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MySQL Shell Dump & Load and Compression

MySQL Shell is the popular tool to work with MySQL and it integrates perfectly everything for MySQL Database Service (MDS) in Oracle Cloud Infrastructure (OCI). For any logical dump and load of data and especially to dump data to MDS, MySQL Shell Utility is the recommended solution. MySQL Shell Dump...

Scale-up MySQL NDB Cluster 8.0.26 to +1.5M QPS the easy way with AMD EPYC 7742

On July 20th, 2021, we’ve celebrated the release of MySQL NDB Cluster 8.0.26. MySQL NDB Cluster (or NDB for short) is part of the MySQL family of open-source products providing an in-memory, distributed, shared-nothing, high-availability storage engine usable on its own or with MySQL servers as front-ends. For the complete changeset see release notes. Download it here.

Choosing a database can be an overwhelming task, requiring to consider performance (throughput and latency), high availability, data volume, scalability, ease of use/operations, etc. These considerations are affected by where the database runs — whether that is in a cloud provider such as …

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Scale-up MySQL NDB Cluster 8.0.26 to +1.5M QPS the easy way with AMD EPYC 7742

On July 20th, 2021, we’ve celebrated the release of MySQL NDB Cluster 8.0.26. MySQL NDB Cluster (or NDB for short) is part of the MySQL family of open-source products providing an in-memory, distributed, shared-nothing, high-availability storage engine usable on its own or with MySQL servers as front-ends. For the complete changeset see release notes. Download it here

Choosing a database can be an overwhelming task, requiring to consider performance (throughput and latency), high availability, data volume, scalability, ease of use/operations, etc. These considerations are affected by where the database runs — whether that is in a cloud provider such as …

[Read more]
Scale-up MySQL NDB Cluster 8.0.26 to +1.5M QPS the easy way with AMD EPYC 7742

On July 20th, 2021, we’ve celebrated the release of MySQL NDB Cluster 8.0.26. MySQL NDB Cluster (or NDB for short) is part of the MySQL family of open-source products providing an in-memory, distributed, shared-nothing, high-availability storage engine usable on its own or with MySQL servers as fron...

Galera Cluster for MySQL 5.7.34 and 8.0.25 released

Codership is pleased to announce a new Generally Available (GA) release of the multi-master Galera Cluster for MySQL 5.7 and 8.0, consisting of MySQL-wsrep 5.7.34 (release notes, download) and MySQL-wsrep 8.0.25 (release notes, download) with Galera replication library 3.34 (release notes, download) implementing wsrep API version 25 …

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Announcing Vitess 11

On behalf of the Vitess maintainers, I am pleased to announce the general availability of Vitess 11. Major Themes # In this release, Vitess Maintainers have made significant progress in several areas, including Benchmarking, VTAdmin, Schema Tracking, Online DDL, and Performance improvements. While Schema Tracking is experimental, we’re very excited to have Gen4 planner evolving as well. Please take a moment to review the Release Notes. Please read them carefully and report any issues via GitHub.

MySQL Data Locks: Mapping 8.0 to 5.7

As of MySQL 8.0, performance_schema.data_locks shows InnoDB data locks. Before MySQL 8.0, you must SET GLOBAL innodb_status_output_locks=ON and ruminate on the output of SHOW ENGINE INNODB STATUS. The image below (click to see full size) shows how the former maps to the latter for three record locks and one table lock on table t. Information Schema tables INNODB_LOCKS and INNODB_LOCK_WAITS are deprecated as of MySQL 5.7 and removed as of MySQL 8.

MySQL Data Locks: Mapping 8.0 to 5.7

As of MySQL 8.0, performance_schema.data_locks shows InnoDB data locks. Before MySQL 8.0, you must SET GLOBAL innodb_status_output_locks=ON and ruminate on the output of SHOW ENGINE INNODB STATUS. The image below (click to see full size) shows how the former maps to the latter for three record locks and one table lock on table t.

Information Schema tables INNODB_LOCKS and INNODB_LOCK_WAITS are deprecated as of MySQL 5.7 and removed as of MySQL 8.0. They are better than nothing, but “Persistence and Consistency of InnoDB …

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MySQL Data Locks: Mapping 8.0 to 5.7

As of MySQL 8.0, performance_schema.data_locks shows InnoDB data locks. Before MySQL 8.0, you must SET GLOBAL innodb_status_output_locks=ON and ruminate on the output of SHOW ENGINE INNODB STATUS. The image below (click to see full size) shows how the former maps to the latter for three record locks and one table lock on table t. Information Schema tables INNODB_LOCKS and INNODB_LOCK_WAITS are deprecated as of MySQL 5.7 and removed as of MySQL 8.

MySQL 8.0.26: thank you for the contributions

MySQL 8.0.26 has been released last week !

As usual, it’s highly advised to read the release notes to get informed about the changes and bug fixed.

MySQL is Open Source and each release contains contributions from our great Community. Let me thanks all the contributors on behalf of the entire MySQL Team: Thank you !

MySQL 8.0.26 includes contributions from Venkatesh Prasad Venugopal, Zhai Weixiang, Miron Balcerzak, Marc Fletcher, Zheng Lai, Huqing Yan, Lee William, Brian Yue, Marcus Ekström, Adam, Cable, Garen Chan, Xiaoyu Wang, Marcelo Altmann and Facebook.

Once again, thank you all for your great contributions.

Here is the list of the above contributions and related bugs:

Replication …

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