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73 lines
2.2 KiB
Python
73 lines
2.2 KiB
Python
import time
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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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node1 = cluster.add_instance(
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"node1",
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main_configs=["configs/asynchronous_metrics_update_period_s.xml"],
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)
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@pytest.fixture(scope="module")
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def started_cluster():
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try:
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cluster.start()
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yield cluster
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finally:
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cluster.shutdown()
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# asynchronous metrics are updated once every 60s by default. To make the test run faster, the setting
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# asynchronous_metric_update_period_s is being set to 1s so that the metrics are populated faster and
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# are available for querying during the test.
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def test_asynchronous_metric_jemalloc_profile_active(started_cluster):
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# default open
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if node1.is_built_with_sanitizer():
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pytest.skip("Disabled for sanitizers")
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res = node1.query(
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"SELECT * FROM system.asynchronous_metrics WHERE metric ILIKE '%jemalloc.prof.active%' FORMAT Vertical;"
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)
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assert (
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res
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== """Row 1:
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──────
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metric: jemalloc.prof.active
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value: 0
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description: An internal metric of the low-level memory allocator (jemalloc). See https://jemalloc.net/jemalloc.3.html
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"""
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)
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# enable
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node1.query("SYSTEM JEMALLOC ENABLE PROFILE")
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node1.query("SYSTEM RELOAD ASYNCHRONOUS METRICS")
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res = node1.query(
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"SELECT * FROM system.asynchronous_metrics WHERE metric ILIKE '%jemalloc.prof.active%' FORMAT Vertical;"
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)
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assert (
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res
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== """Row 1:
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──────
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metric: jemalloc.prof.active
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value: 1
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description: An internal metric of the low-level memory allocator (jemalloc). See https://jemalloc.net/jemalloc.3.html
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"""
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)
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# disable
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node1.query("SYSTEM JEMALLOC DISABLE PROFILE")
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node1.query("SYSTEM RELOAD ASYNCHRONOUS METRICS")
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res = node1.query(
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"SELECT * FROM system.asynchronous_metrics WHERE metric ILIKE '%jemalloc.prof.active%' FORMAT Vertical;"
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)
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assert (
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res
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== """Row 1:
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──────
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metric: jemalloc.prof.active
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value: 0
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description: An internal metric of the low-level memory allocator (jemalloc). See https://jemalloc.net/jemalloc.3.html
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"""
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)
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