01961_roaring_memory_tracking flaky

[Algunenano]

https://play.clickhouse.com/play?user=play#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

№	d	count()	prs	any(report_url)
1	2025-08-07 09:44:17	1	[0]	https://s3.amazonaws.com/clickhouse-test-reports/json.html?REF=master&sha=66810baa3b805eb303cf78ec938cabeafa857fff&name_0=MasterCI&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29
2	2025-08-07 09:17:07	1	[0]	https://s3.amazonaws.com/clickhouse-test-reports/json.html?REF=master&sha=57a4300aa247ec5dbbda0f406f29f7ef7df6f55a&name_0=MasterCI&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29
3	2025-08-07 07:53:04	1	[0]	https://s3.amazonaws.com/clickhouse-test-reports/json.html?REF=master&sha=97243e8d319f190d594b0c8c73f76ec629209fdc&name_0=MasterCI&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29
4	2025-08-06 21:29:36	1	[0]	https://s3.amazonaws.com/clickhouse-test-reports/json.html?REF=master&sha=a85679444656c8163cc61a90824cdac8f9c2299e&name_0=MasterCI&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29
5	2025-08-06 20:59:27	1	[0]	https://s3.amazonaws.com/clickhouse-test-reports/json.html?REF=master&sha=cf81a63e4039e584b42203d480018b6baf6513e7&name_0=MasterCI&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29
6	2025-08-06 20:46:13	1	[0]	https://s3.amazonaws.com/clickhouse-test-reports/json.html?REF=master&sha=ca4d5bf6fb26bffbd0067f608c00765fe434d480&name_0=MasterCI&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29
7	2025-08-06 20:46:07	1	[0]	https://s3.amazonaws.com/clickhouse-test-reports/json.html?REF=master&sha=5a64a834270f7686f4a6692542d2ef0bb256a614&name_0=MasterCI&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29
8	2025-08-06 19:35:21	1	[0]	https://s3.amazonaws.com/clickhouse-test-reports/json.html?REF=master&sha=a16c2fb93e1206b4306e5de8a0915ceaf6c044da&name_0=MasterCI&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29
9	2025-08-06 19:27:57	1	[0]	https://s3.amazonaws.com/clickhouse-test-reports/json.html?REF=master&sha=39777d6f1b39d21bf9c2d592a3e20ccc628b0aa8&name_0=MasterCI&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29
10	2025-08-06 17:36:16	1	[0]	https://s3.amazonaws.com/clickhouse-test-reports/json.html?REF=master&sha=de20421f169e7ef815e82fdf7182f0d9e69c7962&name_0=MasterCI&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29&name_1=Stateless%20tests%20%28arm_coverage%2C%20parallel%29
11	2025-07-31 13:09:56	1	[84776]	https://s3.amazonaws.com/clickhouse-test-reports/json.html?PR=84776&sha=e6a9aa1186617615fcfca68b56e50367f60e7eb7&name_0=PR&name_1=Fast%20test&name_1=Fast%20test

Looks related to #84082

[nikitamikhaylov]

❯ grep -Fa '{7b7e7ceb-bcbe-4c98-a04e-601f76a205a3}' clickhouse-server.log
2025.08.07 11:46:23.305506 [ 17849 ] {7b7e7ceb-bcbe-4c98-a04e-601f76a205a3} <Debug> executeQuery: (from [::1]:55958) (comment: 01961_roaring_memory_tracking.sql) (query 4, line 7) SELECT cityHash64(rand() % 1000) as n, groupBitmapState(number) FROM numbers_mt(200000000) GROUP BY n FORMAT Null; (stage: Complete)
2025.08.07 11:46:23.306144 [ 17849 ] {7b7e7ceb-bcbe-4c98-a04e-601f76a205a3} <Trace> Planner: Query to stage Complete
2025.08.07 11:46:23.306341 [ 17849 ] {7b7e7ceb-bcbe-4c98-a04e-601f76a205a3} <Trace> Planner: Query from stage FetchColumns to stage Complete
2025.08.07 11:46:23.307053 [ 16634 ] {7b7e7ceb-bcbe-4c98-a04e-601f76a205a3} <Trace> AggregatingTransform: Aggregating
2025.08.07 11:46:23.307071 [ 16634 ] {7b7e7ceb-bcbe-4c98-a04e-601f76a205a3} <Trace> Aggregator: Aggregation method: key64
2025.08.07 11:46:33.475370 [ 16634 ] {7b7e7ceb-bcbe-4c98-a04e-601f76a205a3} <Trace> AggregatingTransform: Aggregated. 200000000 to 1000 rows (from 2.98 GiB) in 10.168970196 sec. (19667674.912 rows/sec., 300.10 MiB/sec.)
2025.08.07 11:46:33.475397 [ 16634 ] {7b7e7ceb-bcbe-4c98-a04e-601f76a205a3} <Trace> Aggregator: Merging aggregated data
2025.08.07 11:46:33.475411 [ 16634 ] {7b7e7ceb-bcbe-4c98-a04e-601f76a205a3} <Trace> HashTablesStatistics: Statistics updated for key=4955416476315718519: sum_of_sizes=1000, median_size=1000
2025.08.07 11:46:33.717061 [ 17849 ] {7b7e7ceb-bcbe-4c98-a04e-601f76a205a3} <Debug> executeQuery: Read 200000000 rows, 1.49 GiB in 10.411655 sec., 19209241.95048722 rows/sec., 146.55 MiB/sec.
2025.08.07 11:46:33.717088 [ 17849 ] {7b7e7ceb-bcbe-4c98-a04e-601f76a205a3} <Debug> MemoryTracker: Query peak memory usage: 1.00 MiB.
2025.08.07 11:46:33.717118 [ 17849 ] {7b7e7ceb-bcbe-4c98-a04e-601f76a205a3} <Debug> TCPHandler: Processed in 10.412450182 sec.

Query peak memory usage: 1.00 MiB Really?
Ahh, this is coverage. Interceptions are disabled there.