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Merge pull request #48787 from ClickHouse/background-memory-tracker
Add MemoryTracker for the background tasks [Resubmit]
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Original file line number | Diff line number | Diff line change |
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import pytest | ||
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from helpers.cluster import ClickHouseCluster | ||
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cluster = ClickHouseCluster(__file__) | ||
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node = cluster.add_instance("node") | ||
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@pytest.fixture(scope="module", autouse=True) | ||
def start_cluster(): | ||
try: | ||
cluster.start() | ||
yield cluster | ||
finally: | ||
cluster.shutdown() | ||
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def test_memory_limit_success(): | ||
node.query( | ||
"CREATE TABLE test_merge_oom ENGINE=AggregatingMergeTree ORDER BY id EMPTY AS SELECT number%1024 AS id, arrayReduce( 'groupArrayState', arrayMap( x-> randomPrintableASCII(100), range(8192))) fat_state FROM numbers(20000)" | ||
) | ||
node.query("SYSTEM STOP MERGES test_merge_oom") | ||
node.query( | ||
"INSERT INTO test_merge_oom SELECT number%1024 AS id, arrayReduce( 'groupArrayState', arrayMap( x-> randomPrintableASCII(100), range(8192))) fat_state FROM numbers(3000)" | ||
) | ||
node.query( | ||
"INSERT INTO test_merge_oom SELECT number%1024 AS id, arrayReduce( 'groupArrayState', arrayMap( x-> randomPrintableASCII(100), range(8192))) fat_state FROM numbers(3000)" | ||
) | ||
node.query( | ||
"INSERT INTO test_merge_oom SELECT number%1024 AS id, arrayReduce( 'groupArrayState', arrayMap( x-> randomPrintableASCII(100), range(8192))) fat_state FROM numbers(3000)" | ||
) | ||
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_, error = node.query_and_get_answer_with_error( | ||
"SYSTEM START MERGES test_merge_oom;SET optimize_throw_if_noop=1;OPTIMIZE TABLE test_merge_oom FINAL" | ||
) | ||
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assert not error | ||
node.query("DROP TABLE test_merge_oom") |