Nikita Fomichev

Stateless tests: Improve tests speed

4

### Changelog category (leave one): - Build/Testing/Packaging Improvement ### Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md): Stateless tests: Improve tests speed and decrease number...

Stateless tests: attempt to fix timeouts of `02473_multistep_prewhere* 00411_long_accurate_number_comparison*`

1

- Reduce `pure_http_client` timeout to get reason of timed out tests - requests.Session with timeouts and retries for 02473_multistep_prewhere ### Changelog category (leave one): - Not for changelog (changelog entry...

Integration tests: Disable repeat of tests in flaky check

11

I like the idea of running tests multiple times in a flaky check, but the current implementation is incorrect because it runs repeated tests in the same setup block, in...

Integration tests: fix flaky `test_dictionaries_update_and_reload::test_reload_after_fail_by_timer`

2

Expect both statuses `["FAILED", "FAILED_AND_RELOADING"]` and `["LOADED", "LOADED_AND_RELOADING"]` According to fails for the last 90 days: 3 fails in second and third asserts: [1](https://s3.amazonaws.com/clickhouse-test-reports/0/37fe5da9e426245d40441cfc5a453e5c2f874b16/integration_tests__release__[3_4]//home/ubuntu/actions-runner/_work/_temp/test/output_dir/integration_run_parallel0_0.log ) [2](https://s3.amazonaws.com/clickhouse-test-reports/0/9f1b3e297909874e32dd132d91da9ee2c76a5bd2/integration_tests__tsan__[3_6]//home/ubuntu/actions-runner/_work/_temp/test/output_dir/integration_run_parallel0_0.log ) [3](https://s3.amazonaws.com/clickhouse-test-reports/64281/6917c8c9d79362bbcbac000bf335dc54c16cf637/integration_tests__tsan__[3_6]//home/ubuntu/actions-runner/_work/_temp/test/output_dir/integration_run_parallel0_0.log ) 2...

Stateless tests: run sequential tests on second instance

2

Tests with tag `no-parallel` run sequentially and take about 2/3 of the total test run time. The idea is to run these tests in parallel on a second CH instance...

Incorrect parsing of setting value between mixed versions

3

The problem is only occurs in mixed versions. After some changes default value for settings is unquoted in `24.9.1.948`: ``` hostname(): c-desert-vm-43-server-6xhac3m-0 version(): 24.9.1.948 name: max_parsing_threads value: auto(5) default: auto(5)...

Repro: https://fiddle.clickhouse.com/d1171ab8-9a33-4693-aec6-cc6f8bd47127 In customer case on real data: analyzer: 24.533 sec no analyzer: 0.293 sec. Version doesn't matter