Reproducing Bug #115113 (no replies)
https://bugs.mysql.com/bug.php?id=115113 Could you pelase try to reproduce the following bug with Linux (amd64)? I think it is present across 8.0.x-8.4.0 codebase, I think it is reproducible on a...
View ArticleNeed help to review a serializability implementation for MySQL Cluster (1 reply)
Hey guys, I've developed a serializability implementation for MySQL Cluster(NDB Cluster) and you are invited to peer-review it for me. I believe it is the fifth one in commercial database systems...
View ArticleTroubleshooting innodb mysql-router containers as they are in a unhealthy...
Hi, I have been facing an issue with my innodb setup of 3 nodes. Each node runs two containers with image mysql/mysql-server:5.7 and mysql/mysql-router:latest. These nodes are VM of an esxi which were...
View Articlemysql buffer pool how monitor (no replies)
The memory size of my server is 128GB with a 4-core processor, and I have configured the MySQL buffer pool to 12GB. Every time when concurrent requests start, I notice that the MySQL service becomes...
View Articleinnodb_buffer_pool (no replies)
Storage pool size parameter: innodb_buffer_pool 1. Understanding the size of the storage pool: When accessing a large amount of data, the time for large amounts of data is not directly related to the...
View Article[ERROR] InnoDB: Database page corruption on disk or a failed file read of...
Hello, I ran into a problem with my MySQL database on a Nvidia Jetson Nano. All of a sudden the database went corrupt with message: [ERROR] InnoDB: Database page corruption on disk or a failed file...
View ArticleTemu Coupon Code [ACP856709]: Get Flat $100 OFF + 30% Discount (no replies)
Look no further than Temu, the e-commerce sensation that's taking the world by storm! I'm thrilled to share with you the latest Temu coupon codes that will supercharge your savings. Let's dive into...
View ArticleInnodb 5.7 include and failover to new member (no replies)
Hello Guys, I am fresh in Mysql innodb and I am in charge to include a new member on the Innodb Cluster and after that promote it to master ( R\W ). However, It is a production Environment and I...
View ArticleDelete With JSON Filling /tmp Space (no replies)
MySQL 8.0.37 statement: DELETE FROM table WHERE datefield<'date'; table has 6 int, date, timestamp, and short (<32) varchar fields and 1 LARGE JSON field. Deleting 2500 records is filling 800M...
View ArticleMySQL execute plan behaves different in Master and Slave (no replies)
I have one MySQL query, and that query is using an index on the master but not using an index on the slave. The query is as simple as SELECT * FROM table1 JOIN table2 ON table1.primary_id =...
View ArticleMySql 5.7 wrong (apparently) value of character_maximum_length (2 replies)
Hi I am trying to analyze a table structure, to understand why ALTER TABLE operations take so long time. My attention comes to longtext and mediumtext columns. One of them, though, has a strange clue...
View ArticleEnhancing MVCC ReadView Scalability (4 replies)
The MVCC ReadView uses a vector to store the list of active transactions. In high-concurrency scenarios, this list can become large, leading to a larger working set. In NUMA environments, both...
View ArticleDeadlock (no replies)
A couple of days ago this deadlock happened on our MySql 5.7 database: ------------------------ LATEST DETECTED DEADLOCK ------------------------ 2024-09-25 11:03:39 0x14b52a06b700 *** (1)...
View ArticleMySQL 8.4.2 MY-013935 IO-layer timeout before wait_timeout was reached. (no...
Hello, we used MySQL 5.7.35 + java 17 web application with connector mysql-connector-j-8.2.0. Application is on different host and running on Windows platform. Database is running on Windows as well....
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