redis 大批量數據插入致使MISCONF Redis is configured to save RDB snapshots的解決

PS:以前寫過一遍,那個方法沒有完全解決,現找到真正的解決方法linux

環境:redis 3.2.100 windows版(注意!!!這是關鍵),win10,redis客戶端spring boot 2.0.7,以及配對的spring data redisredis

某功能會頻繁地大批量地往redis寫入數據,數據量大概10秒內超過10000條spring

插入時可能會報錯,報錯時間點不定,大概都是運行一段時間後報錯,錯誤信息以下:數據庫

nested exception is io.lettuce.core.RedisCommandExecutionException: MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are disabled. Please check Redis logs for details about the error.windows

同時在redis的log找到以下報錯:spa

=== REDIS BUG REPORT START: Cut & paste starting from here ===
Redis version: 3.2.100
[18808] 15 Mar 11:12:49.805 # --- EXCEPTION_ACCESS_VIOLATION
[18808] 15 Mar 11:12:49.805 # --- STACK TRACE
redis-server.exe!LogStackTrace(c:\release\redis\src\win32_interop\win32_stacktrace.cpp:95)(0x0014E250, 0x0014FF90, 0x00000000, 0x4013A7F8)
redis-server.exe!UnhandledExceptiontHandler(c:\release\redis\src\win32_interop\win32_stacktrace.cpp:185)(0x00000000, 0x00000000, 0x00000000, 0x38D470E0)
KERNELBASE.dll!UnhandledExceptionFilter(c:\release\redis\src\win32_interop\win32_stacktrace.cpp:185)(0x401555B4, 0x38E3C15C, 0x00000000, 0x00000000)
ntdll.dll!memset(c:\release\redis\src\win32_interop\win32_stacktrace.cpp:185)(0x0014EEB0, 0x00000000, 0x40140E48, 0x0014EEB0)
ntdll.dll!_C_specific_handler(c:\release\redis\src\win32_interop\win32_stacktrace.cpp:185)(0x00000000, 0x0014E3C0, 0x0014E9C0, 0x00000000)
ntdll.dll!_chkstk(c:\release\redis\src\win32_interop\win32_stacktrace.cpp:185)(0x0014E3C0, 0x0014E9C0, 0x3623AB10, 0x00000000)
ntdll.dll!RtlWalkFrameChain(c:\release\redis\src\win32_interop\win32_stacktrace.cpp:185)(0x00000000, 0x511B7D55, 0x0014F220, 0x6506FC19)
ntdll.dll!KiUserExceptionDispatcher(c:\release\redis\src\win32_interop\win32_stacktrace.cpp:185)(0x40094F01, 0x0014F1F0, 0x400BFA57, 0x0014F2E0)
redis-server.exe!dictSdsHash(c:\release\redis\src\server.c:496)(0x0014F1F0, 0x400BFA57, 0x0014F2E0, 0x00000001)
redis-server.exe!dictFind(c:\release\redis\src\dict.c:517)(0x0014F220, 0x00000001, 0x0000002B, 0x00000001)
redis-server.exe!getExpire(c:\release\redis\src\db.c:871)(0x00000001, 0x0014F2E0, 0x0014F2E0, 0x03C07040)
redis-server.exe!rdbSaveRio(c:\release\redis\src\rdb.c:814)(0x40167210, 0x00DD0000, 0x00000005, 0x011D2754)
redis-server.exe!rdbSave(c:\release\redis\src\rdb.c:884)(0x00DD0000, 0x00DD0000, 0x5C8B2352, 0x00000005)
redis-server.exe!QForkChildInit(c:\release\redis\src\win32_interop\win32_qfork.cpp:337)(0x00000005, 0x00000000, 0x004BEF40, 0x00000005)
redis-server.exe!QForkStartup(c:\release\redis\src\win32_interop\win32_qfork.cpp:515)(0x00000006, 0x00000000, 0x00000000, 0x004A5550)
redis-server.exe!main(c:\release\redis\src\win32_interop\win32_qfork.cpp:1240)(0x00000000, 0x00000000, 0x00000000, 0x00000000)
redis-server.exe!__tmainCRTStartup(f:\dd\vctools\crt\crtw32\startup\crt0.c:255)(0x00000000, 0x00000000, 0x00000000, 0x00000000)
KERNEL32.DLL!BaseThreadInitThunk(f:\dd\vctools\crt\crtw32\startup\crt0.c:255)(0x00000000, 0x00000000, 0x00000000, 0x00000000)
ntdll.dll!RtlUserThreadStart(f:\dd\vctools\crt\crtw32\startup\crt0.c:255)(0x00000000, 0x00000000, 0x00000000, 0x00000000)
ntdll.dll!RtlUserThreadStart(f:\dd\vctools\crt\crtw32\startup\crt0.c:255)(0x00000000, 0x00000000, 0x00000000, 0x00000000)
[18808] 15 Mar 11:12:50.398 # --- INFO OUTPUT
[5660] 15 Mar 11:12:55.080 # fork operation failed
[5660] 15 Mar 11:12:55.226 # Background saving terminated by signal 1
[5660] 15 Mar 11:12:55.353 * 10000 changes in 60 seconds. Saving...

網上能找到不少解決方法(具體執行baidu),一種主流的方法是redis配置stop-writes-on-bgsave-error設爲false,但這種方法只是讓出錯不中止,錯誤仍是存在的,因此不想用這種方法code

 

另外緣由大概也清楚:就是redis寫入數據會先寫到內存,而後每隔一段時間會把內存數據寫入rdb(一個文件數據庫),以實現不會由於關機內存數據丟失就沒了數據。問題是在寫入rdb時出錯server

但不知道寫入rdb出錯緣由在哪,網上不少說是內存不夠,我看了內存佔用也很低,只用了200+m內存

 

此問題直接緣由應該是寫入rdb時出錯,但根本緣由在於redis自己有bugci

redis只有linux版,而windows版是微軟本身作的,並且也中止更新,大概所以有bug也是正常吧

解決方法是redis(服務端)使用3.0.504,此版本已解決此bug

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