WebOct 4, 2014 · At the time of the invalid access, block->index for this block is already NULL. The problem is that we have two threads executing btr_search_drop_page_hash_index () for the same block in buf_page_mtr_lock () at the same time. While this occurred on a MDEV-15053 development branch, I believe that the same bug should be possible starting with … WebApr 27, 2024 · First of all, FLUSH and other commands do have to set that field to 0. Also, the recommendation that you make on the recalculation of the statistics after 10 % of the rows are changed is not feasible. It would demand lots of …
InnoDB: Error: trying to access page number 0 in space 5, …
WebOct 4, 2014 · When an uncommitted XA is using a table, DROP DATABASE executed in another connection doesn't respect lock_wait_timeout, it hangs until the server does not get killed by long semaphore wait. It looks quite similar to MDEV-22733, except that there is no shutdown here, and this one is reproducible on 10.2+, it's not 10.5-specific.So I guess it's … WebDec 24, 2024 · 一、现象. 某项目反馈系统非常卡,登陆 MySQL 后发现大量 SQL 处于 Opening tables 状态,断断续续,一会好一会又出现,比较离奇。. 之前遇到过类似的问题现象,是由于 MySQL 开启了 AHI(自适应哈希索引)后如果 DROP或 TRUNCATE 一张大表,MySQL 会同时删除 buffer pool 中对应表上的 AHI,这个过程需会持有一把 ... highest rated banks in alabama
Bug #78714 InnoDB: Failing assertion: !(&dict_sys->mutex)->is
WebFeb 24, 2024 · 10.6 7953bae22a8f1054acce9a74e089401f7e93e579 2024-02-24T09:30:17+02:00: RQG test where several concurrent sessions run a DDL/DML mix … WebJan 15, 2015 · 2024-01-26T16:28:00.783095Z 0 [Warning] InnoDB: A long semaphore wait: --Thread 139915469956864 has waited at row0purge.cc line 861 for 241.00 seconds the semaphore: S-lock on RW-latch at 0x91e5458 created in file dict0dict.cc line 1184 a writer (thread id 139915280357120) has reserved it in mode exclusive number of readers … WebJun 28, 2024 · InnoDB: Warning: a long semaphore wait: --Thread 139834895070976 has waited at dict0stats.cc line 2406 for 241.00 seconds the semaphore: X-lock (wait_ex) … highest rated banks in america