Except for memory_limit and smp_enable, if you upgrade to Replication Server 15.5, the only values that are set to the new defaults are those that used the defaults in the earlier version.
Parameter |
Old Value |
New Value |
Downgrading from Version 15.5 |
|---|---|---|---|
exec_cmds_per_timeslice |
5 |
2,147,483,647 |
Downgrading does not change the value you have set. |
init_sqm_write_delay |
1000 milliseconds |
100 milliseconds for all platforms |
Downgrading does not change the value you have set. |
init_sqm_write_max_delay |
10,000 milliseconds |
1000 milliseconds for all platforms |
Downgrading does not change the value you have set. |
memory_limit |
80MB |
2,047MB Upgrading increases the value to the new default if the earlier value was less than 2,047MB. |
If the value you set is larger than 2,047MB, downgrading resets the value to 2,047MB to protect against overflow. |
smp_enable |
off |
on Upgrading does not change the setting to on if your original setting was off. |
Downgrading does not change the value you have set. |
sqt_max_cache_size |
1,048,576 bytes (1MB) |
If the value set is larger than 2,147,483,647 bytes, downgrading resets the value to 2,147,483,647 bytes to protect against overflow. |
|
sts_full_cache_system_table_name for these system tables: rs_columns, rs_functions, rs_objects |
off – not fully cached |
on – fully cached |
Downgrading does not change your settings. |