Man page - tcbmttest(1)

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TCBMTTEST

NAME
DESCRIPTION
SEE ALSO

NAME

tcbmttest - test cases of the B+ tree database API

DESCRIPTION

The command ‘ tcbmttest ’ is a utility for facility test and performance test. 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. ‘ lmemb ’ specifies the number of members in each leaf page. ‘ nmemb ’ specifies the number of members in each non-leaf page. ‘ bnum ’ specifies the number of buckets. ‘ apow ’ specifies the power of the alignment. ‘ fpow ’ specifies the power of the free block pool.

tcbmttest write [ -tl ] [ -td | -tb | -tt | -tx ] [ -xm num ] [ -df num ] [ -nl | -nb ] [ -rnd ] path tnum rnum [ lmemb [ nmemb [ bnum [ apow [ fpow ]]]]]

Store records with keys of 8 bytes. They change as ‘00000001’, ‘00000002’...

tcbmttest read [ -xm num ] [ -df num ] [ -nl | -nb ] [ -wb ] [ -rnd ] path tnum

Retrieve all records of the database above.

tcbmttest remove [ -xm num ] [ -df num ] [ -nl | -nb ] [ -rnd ] path tnum

Remove all records of the database above.

tcbmttest wicked [ -tl ] [ -td | -tb | -tt | -tx ] [ -nl | -nb ] [ -nc ] path tnum rnum

Perform updating operations selected at random.

tcbmttest typical [ -tl ] [ -td | -tb | -tt | -tx ] [ -xm num ] [ -df num ] [ -nl | -nb ] [ -nc ] [ -rr num ] path tnum rnum [ lmemb [ nmemb [ bnum [ apow [ fpow ]]]]]

Perform typical operations selected at random.

tcbmttest race [ -tl ] [ -td | -tb | -tt | -tx ] [ -xm num ] [ -df num ] [ -nl | -nb ] path tnum rnum [ lmemb [ nmemb [ bnum [ apow [ fpow ]]]]]

Perform race condition test.

Options feature the following.

-tl : enable the option ‘BDBTLARGE’.
-td : enable the option ‘BDBTDEFLATE’.
-tb : enable the option ‘BDBTBZIP’.
-tt : enable the option ‘BDBTTCBS’.
-tx : enable the option ‘BDBTEXCODEC’.
-xm num : specify the size of the extra mapped memory.
-df num : specify the unit step number of auto defragmentation.
-nl : enable the option ‘BDBNOLCK’.
-nb : enable the option ‘BDBLCKNB’.
-rnd : select keys at random.
-wb : use the function ‘tchdbget3’ instead of ‘tchdbget’.
-nc : omit the comparison test.
-rr num : specify the ratio of reading operation by percentage.

This command returns 0 on success, another on failure.