# problem about mixed binlog-format in percona5.5

**URL:** <https://forums.percona.com/t/problem-about-mixed-binlog-format-in-percona5-5/1790>\
**Category:** Other MySQL® Questions\
**Created:** [April 4, 2012, 8:18pm UTC](https://forums.percona.com/t/problem-about-mixed-binlog-format-in-percona5-5/1790 "2012-04-04T20:18:49Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![justlooks](https://avatars.discourse-cdn.com/v4/letter/j/e274bd/32.png) [@justlooks](https://forums.percona.com/u/justlooks)\
**Post date:** [April 4, 2012, 8:18pm UTC](https://forums.percona.com/t/problem-about-mixed-binlog-format-in-percona5-5/1790/1 "2012-04-04T20:18:49Z")

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i checked my binary log and find the unsafe SQL still log use SBS  
but my log format is mixed,why?

#120405 9:15:46 server id 5551 end\_log\_pos 3817 Query thread\_id=81681 exec\_time=25 error\_code=0  
SET TIMESTAMP=1333588546/_!_/;  
INSERT INTO toocle\_news\_base.news\_cate1 SET `nid` = ‘6630489’,`category` = ‘4511’, post\_time = now()  
/_!_/;

mysql\> show variables like ‘binlog\_format’;  
±--------------±------+  
| Variable\_name | Value |  
±--------------±------+  
| binlog\_format | MIXED |  
±--------------±------+  
1 row in set (0.00 sec)

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**Author:** ![sterin](https://avatars.discourse-cdn.com/v4/letter/s/3ab097/32.png) [@sterin](https://forums.percona.com/u/sterin)\
**Post date:** [April 5, 2012, 2:22am UTC](https://forums.percona.com/t/problem-about-mixed-binlog-format-in-percona5-5/1790/2 "2012-04-05T02:22:33Z")

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I’m not really sure what you are asking but binlog\_format=MIXED actually means that most of the logging is SBR.

Ref:The manual binary-log-mixed

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**Author:** ![jtokoph](https://avatars.discourse-cdn.com/v4/letter/j/f1d935/32.png) [@jtokoph](https://forums.percona.com/u/jtokoph)\
**Post date:** [April 5, 2012, 6:54pm UTC](https://forums.percona.com/t/problem-about-mixed-binlog-format-in-percona5-5/1790/3 "2012-04-05T18:54:09Z")

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SET TIMESTAMP=1333588546/_!_/; ensures that the NOW() function returns the same value on slaves
