Fix the incorrect value of the max thread size (#9881)

[ti-chi-bot]

This is an automated cherry-pick of #9881

What problem does this PR solve?

Issue Number: close #9880, ref #9745

Problem Summary:

See the issue. We make setAuto not static as a workaround. However, we have to handle the coupling of Proxy and Settings.h.

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

None

[ti-chi-bot]

@CalvinNeo This PR has conflicts, I have hold it.
Please resolve them or ask others to resolve them, then comment /unhold to remove the hold label.

[CalvinNeo]

lgtm

[CalvinNeo]

/hold

[CalvinNeo]

/unhold

[CalvinNeo]

/hold

[CalvinNeo]

[2025/02/18 12:53:36.798 +08:00] [INFO] [Server.cpp:1117] ["wait for tiflash proxy initializing"] [thread_id=1]
[2025/02/18 12:53:37.198 +08:00] [INFO] [Server.cpp:1120] ["tiflash proxy is initialized"] [thread_id=1]
[2025/02/18 12:53:37.216 +08:00] [ERROR] [BaseDaemon.cpp:367] [########################################] [source=BaseDaemon] [thread_id=2]
[2025/02/18 12:53:37.216 +08:00] [ERROR] [BaseDaemon.cpp:368] ["(from thread 1) Received signal Segmentation fault(11)."] [source=BaseDaemon] [thread_id=2]
[2025/02/18 12:53:37.216 +08:00] [ERROR] [BaseDaemon.cpp:398] ["Address: 0x7ffe0056b720"] [source=BaseDaemon] [thread_id=2]
[2025/02/18 12:53:37.216 +08:00] [ERROR] [BaseDaemon.cpp:404] ["Access: read."] [source=BaseDaemon] [thread_id=2]
[2025/02/18 12:53:37.216 +08:00] [ERROR] [BaseDaemon.cpp:410] ["Attempted access has violated the permissions assigned to the memory area."] [source=BaseDaemon] [thread_id=2]
[2025/02/18 12:53:37.357 +08:00] [ERROR] [BaseDaemon.cpp:560] ["\n       0xc8bc34b\tfaultSignalHandler(int, siginfo_t*, void*) [tiflash+210486091]\n  0x7f86190e9630\t<unknown symbol> [libpthread.so.0+63024]\n  0x7ffe0056b720\t<unknown symbol>\n       0x441124c\tDB::Server::main(std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&) [tiflash+71373388]\n       0xf9f5945\tPoco::Util::Application::run() [tiflash+262101317]\n       0xfa11915\tPoco::Util::ServerApplication::run() [tiflash+262215957]\n       0x440bd97\tDB::Server::run() [tiflash+71351703]\n       0xfa11af3\tPoco::Util::ServerApplication::run(int, char**) [tiflash+262216435]\n       0x441c438\tmainEntryClickHouseServer(int, char**) [tiflash+71418936]\n       0x42c1951\tmain [tiflash+69998929]\n  0x7f8618914555\t__libc_start_main [libc.so.6+140629]"] [source=BaseDaemon] [thread_id=2]

[CalvinNeo]

/home/jenkins/agent/workspace/tiflash-build-common/tiflash/dbms/src/Storages/DeltaMerge/tests/gtest_segment_read_task.cpp:468: Failure
Expected equality of these values:
  persist_set_wn->getColumnFileCount()
    Which is: 5
  4

[CalvinNeo]

/cc @JaySon-Huang

[JaySon-Huang]

also pick the change of #9886

[JaySon-Huang]

LGTM

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: CalvinNeo, JaySon-Huang

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• OWNERS [CalvinNeo,JaySon-Huang]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2025-02-18 03:01:29.303072687 +0000 UTC m=+930331.699294743: ☑️ agreed by CalvinNeo.
• 2025-02-18 10:23:37.726874383 +0000 UTC m=+956860.123096445: ☑️ agreed by JaySon-Huang.

[JaySon-Huang]

/unhold