Lock Wait TimeOut Different row Update/Delete (3 replies)
I've table contains field like table structure below. When Update and Delete, I always put period, branch, acc fields for where criteria. But why getting lock wait timeout when I've updated table with...
View ArticleFix .ibd file problem or restore database before wrong query (no replies)
I executed a wrong query and then sent another query to fix my error but it didn't work but I found the .ibd file and when I opened it I found my data but in encrypted form. Can I decrypt it and get...
View Articlemysql 8.0.27 went crash (no replies)
Hello, when I use mysql 8.0.27, it went crash.The error message is as follow. I met the crash of mysql 8.0.27 more than 10 times in this month。I wonder what can I do to deal this problem. Anyone...
View Articlemysql 8.0.27 went crash -- continued (no replies)
Sorry. Because It occur ＂This is a moderated forum. Your message will remain hidden until it has been approved by a moderator or administrator＂，when I reply the...
View ArticlePoorman’s MySQL monitoring/trending (no replies)
Poorman’s MySQL monitoring/trending — https://lefred.be/content/poormans-mysql-monitoring-trending/
View Article"ERROR 1030 (HY000): Got error 100" when adding index to very large (2B rows)...
I'm attempting to add an index to a very large table (2B rows) and the command fails after a few hours with: ERROR 1030 (HY000): Got error 100 - 'InnoDB error' from storage engine I'm finding the...
View ArticleIs MySQL sure about the sequential read is really sequential in SSD (no replies)
In SSD, overwriting a data file means SSD has to first erase it and then write data. This can change the data layout for the data file. MySQL has some policies to optimize random IO, e.g., read-ahead...
View Articletablespace with that id or name does not exis (no replies)
ERROR] InnoDB: Table recording/#sql2-469-f in the InnoDB data dictionary has tablespace id 116, but tablespace with that id or name does not exist. Have you deleted or moved .ibd files? This may also...
View ArticleMassive increase in InnoDB corruption issues since upgrade to 8.0.29 (1 reply)
Dear MySQL Forums Community, we have recently (about three weeks ago) upgraded our MySQL 8 servers to the current version 8.0.29 from 8.0.25 / 8.0.26. Since then, we are seeing frequent InnoDB data...
View ArticleMySQLInterfaceError: Lock wait timeout exceeded; try restarting transaction...
Hi, We are using MySQL NDB cluster version mysql-cluster-commercial-server-8.0.25-1.1.el7.x86_64 We are using python clients with SQLAlchemy and Java clients with eclipselink as ORM layers. Both kinds...
View ArticleMySQL History List Length (HLL) (no replies)
https://lefred.be/content/a-graph-a-day-keeps-the-doctor-away-mysql-history-list-length/
View ArticleMySQL 8.0.29 Algorithm=Instant new versioned DDL + broken partitioning...
Hello, 8.0.29 introduces Algorithm=INSTANT changes. In previous versions only counter of added columns was present, you could add only to end of table, couldn't drop. It was imo sufficient. Now DDL...
View ArticleMYSQL 8.0.21 crash (no replies)
2022-06-23T03:11:10.810684Z 24461185 [ERROR] [MY-010045] [Server] Event Scheduler: Access denied for user to database 03:14:34 UTC - mysqld got exception 0xc0000005 ; Most likely, you have hit a bug,...
View ArticleMYSQL 8.0.21 crash (0xc0000005 +0x404ce2cf50) (no replies)
2022-04-18T11:31:10.019825Z 86956983 [ERROR] [MY-010045] [Server] Event Scheduler: Access denied for user to database 11:34:40 UTC - mysqld got exception 0xc0000005 ; Most likely, you have hit a bug,...
View ArticleMySQL 8.0 – locking details (no replies)
MySQL 8.0 – locking details - https://lefred.be/content/mysql-8-0-locking-details/
View ArticleMysql 8.0.21 [ERROR] [MY-011906] [InnoDB] Database page corruption on disk or...
2022-06-28T04:30:17.504461Z 1 [ERROR] [MY-011906] [InnoDB] Database page corruption on disk or a failed file read of page [page id: space=4294967279, page number=3619]. You may have to recover from a...
View ArticleMySQL InnoDB Redo Log Archiving (no replies)
https://lefred.be/content/mysql-innodb-redo-log-archiving/
View ArticleA Comprehensive (and Animated) Guide to InnoDB Locking (no replies)
A Comprehensive (and Animated) Guide to InnoDB Locking - https://jahfer.com/posts/innodb-locks/
View ArticleRe: MySQL 8.0 Command Line Client Error 1205 (3 replies)
Side Note: Lol, I am not a newb to MySQL (rather, an amateur at the Command Line as I even had trouble finding it when it was pre-installed with a Community Package), but I do not know where else to...
View ArticleProblems INNODB_FAST_SHUTDOWN (no replies)
Hello, I am very neophyte with MYSQL but I have a problem when starting the MYSQL service on an Ubuntu Server 20.04. When I try to restart the MYSQL service I get the following error: [ERROR]...
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