-- Tags: no-parallel, no-fasttest -- { echo } SYSTEM DROP FILESYSTEM CACHE; SET enable_filesystem_cache_on_write_operations=0; DROP TABLE IF EXISTS test; CREATE TABLE test (key UInt32, value String) Engine=MergeTree() ORDER BY key SETTINGS storage_policy='s3_cache'; INSERT INTO test SELECT number, toString(number) FROM numbers(100); SELECT * FROM test FORMAT Null; SELECT cache_base_path, file_segment_range_begin, file_segment_range_end, size FROM system.filesystem_cache ORDER BY file_segment_range_end, size; SYSTEM DROP FILESYSTEM CACHE; SELECT cache_base_path, file_segment_range_begin, file_segment_range_end, size FROM system.filesystem_cache; SELECT * FROM test FORMAT Null; SELECT cache_base_path, file_segment_range_begin, file_segment_range_end, size FROM system.filesystem_cache; SYSTEM DROP FILESYSTEM CACHE; SELECT cache_base_path, file_segment_range_begin, file_segment_range_end, size FROM system.filesystem_cache;