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Special Forums News, Links, Events and Announcements Software Releases - RSS News Tokyo Cabinet 1.2.1 (Default branch) Post 302175777 by Linux Bot on Saturday 15th of March 2008 07:30:09 PM
Old 03-15-2008
Tokyo Cabinet 1.2.1 (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:
Utility functions for prefix matching search were added. Ruby 1.9 is now supported. The remote interface now supports dynamic replication setting.Image

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TCFMTTEST(1)							   Tokyo Cabinet						      TCFMTTEST(1)

NAME
tcfmttest - test cases of the fixed-length database API DESCRIPTION
The command `tcfmttest' is a utility for facility test under multi-thread situation. This command is used in the following format. `path' specifies the path of a database file. `tnum' specifies the number of running threads. `rnum' specifies the number of iterations. `width' specifies the width of the value of each record. `limsiz' specifies the limit size of the database file. tcfmttest write [-nl|-nb] [-rnd] path tnum rnum [width [limsiz]] Store records with keys of 8 bytes. They change as `00000001', `00000002'... tcfmttest read [-nl|-nb] [-wb] [-rnd] path tnum Retrieve all records of the database above. tcfmttest remove [-nl|-nb] [-rnd] path tnum Remove all records of the database above. tcfmttest wicked [-nl|-nb] [-nc] path tnum rnum Perform updating operations selected at random. tcfmttest typical [-nl|-nb] [-nc] [-rr num] path tnum rnum [width [limsiz]] Perform typical operations selected at random. Options feature the following. -nl : enable the option `FDBNOLCK'. -nb : enable the option `FDBLCKNB'. -rnd : select keys at random. -wb : use the function `tcfdbget4' instead of `tcfdbget2'. -nc : omit the comparison test. -rr num : specifiy the ratio of reading operation by percentage. This command returns 0 on success, another on failure. SEE ALSO
tcftest(1), tcfmgr(1), tcfdb(3), tokyocabinet(3) Man Page 2012-08-18 TCFMTTEST(1)
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