drop table if exists data_01643; select 'default'; create table data_01643 (key Int) engine=MergeTree() order by key; insert into data_01643 values (1); select * from data_01643; optimize table data_01643 final; drop table data_01643; select 'compact fsync_after_insert'; create table data_01643 (key Int) engine=MergeTree() order by key settings min_rows_for_wide_part=2, fsync_after_insert=1; insert into data_01643 values (1); select * from data_01643; optimize table data_01643 final; drop table data_01643; select 'compact fsync_after_insert,fsync_part_directory'; create table data_01643 (key Int) engine=MergeTree() order by key settings min_rows_for_wide_part=2, fsync_after_insert=1, fsync_part_directory=1; insert into data_01643 values (1); select * from data_01643; optimize table data_01643 final; drop table data_01643; select 'wide fsync_after_insert'; create table data_01643 (key Int) engine=MergeTree() order by key settings min_bytes_for_wide_part=0, fsync_after_insert=1; insert into data_01643 values (1); select * from data_01643; optimize table data_01643 final; drop table data_01643; select 'wide fsync_after_insert,fsync_part_directory'; create table data_01643 (key Int) engine=MergeTree() order by key settings min_bytes_for_wide_part=0, fsync_after_insert=1, fsync_part_directory=1; insert into data_01643 values (1); select * from data_01643; optimize table data_01643 final; drop table data_01643; select 'memory in_memory_parts_insert_sync'; create table data_01643 (key Int) engine=MergeTree() order by key settings min_rows_for_compact_part=2, in_memory_parts_insert_sync=1, fsync_after_insert=1, fsync_part_directory=1; insert into data_01643 values (1); select * from data_01643; optimize table data_01643 final; drop table data_01643; select 'wide fsync_part_directory,vertical'; create table data_01643 (key Int) engine=MergeTree() order by key settings min_bytes_for_wide_part=0, fsync_part_directory=1, enable_vertical_merge_algorithm=1, vertical_merge_algorithm_min_rows_to_activate=1, vertical_merge_algorithm_min_columns_to_activate=1; insert into data_01643 values (1); select * from data_01643; optimize table data_01643 final; drop table data_01643;