 8EB. License: GNU Lesser General Public License (LGPL) Changes:
The database server now supports the Lua extension, which enables this release to add arbitrary database operations defined by users. A bug related to replication was fixed. Image

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LEARN ABOUT CENTOS

tcamgr

TCATEST(3)							   Tokyo Cabinet							TCATEST(3)

NAME

       tcamgr - the command line utility of the abstract database API

DESCRIPTION

       The command `tcamgr' is a utility for test and debugging of the abstract database API and its applications.  `name' specifies the name of a
       database.  `key' specifies the key of a record.	`value' specifies the value of	a  record.   `params'  specifies  the  tuning  parameters.
       `func'  specifies  the  name  of  a function.  `arg' specifies the arguments of the function.  `dest' specifies the path of the destination
       file.

	      tcamgr create name
		     Create a database file.
	      tcamgr inform name
		     Print miscellaneous information to the standard output.
	      tcamgr put [-sx] [-sep chr] [-dk|-dc|-dai|-dad] name key value
		     Store a record.
	      tcamgr out [-sx] [-sep chr] name key
		     Remove a record.
	      tcamgr get [-sx] [-sep chr] [-px] [-pz] name key
		     Print the value of a record.
	      tcamgr list [-sep chr] [-m num] [-pv] [-px] [-fm str] name
		     Print keys of all records, separated by line feeds.
	      tcamgr optimize name params
		     Optimize a database file.
	      tcamgr misc [-sx] [-sep chr] [-px] name func [arg...]
		     Call a versatile function for miscellaneous operations.
	      tcamgr map [-fm str] name dest
		     Map records into another B+ tree database.
	      tcamgr version
		     Print the version information of Tokyo Cabinet.

       Options feature the following.

	      -sx : the input data is evaluated as a hexadecimal data string.
	      -sep chr : specify the separator of the input data.
	      -dk : use the function `tcadbputkeep' instead of `tcadbput'.
	      -dc : use the function `tcadbputcat' instead of `tcadbput'.
	      -dai : use the function `tcadbaddint' instead of `tcadbput'.
	      -dad : use the function `tcadbadddouble' instead of `tcadbput'.
	      -px : the output data is converted into a hexadecimal data string.
	      -pz : do not append line feed at the end of the output.
	      -m num : specify the maximum number of the output.
	      -pv : print values of records also.
	      -fm str : specify the prefix of keys.

       This command returns 0 on success, another on failure.

SEE ALSO

       tcatest(1), tcamttest(1), tcadb(3), tokyocabinet(3)

Man Page							    2012-08-18								TCATEST(3)