transactions - MySQL replication, auto_increment and rollbacks -

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i have bunch of scripts perform transactional "simulations" against mysql slave replicant, rolled back. these simulations performed against slave, not affect performance of master database.

i use auto_increment primary keys quite heavily throughout schema , i'm noticing rolling transactions, ids being lost , result on time ids in slave not match of master.

i realise not rolling ids design, not temporarily disable feature (along replication) while simulations run, , turn feature on (along replication).

or there better way of safely performing transactions on real time copy of mysql database?


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