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Table_statistics and #sql entries

stofa.kenidastofa.kenida ContributorCurrent User Role Novice
Hi There,

Enabling userstat on 5.5.61-38.13-log Percona Server instance, the table information_schema.table_statistics contains a lot of entries whith table name beginning whith #sql, ( something like #sql-7144_194b2f ). I would like to know why and when these tables are created and why they are not removed. Are some memory is consumed and not freed by these tables?

Thanks

Stofa.

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