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[Suresh Rajagopal <sureshr7@xxxxxxxxx>]

i have to modify primary for partitioning. pt-online-schema-change complaints about dropping primary.Still i can ignore the warning and proceed.
Thanks

      From: Guillaume Lefranc <guillaume@xxxxxxxxxxxx>
 To: Suresh Rajagopal <sureshr7@xxxxxxxxx>; Maria Discuss <maria-discuss@xxxxxxxxxxxxxxxxxxx> 
 Sent: Monday, March 13, 2017 6:08 PM
 Subject: Re: [Maria-discuss] Partition a Huge table
   
Use pt-online-schema-change.
Best regardsGL
Le mar. 14 mars 2017 à 08:35, Suresh Rajagopal <sureshr7@xxxxxxxxx> a écrit :

Hi,
What is the fastest approach to partition a huge table with 2 additional columns? How safe its to alter table on slave and promote slave as master? It takes 25 hours to alter the table for now on slave.
MariaDB Version : 10.1.18OS              : Centos 6
ThanksSuresh_______________________________________________
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