mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-28 02:21:59 +00:00
27 lines
1.1 KiB
SQL
27 lines
1.1 KiB
SQL
-- Tags: no-s3-storage, no-random-merge-tree-settings
|
|
-- We allocate a lot of memory for buffers when reading or writing to S3
|
|
|
|
DROP TABLE IF EXISTS 02725_memory_for_merges SYNC;
|
|
|
|
CREATE TABLE 02725_memory_for_merges
|
|
( n UInt64,
|
|
s String
|
|
)
|
|
ENGINE = MergeTree
|
|
ORDER BY n
|
|
SETTINGS merge_max_block_size_bytes=1024, index_granularity_bytes=1024;
|
|
|
|
INSERT INTO 02725_memory_for_merges SELECT number, randomPrintableASCII(1000000) FROM numbers(100);
|
|
INSERT INTO 02725_memory_for_merges SELECT number, randomPrintableASCII(1000000) FROM numbers(100);
|
|
INSERT INTO 02725_memory_for_merges SELECT number, randomPrintableASCII(1000000) FROM numbers(100);
|
|
INSERT INTO 02725_memory_for_merges SELECT number, randomPrintableASCII(1000000) FROM numbers(100);
|
|
INSERT INTO 02725_memory_for_merges SELECT number, randomPrintableASCII(1000000) FROM numbers(100);
|
|
|
|
OPTIMIZE TABLE 02725_memory_for_merges FINAL;
|
|
|
|
SYSTEM FLUSH LOGS;
|
|
|
|
SELECT (sum(peak_memory_usage) < 1024 * 1024 * 200 AS x) ? x : sum(peak_memory_usage) from system.part_log where database=currentDatabase() and table='02725_memory_for_merges' and event_type='MergeParts';
|
|
|
|
DROP TABLE IF EXISTS 02725_memory_for_merges SYNC;
|