parallel_distributed_insert_select=1
test_shard_localhost
0
1
2
test_cluster_two_shards_localhost
0	2
1	2
2	2
test_cluster_two_shards
distributed
local
0	2
1	2
2	2
distributed
0	4
1	4
2	4
parallel_distributed_insert_select=2
test_shard_localhost
0
1
2
test_cluster_two_shards_localhost
0	2
1	2
2	2
test_cluster_two_shards
distributed
0	4
1	4
2	4
local
0	2
1	2
2	2