pingcap / pingcap/tiflash

Assert current_weight < (1ull << 63) fail! LRUCache became inconsistent

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Since Aug 4, 2025.

component/storage severity/major type/bug
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Description

[2025/07/28 13:36:54.949 +08:00] [FATAL] [LRUCache.h:376] ["Assert current_weight < (1ull << 63) fail! LRUCache became inconsistent. There must be a bug in it."] [source=Fatal] [thread_id=19]
[2025/07/28 13:36:54.971 +08:00] [ERROR] [BaseDaemon.cpp:356] ["(from thread 19) Terminate called after throwing an instance of DB::Exception\nCode: 0, e.displayText() = DB::Exception: Assert current_weight < (1ull << 63) fail! LRUCache became inconsistent. There must be a bug in it., e.what() = DB::Exception\nStack trace:\n\n\n  0x55aafeae1db6\tterminate_handler() [tiflash+133365174]\n                \tdbms/src/Common/StackTrace.cpp:23\n  0x7f19a2337473\tstd::__terminate(void (*)()) [libc++abi.so.1+226419]\n  0x7f19a2337428\tstd::terminate() [libc++abi.so.1+226344]\n  0x55aafa0cf821\tvoid DB::exception_details::logAndTerminate<char const*&>(char const*, int, char const*, std::__1::shared_ptr<DB::Logger> const&, char const*&) [tiflash+55695393]\n  0x55aafa0cf27b\tvoid DB::exception_details::logAndTerminate<>(char const*, int, char const*, char const*) [tiflash+55693947]\n  0x55aafea7a37a\tDB::LRUCache<DB::DM::Remote::RNMVCCIndexCache::CacheKey, DB::DM::Remote::RNMVCCIndexCache::CacheValue, DB::DM::Remote::RNMVCCIndexCache::CacheKeyHasher, DB::DM::Remote::RNMVCCIndexCache::CacheValueWeight>:"] [source=BaseDaemon] [thread_id=1084]

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