mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-13 11:04:10 +00:00
43 lines
1.9 KiB
SQL
43 lines
1.9 KiB
SQL
-- otherwise SYSTEM STOP DISTRIBUTED SENDS does not makes any effect (for localhost)
|
|
-- (i.e. no .bin files and hence no sending is required)
|
|
set prefer_localhost_replica=0;
|
|
|
|
set distributed_directory_monitor_sleep_time_ms=50;
|
|
|
|
drop table if exists data_01460;
|
|
drop table if exists dist_01460;
|
|
|
|
create table data_01460 as system.one engine=Null();
|
|
create table dist_01460 as data_01460 engine=Distributed(test_shard_localhost, currentDatabase(), data_01460);
|
|
|
|
select 'INSERT';
|
|
select value from system.metrics where metric = 'DistributedFilesToInsert';
|
|
insert into dist_01460 select * from system.one;
|
|
select sleep(1) format Null; -- distributed_directory_monitor_sleep_time_ms
|
|
select value from system.metrics where metric = 'DistributedFilesToInsert';
|
|
|
|
select 'STOP/START DISTRIBUTED SENDS';
|
|
system stop distributed sends dist_01460;
|
|
insert into dist_01460 select * from system.one;
|
|
select sleep(1) format Null; -- distributed_directory_monitor_sleep_time_ms
|
|
select value from system.metrics where metric = 'DistributedFilesToInsert';
|
|
system start distributed sends dist_01460;
|
|
select sleep(1) format Null; -- distributed_directory_monitor_sleep_time_ms
|
|
select value from system.metrics where metric = 'DistributedFilesToInsert';
|
|
|
|
select 'FLUSH DISTRIBUTED';
|
|
system stop distributed sends dist_01460;
|
|
insert into dist_01460 select * from system.one;
|
|
select sleep(1) format Null; -- distributed_directory_monitor_sleep_time_ms
|
|
select value from system.metrics where metric = 'DistributedFilesToInsert';
|
|
system flush distributed dist_01460;
|
|
select value from system.metrics where metric = 'DistributedFilesToInsert';
|
|
|
|
select 'DROP TABLE';
|
|
system stop distributed sends dist_01460;
|
|
insert into dist_01460 select * from system.one;
|
|
select sleep(1) format Null; -- distributed_directory_monitor_sleep_time_ms
|
|
select value from system.metrics where metric = 'DistributedFilesToInsert';
|
|
drop table dist_01460;
|
|
select value from system.metrics where metric = 'DistributedFilesToInsert';
|