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mysqld遇到異常0xc0000005
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P粉026665919 2023-12-29 19:58:06
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抱歉,我的英語不流利。我是MySQL數(shù)據(jù)庫的新手。我在 Windows Server 2022 Datacenter 上使用 MySQL 8.0.30。我有一個問題,MySQL 經(jīng)常崩潰(MySQL 服務停止),并且總是帶有相同的錯誤日志。我試圖找到問題的根源,但沒有解決。

有關(guān)信息,我在具有以下規(guī)格的同一設備上使用了 Grafana Web Server 和 MySQL: 處理器 Intel(R) Xeon(R) Silver 4208 CPU @ 2.10GHz 2.10 GHz 已安裝 RAM 16.0 GB(15.6 GB 可用) 系統(tǒng)類型 64位操作系統(tǒng),基于x64的處理器

請給我建議來解決這個問題。 先謝謝了

這是錯誤 MySQL 日志詳細信息:

10:01:25 UTC - mysqld got exception 0xc0000005 ;
Most likely, you have hit a bug, but this error can also be caused by malfunctioning hardware.
Thread pointer: 0x0
Attempting backtrace. You can use the following information to find out
where mysqld died. If you see no messages after this, something went
terribly wrong...
7ffa8ac5b496    jemalloc.dll!???
7ffa8ac5b918    jemalloc.dll!???
7ffa8ac5ef91    jemalloc.dll!je_realloc()
7ffa82547ddd    libcrypto-1_1-x64.dll!CRYPTO_memcmp()
7ffa8258bcea    libcrypto-1_1-x64.dll!CRYPTO_memcmp()
7ffa8258e7e3    libcrypto-1_1-x64.dll!CRYPTO_memcmp()
7ffa8255956d    libcrypto-1_1-x64.dll!CRYPTO_memcmp()
7ffa8246263c    libcrypto-1_1-x64.dll!CRYPTO_memcmp()
7ffa826092ff    libcrypto-1_1-x64.dll!CRYPTO_memcmp()
7ffab7d47167    ntdll.dll!RtlActivateActivationContextUnsafeFast()
7ffab7d4848a    ntdll.dll!LdrShutdownThread()
7ffab7d28bae    ntdll.dll!RtlExitUserThread()
7ffab5851b8a    KERNELBASE.dll!FreeLibraryAndExitThread()
7ffab55c6c5d    ucrtbase.dll!_recalloc()
7ffab55f3c19    ucrtbase.dll!_endthreadex()
7ff682fc4605    mysqld.exe!?modify_thread_cache_size@Per_thread_connection_handler@@SAXK@Z()
7ff6844987a9    mysqld.exe!?deallocate@?$allocator@V?$sub_match@V?$_String_const_iterator@V?$_String_val@U?$_Simple_types@D@std@@@std@@@std@@@std@@@std@@QEAAXQEAV?$sub_match@V?$_String_const_iterator@V?$_String_val@U?$_Simple_types@D@std@@@std@@@std@@@2@_K@Z() [truncated, 260 bytes total]
7ff68405139c    mysqld.exe!?my_thread_self_setname@@YAXPEBD@Z()
7ffab55c6b4c    ucrtbase.dll!_recalloc()
7ffab7274ed0    KERNEL32.DLL!BaseThreadInitThunk()
7ffab7d9e44b    ntdll.dll!RtlUserThreadStart()
The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
 information that should help you find out what is causing the crash.

我嘗試減少數(shù)據(jù)讀寫,然后增加客戶端連接限制

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每秒速率 = RPS

為您的 my.ini [mysqld] 部分考慮的建議,以避免意外關(guān)閉。

innodb_thread_concurrency=10  # from 33 for reasonable limit for your 16 available total threads 
innodb_redo_log_capacity=96M  # from innodb_log_file_size name and 48M limit

**** 這是當前名稱,而不是已棄用的每個錯誤日志的 innodb_log_file_size

innodb_buffer_pool_size=8G  # from 124M for about 1/2 available RAM to reduce innodb_data_reads RPS of 31.
read_rnd_buffer_size=32K  from 256K to reduce handler_read_rnd_next RPS of 63,041
thread_cache_size=128  # from 10 to reduce threads_created RPS of ~ 5

請查看個人資料以獲取聯(lián)系信息。您有很多機會通過額外的全局變量更改來提高性能。

想聽聽您如何在 96 秒的正常運行時間內(nèi)獲得如此多的活動的故事。 :)

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