tcfmttest (1)

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.

tcftest(1), tcfmgr(1), tcfdb(3), tokyocabinet(3)