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Basic test that stats are non-zero

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This commit is contained in:
Alexander Gololobov 2023-07-03 22:39:42 +02:00
parent 5512c307db
commit ff0197543e
2 changed files with 14 additions and 0 deletions
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tests/queries/0_stateless/02810_system_jemalloc_bins.reference Normal file
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tests/queries/0_stateless/02810_system_jemalloc_bins.sql Normal file
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WITH
(SELECT value IN ('ON', '1') FROM system.build_options WHERE name = 'USE_JEMALLOC') AS jemalloc_enabled,
(SELECT count() FROM system.jemalloc_bins) AS total_bins,
(SELECT count() FROM system.jemalloc_bins WHERE large) AS large_bins,
(SELECT count() FROM system.jemalloc_bins WHERE NOT large) AS small_bins,
(SELECT sum(size * (nmalloc - ndalloc)) FROM system.jemalloc_bins WHERE large) AS large_allocated_bytes,
(SELECT sum(size * (nmalloc - ndalloc)) FROM system.jemalloc_bins WHERE NOT large) AS small_allocated_bytes
SELECT
(total_bins > 0) = jemalloc_enabled,
(large_bins > 0) = jemalloc_enabled,
(small_bins > 0) = jemalloc_enabled,
(large_allocated_bytes > 0) = jemalloc_enabled,
(small_allocated_bytes > 0) = jemalloc_enabled;