# Why pt-table-checksum diffs 0 while  my master and slave are certainly  different?

**URL:** <https://forums.percona.com/t/why-pt-table-checksum-diffs-0-while-my-master-and-slave-are-certainly-different/4252>\
**Category:** Percona Toolkit\
**Created:** [June 8, 2015, 9:32pm UTC](https://forums.percona.com/t/why-pt-table-checksum-diffs-0-while-my-master-and-slave-are-certainly-different/4252 "2015-06-08T21:32:01Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![scott.nemes](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/scott.nemes/32/5_2.png) [@scott.nemes](https://forums.percona.com/u/scott.nemes)\
**Post date:** [June 10, 2015, 9:30am UTC](https://forums.percona.com/t/why-pt-table-checksum-diffs-0-while-my-master-and-slave-are-certainly-different/4252/3 "2015-06-10T09:30:23Z")

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Hi leafonsword;

That would probably be worth submitting as a bug for logging improvement.

[url][https://bugs.launchpad.net/percona-toolkit[/url]](https://bugs.launchpad.net/percona-toolkit%5B/url%5D)

-Scott

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