Kentaro Hayashi [ANN] Mroonga 6.11 - Fast fulltext search for all languages on MySQL
Nov 30, 2016; 12:03
Kentaro Hayashi
[ANN] Mroonga 6.11 - Fast fulltext search for all languages on MySQL
Apr 20
daniel.horecki MySQL Cluster 7.4.20 has been released
Apr 20, 2018; 16:53
daniel.horecki
MySQL Cluster 7.4.20 has been released
Dear MySQL Users,
MySQL Cluster is the distributed, shared-nothing variant of MySQL. This storage engine provides:
- In-Memory storage - Real-time performance - Transparent Auto-Sharding - Read & write scalability - Active-Active/Multi-Master geographic replication - 99.999% High Availability with no single point of failure and on-line maintenance - NoSQL and SQL APIs (including C++, Java, http, Memcached and JavaScript/Node.js)
MySQL Cluster 7.4 makes significant advances in performance; operational efficiency (such as enhanced reporting and faster restarts and upgrades) and conflict detection and resolution for active-active replication between MySQL Clusters.
MySQL Cluster 7.4.20, has been released and can be downloaded from
http://www.mysql.com/downloads/cluster/
where you will also find Quick Start guides to help you get your first MySQL Cluster database up and running.
MySQL Cluster enables users to meet the database challenges of next generation web, cloud, and communications services with uncompromising scalability, uptime and agility.
Changes in MySQL NDB Cluster 7.4.20 (5.6.40-ndb-7.4.20) (2018-04-20, General Availability)
MySQL NDB Cluster 7.4.20 is a new release of MySQL NDB Cluster 7.4, based on MySQL Server 5.6 and including features in version 7.4 of the NDB storage engine, as well as fixing recently discovered bugs in previous NDB Cluster releases.
Obtaining MySQL NDB Cluster 7.4. MySQL NDB Cluster 7.4 source code and binaries can be obtained from http://dev.mysql.com/downloads/cluster/.
For an overview of changes made in MySQL NDB Cluster 7.4, see What is New in NDB Cluster 7.4 (http://dev.mysql.com/doc/refman/5.6/en/mysql-cluster-what-is-new-7-4.html).
This release also incorporates all bug fixes and changes made in previous NDB Cluster releases, as well as all bug fixes and feature changes which were added in mainline MySQL 5.6 through MySQL 5.6.40 (see Changes in MySQL 5.6.40 (2018-04-19, General Availability) (http://dev.mysql.com/doc/relnotes/mysql/5.6/en/news-5-6-40.html)).
Bugs Fixed
* NDB Cluster APIs: The maximum time to wait which can be specified when calling either of the NDB API methods Ndb::pollEvents() or pollEvents2() was miscalculated such that the method could wait up to 9 ms too long before returning to the client. (Bug #88924, Bug #27266086)
* Race conditions sometimes occurred during asynchronous disconnection and reconnection of the transporter while other threads concurrently inserted signal data into the send buffers, leading to an unplanned shutdown of the cluster. As part of the work fixing this issue, the internal templating function used by the Transporter Registry when it prepares a send is refactored to use likely-or-unlikely logic to speed up execution, and to remove a number of duplicate checks for NULL. (Bug #24444908, Bug #25128512) References: See also: Bug #20112700.
On Behalf of Oracle/MySQL Release Engineering Team, Daniel Horecki
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