drop table if exists null_01293; drop table if exists dist_01293; create table null_01293 (key Int) engine=Null(); create table dist_01293 as null_01293 engine=Distributed(test_cluster_two_shards, currentDatabase(), null_01293, key); -- no rows, since no active monitor select * from system.distribution_queue; select 'INSERT'; system stop distributed sends dist_01293; insert into dist_01293 select * from numbers(10); select is_blocked, error_count, data_files, data_compressed_bytes>100, broken_data_files, broken_data_compressed_bytes from system.distribution_queue where database = currentDatabase(); system flush distributed dist_01293; select 'FLUSH'; select is_blocked, error_count, data_files, data_compressed_bytes, broken_data_files, broken_data_compressed_bytes from system.distribution_queue where database = currentDatabase(); select 'UNBLOCK'; system start distributed sends dist_01293; select is_blocked, error_count, data_files, data_compressed_bytes, broken_data_files, broken_data_compressed_bytes from system.distribution_queue where database = currentDatabase(); drop table null_01293; drop table dist_01293;