* shut down mysqld, removed logs, restarted it
set global storage_engine=maria;
set session storage_engine=maria;
set global maria_log_file_size=4294967295;
drop table if exists t1,t2;
SET SQL_WARNINGS=1;
CREATE TABLE t1 (
STRING_DATA char(255) default NULL
);
CREATE TABLE t2 (
STRING_DATA char(255) default NULL
);
INSERT INTO t1 VALUES ('AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA');
INSERT INTO t1 VALUES ('DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD');
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
insert into t2 select * from t1;
insert into t1 select * from t2;
set global maria_log_file_size=16777216;
set global maria_checkpoint_interval=30;
SHOW ENGINE maria logs;
Type	Name	Status
MARIA	maria_log.00000002	in use
insert into t2 select * from t1;
insert into t1 select * from t2;
set global maria_checkpoint_interval=30;
SHOW ENGINE maria logs;
Type	Name	Status
MARIA	maria_log.00000004	in use
set global maria_log_file_size=16777216;
select @@global.maria_log_file_size;
@@global.maria_log_file_size
16777216
set global maria_checkpoint_interval=30;
SHOW ENGINE maria logs;
Type	Name	Status
MARIA	maria_log.00000004	in use
set global maria_log_file_size=8388608;
select @@global.maria_log_file_size;
@@global.maria_log_file_size
8388608
set global maria_log_purge_type=at_flush;
insert into t1 select * from t2;
set global maria_checkpoint_interval=30;
SHOW ENGINE maria logs;
Type	Name	Status
MARIA	maria_log.00000004	free
MARIA	maria_log.00000005	free
MARIA	maria_log.00000006	free
MARIA	maria_log.00000007	free
MARIA	maria_log.00000008	in use
flush logs;
SHOW ENGINE maria logs;
Type	Name	Status
MARIA	maria_log.00000008	in use
set global maria_log_file_size=16777216;
set global maria_log_purge_type=external;
insert into t1 select * from t2;
set global maria_checkpoint_interval=30;
SHOW ENGINE maria logs;
Type	Name	Status
MARIA	maria_log.00000008	free
MARIA	maria_log.00000009	in use
flush logs;
SHOW ENGINE maria logs;
Type	Name	Status
MARIA	maria_log.00000008	free
MARIA	maria_log.00000009	in use
set global maria_log_purge_type=immediate;
insert into t1 select * from t2;
set global maria_checkpoint_interval=30;
SHOW ENGINE maria logs;
Type	Name	Status
MARIA	maria_log.00000011	in use
drop table t1, t2;
