# # immediate scrubbing is off # background scrubbing is on # show variables like 'innodb_%scrub_data%'; Variable_name Value innodb_background_scrub_data_check_interval 3600 innodb_background_scrub_data_compressed ON innodb_background_scrub_data_interval 604800 innodb_background_scrub_data_uncompressed ON innodb_immediate_scrub_data_uncompressed OFF # make sure spaces are checked quickly SET GLOBAL innodb_background_scrub_data_check_interval=1; create table delete_3 ( a int auto_increment primary key, b varchar(256), c text, index(b)) engine = innodb row_format=compressed; # Populate table with rows delete from delete_3; create table delete_rollback_delete_3 ( a int auto_increment primary key, b varchar(256), c text, index(b)) engine = innodb row_format=compressed; # Populate table with rows begin; delete from delete_rollback_delete_3; rollback; delete from delete_rollback_delete_3; create table insert_rollback_3 ( a int auto_increment primary key, b varchar(256), c text, index(b)) engine = innodb row_format=compressed; # Populate table with rows begin; rollback; create table delete_2 ( a int auto_increment primary key, b varchar(256), c text, index(b)) engine = innodb row_format=compact; # Populate table with rows delete from delete_2; create table delete_rollback_delete_2 ( a int auto_increment primary key, b varchar(256), c text, index(b)) engine = innodb row_format=compact; # Populate table with rows begin; delete from delete_rollback_delete_2; rollback; delete from delete_rollback_delete_2; create table insert_rollback_2 ( a int auto_increment primary key, b varchar(256), c text, index(b)) engine = innodb row_format=compact; # Populate table with rows begin; rollback; create table delete_1 ( a int auto_increment primary key, b varchar(256), c text, index(b)) engine = innodb row_format=redundant; # Populate table with rows delete from delete_1; create table delete_rollback_delete_1 ( a int auto_increment primary key, b varchar(256), c text, index(b)) engine = innodb row_format=redundant; # Populate table with rows begin; delete from delete_rollback_delete_1; rollback; delete from delete_rollback_delete_1; create table insert_rollback_1 ( a int auto_increment primary key, b varchar(256), c text, index(b)) engine = innodb row_format=redundant; # Populate table with rows begin; rollback; create table delete_0 ( a int auto_increment primary key, b varchar(256), c text, index(b)) engine = innodb row_format=dynamic; # Populate table with rows delete from delete_0; create table delete_rollback_delete_0 ( a int auto_increment primary key, b varchar(256), c text, index(b)) engine = innodb row_format=dynamic; # Populate table with rows begin; delete from delete_rollback_delete_0; rollback; delete from delete_rollback_delete_0; create table insert_rollback_0 ( a int auto_increment primary key, b varchar(256), c text, index(b)) engine = innodb row_format=dynamic; # Populate table with rows begin; rollback; # start scrubbing threads SET GLOBAL innodb_encryption_threads=5; # Wait max 10 min for scrubbing SET GLOBAL innodb_fast_shutdown=0; # delete_3.ibd # delete_rollback_delete_3.ibd # insert_rollback_3.ibd # delete_2.ibd # delete_rollback_delete_2.ibd # insert_rollback_2.ibd # delete_1.ibd # delete_rollback_delete_1.ibd # insert_rollback_1.ibd # delete_0.ibd # delete_rollback_delete_0.ibd # insert_rollback_0.ibd check table delete_3, delete_rollback_delete_3, insert_rollback_3; Table Op Msg_type Msg_text test.delete_3 check status OK test.delete_rollback_delete_3 check status OK test.insert_rollback_3 check status OK drop table delete_3, delete_rollback_delete_3, insert_rollback_3; check table delete_2, delete_rollback_delete_2, insert_rollback_2; Table Op Msg_type Msg_text test.delete_2 check status OK test.delete_rollback_delete_2 check status OK test.insert_rollback_2 check status OK drop table delete_2, delete_rollback_delete_2, insert_rollback_2; check table delete_1, delete_rollback_delete_1, insert_rollback_1; Table Op Msg_type Msg_text test.delete_1 check status OK test.delete_rollback_delete_1 check status OK test.insert_rollback_1 check status OK drop table delete_1, delete_rollback_delete_1, insert_rollback_1; check table delete_0, delete_rollback_delete_0, insert_rollback_0; Table Op Msg_type Msg_text test.delete_0 check status OK test.delete_rollback_delete_0 check status OK test.insert_rollback_0 check status OK drop table delete_0, delete_rollback_delete_0, insert_rollback_0; show variables like 'innodb_%scrub_data%'; Variable_name Value innodb_background_scrub_data_check_interval 3600 innodb_background_scrub_data_compressed ON innodb_background_scrub_data_interval 604800 innodb_background_scrub_data_uncompressed ON innodb_immediate_scrub_data_uncompressed OFF