set storage_engine='tokudb';
select @@tokudb_lock_timeout;
@@tokudb_lock_timeout
30000000
set global tokudb_lock_timeout=1234567;
select @@tokudb_lock_timeout;
@@tokudb_lock_timeout
1234567
set global tokudb_lock_timeout=5000000;
select @@tokudb_lock_timeout;
@@tokudb_lock_timeout
5000000
set global tokudb_lock_timeout=1000000;
select @@tokudb_lock_timeout;
@@tokudb_lock_timeout
1000000
set global tokudb_lock_timeout=30000000;
select @@tokudb_lock_timeout;
@@tokudb_lock_timeout
30000000