Mysql 5.7 fails to create more than 50 threads (no replies)
Hi guys, I'm facing a serious problem with opening new threads. Currently the structure is active with a master-slave database serving 6,000 simultaneous users. The demand is high and the flow has...
View ArticleMySql Innodb Cluster for HA (no replies)
We have created a MySql 8.0.31 Innodb Cluster with 3 instance in Windows server 2019. We are facing to Create HA with Cluster : When any instance shutdown and reboot uncertainly then the instance goes...
View ArticleUpgrade XAMPP - mysql error (no replies)
Hi. I am new to mySQL. I am trying to upgrade the MariaDB version to meet the requirements for a Moodle LMS. I followed instructions to upgrade the database. I get an error when I start mySQL now....
View ArticleMySQL: InnoDB Fragmentation (no replies)
https://blog.koehntopp.info/2023/07/06/mysql-innodb-fragmentation.html
View ArticleMySQL 8.0: 1213 Deadlock not logged (no replies)
Hi, I'm struggling to understand a deadlock I'm getting on my program and hoping someone can give me some pointers, please? I have a suite of CI test running on my application, with tests running in...
View ArticleMySQL Server Crash with Exception Code 0xc0000005 (no replies)
Hello MySQL community, I'm encountering a persistent issue with my MySQL server crashing unexpectedly, and I'm seeking assistance in diagnosing and resolving this problem. The server crash is...
View Articlemysql got exception 0x16 (no replies)
OS: Windows Server 2016 WordPRess: 6.3.2 Mysqld: version: 8.0.28.0 I just want a confirmation if this is similar to an older post about "exception 0x16", and if I need to install 8.0.29. The error log...
View ArticleCREATE TABLE ENGINE=INNODB DATA DIRECTORY = '/external/directory' (no replies)
CREATE TABLE ENGINE=INNODB DATA DIRECTORY = '/external/directory' Cuando requiero crear una tabla de manera externa en Mysql 8, me sale el siguiente error: Error Code: 1030. Got error 168 - 'Unknown...
View ArticleMysql 5.7 estimate alter table work (no replies)
Hi Is there any way to estimate the work needed for an ALTER TABLE on a table? I am using Mysql 5.7 on AWS RDS. Just wonder if something like "EXPLAIN" exists for "ALTER TABLE" The table has a size of...
View ArticleCan I get InoDB to split tables by size? (no replies)
OS: FreeBSD 14.0-RELEASE MySQL: MySQL 8.0.32_3 FS: ZFS I am working on a new database. The schema consists of a single table and nothing else. I know the table will grow at a rapid and constant rate;...
View ArticleDatabase connection problem. (no replies)
Hi I'm getting Database connection problem, while trying to access. Unable to start mysql .. error is as below.. how can i troubleshoot this issue ? i am running windows7.. 2024-01-03 15:19:20 4692...
View ArticleRename table taking too long on MySql 8 (no replies)
We recently upgraded from MySql 5.7 to 8 and have run into this issue. We have a rename table operation that runs every minute. It used to take a fraction of a second, but now it takes over 6.0...
View ArticleUnexpected inconsistent read during a transaction (no replies)
I've encountered some very unexpected behavior in the InnoDB engine using the REPEATABLE READ isolation level. My application begins a transaction, reads a single row, updates a field in that row, and...
View ArticleMySQL restarts - mysqld got signal 11 ; (no replies)
We host a web app using MySQL on AWS RDS. We recently upgraded to MySQL8 (8.0.28) and since then we are seeing the server restart itself approximately every 5-7 days with the following error. ========...
View ArticleIncorrect string value (no replies)
I have a table in an InnoDB database. The character set is utf8mb4 and the collation is utf8mb4_0900_ai_ci. I have a field in the table defined as longtext, whose collation is also utf8mb4_0900_ai_ci....
View ArticleMySQL 8.0.35 crashes (no replies)
Hi All The application is performing a read query but the database is crashing and not recovering. The force_innodb_recovery flag has to be set to 2 inorder to recover. The operating system has enough...
View ArticleMySQL 8.0.35 crashes during startup (no replies)
We are facing problem where MySQL service crashes with below error. ‘binlog_transaction_compression’ is also turned off in our setup. We are able to force recovery. Can someone tell us the reason for...
View ArticleMySQL 8.4 LTS – new production-ready defaults for InnoDB (no replies)
https://lefred.be/content/mysql-8-4-lts-new-production-ready-defaults-for-innodb/
View ArticleWhy is this deadlock happening? (no replies)
I see that one microsservice is causing this deadlock bellow but couldn't find the root cause. I wouldn't expect this to happen sice 2 different threads are executing a replace command for 2 different...
View ArticleInformations and tune for Purge system! (no replies)
Hi all, i have some questions about MySQL purge system. I read from the official documentation the purge system is automatically scheduled so i don't need to enable it in some way, but i didn't...
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