"merge" command conflicts with timed compaction

IOException in log_error.log

Step1: Modify configuration:

• 关闭内存控制

enable_mem_control=false     

• 开启合并

compaction_strategy=LEVEL_COMPACTION

• 设置ts文件大小

unseq_tsfile_size=1

seq_tsfile_size=1

• 设置mem大小

memtable_size_threshold=1073741824

• 设置每层合并文件数

seq_file_num_in_each_level=2

unseq_file_num_in_each_level=2

• 设置合并层数

seq_level_num=9

unseq_level_num=10

Step2: Start server
Step3: Enter CLI

Step4: Merge
Step5: See logs