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How obtain informations about "size of transactions"

in Database Administration (MOSC) 3 commentsAnswered

Hello,

i use MySQL 8.0.22 with InnoDB Cluster (Group Replication).

InnoDB Group Replication has a limitation which concerns the size of transactions:

https://dev.mysql.com/doc/refman/5.7/en/group-replication-options.html#sysvar_group_replication_transaction_size_limit

So, I want to have the informations about the size of transactions ("Total Size Trx", "Max Size Trx" and "Avg Size Trx"), in Query Analyzer, the columns are empty... and the support indicates : "these are legacy columns from older versions where we collected quan an entirely different way (all computed client side), performance schema does not aggregate these so it's unavailable in the main page, and is a bug it's left in the csv report as columns." ...

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