mirror of
https://github.com/ClickHouse/ClickHouse.git
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151 lines
3.9 KiB
Plaintext
151 lines
3.9 KiB
Plaintext
Using storage policy: s3_cache
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-- { echo }
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SET enable_filesystem_cache_on_write_operations=0;
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DROP TABLE IF EXISTS test;
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CREATE TABLE test (key UInt32, value String)
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Engine=MergeTree()
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ORDER BY key
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SETTINGS storage_policy='s3_cache', min_bytes_for_wide_part = 10485760;
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SYSTEM STOP MERGES;
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SYSTEM DROP FILESYSTEM CACHE;
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SELECT count() FROM system.filesystem_cache;
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0
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INSERT INTO test SELECT number, toString(number) FROM numbers(100);
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SELECT * FROM test FORMAT Null;
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SELECT count() FROM system.filesystem_cache;
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2
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SYSTEM DROP FILESYSTEM CACHE;
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SELECT count() FROM system.filesystem_cache;
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0
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SELECT * FROM test FORMAT Null;
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SELECT count() FROM system.filesystem_cache;
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1
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SYSTEM DROP FILESYSTEM CACHE './data'; -- { serverError 36 }
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SELECT count() FROM system.filesystem_cache;
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1
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SELECT * FROM test FORMAT Null;
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SELECT count() FROM system.filesystem_cache;
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1
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SELECT count()
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FROM (
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SELECT
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arrayJoin(cache_paths) AS cache_path,
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local_path,
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remote_path
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FROM
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system.remote_data_paths
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) AS data_paths
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INNER JOIN system.filesystem_cache AS caches
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ON data_paths.cache_path = caches.cache_path
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FORMAT Vertical;
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Row 1:
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──────
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count(): 1
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DROP TABLE test NO DELAY;
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SELECT count() FROM system.filesystem_cache;
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0
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SELECT count()
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FROM (
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SELECT
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arrayJoin(cache_paths) AS cache_path,
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local_path,
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remote_path
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FROM
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system.remote_data_paths
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) AS data_paths
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INNER JOIN system.filesystem_cache AS caches
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ON data_paths.cache_path = caches.cache_path
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FORMAT Vertical;
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Row 1:
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──────
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count(): 0
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DROP TABLE IF EXISTS test2;
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CREATE TABLE test2 (key UInt32, value String)
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Engine=MergeTree()
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ORDER BY key
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SETTINGS storage_policy='s3_cache_2', min_bytes_for_wide_part = 10485760;
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INSERT INTO test2 SELECT number, toString(number) FROM numbers(100);
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SELECT * FROM test2 FORMAT Null;
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SELECT count() FROM system.filesystem_cache;
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2
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SYSTEM DROP FILESYSTEM CACHE 's3_cache_2/';
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SELECT count() FROM system.filesystem_cache;
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0
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Using storage policy: local_cache
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-- { echo }
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SET enable_filesystem_cache_on_write_operations=0;
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DROP TABLE IF EXISTS test;
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CREATE TABLE test (key UInt32, value String)
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Engine=MergeTree()
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ORDER BY key
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SETTINGS storage_policy='local_cache', min_bytes_for_wide_part = 10485760;
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SYSTEM STOP MERGES;
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SYSTEM DROP FILESYSTEM CACHE;
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SELECT count() FROM system.filesystem_cache;
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0
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INSERT INTO test SELECT number, toString(number) FROM numbers(100);
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SELECT * FROM test FORMAT Null;
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SELECT count() FROM system.filesystem_cache;
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2
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SYSTEM DROP FILESYSTEM CACHE;
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SELECT count() FROM system.filesystem_cache;
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0
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SELECT * FROM test FORMAT Null;
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SELECT count() FROM system.filesystem_cache;
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1
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SYSTEM DROP FILESYSTEM CACHE './data'; -- { serverError 36 }
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SELECT count() FROM system.filesystem_cache;
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1
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SELECT * FROM test FORMAT Null;
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SELECT count() FROM system.filesystem_cache;
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1
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SELECT count()
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FROM (
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SELECT
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arrayJoin(cache_paths) AS cache_path,
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local_path,
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remote_path
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FROM
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system.remote_data_paths
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) AS data_paths
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INNER JOIN system.filesystem_cache AS caches
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ON data_paths.cache_path = caches.cache_path
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FORMAT Vertical;
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Row 1:
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──────
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count(): 0
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DROP TABLE test NO DELAY;
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SELECT count() FROM system.filesystem_cache;
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0
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SELECT count()
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FROM (
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SELECT
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arrayJoin(cache_paths) AS cache_path,
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local_path,
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remote_path
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FROM
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system.remote_data_paths
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) AS data_paths
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INNER JOIN system.filesystem_cache AS caches
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ON data_paths.cache_path = caches.cache_path
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FORMAT Vertical;
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Row 1:
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──────
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count(): 0
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DROP TABLE IF EXISTS test2;
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CREATE TABLE test2 (key UInt32, value String)
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Engine=MergeTree()
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ORDER BY key
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SETTINGS storage_policy='local_cache_2', min_bytes_for_wide_part = 10485760;
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INSERT INTO test2 SELECT number, toString(number) FROM numbers(100);
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SELECT * FROM test2 FORMAT Null;
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SELECT count() FROM system.filesystem_cache;
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2
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SYSTEM DROP FILESYSTEM CACHE 'local_cache_2/';
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SELECT count() FROM system.filesystem_cache;
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0
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