SET @start_global_value = @@global.ROCKSDB_NEW_TABLE_READER_FOR_COMPACTION_INPUTS;
SELECT @start_global_value;
@start_global_value
0
"Trying to set variable @@global.ROCKSDB_NEW_TABLE_READER_FOR_COMPACTION_INPUTS to 444. It should fail because it is readonly."
SET @@global.ROCKSDB_NEW_TABLE_READER_FOR_COMPACTION_INPUTS   = 444;
ERROR HY000: Variable 'rocksdb_new_table_reader_for_compaction_inputs' is a read only variable
