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functional difference between percona xtraDB cluster 5.7 and xtraDB cluster 8.0.19

DBA100DBA100 Current User Role Patron
hi,

what is the  difference between percona xtraDB cluster 5.7 and xtraDB cluster 8.0.19 in terms of schema , data and DB logic ?
I want to let our application team know it before migration.

Answers

  • vadimtkvadimtk Contributor Percona Staff Role
    The majority of difference comes from upgrade from MySQL 5.7 codebase to MySQL 8.0 codebase.
    You can see what's new in MySQL 8.0 for example here:
    https://mysqlserverteam.com/the-complete-list-of-new-features-in-mysql-8-0/
    But Percona XtraDB Cluster 8.0 also comes with improvements to the replication protocol, including handling the support for the large transaction through streaming replication.

  • DBA100DBA100 Current User Role Patron
    "support for the large transaction through streaming replication."
    MariaDB support it for a while!

    percona is another MariaDB galeria cluster.

    here I am worring about application realted issue. any preversed keyboard from 5.7 to 8.0.19 ? any URL reference? 
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