Mysqlhighavailability.com Website Review

mcm 1.4.7 continues to improve mysql cluster manager by adding some sought after features – and some important bugfixes.. temporary tables are now allowed in transactions when gtids are enabled. there has been a recurring request from our users to remove a limit when using global transaction identifiers (gtids) and temporary tables together. the limit is that temporary tables cannot be created and dropped inside a transaction when gtids are turned on.…. extending replication instrumentation: account for memory used in xcom. version 8.0.12 added many great new features to mysql. one of the new features included is the memory instrumentation of the xcom cache, which allows users to view and monitor the memory utilization of the cache by querying performance schema (ps).…. extending replication instrumentation: an insight on transaction retries. mysql 8.0.13 improves replication lag monitoring by extending the instrumentation for transaction transient errors. these temporary errors, which include lock timeouts caused by client transactions executing concurrently as the sl*ve is replicating, do not stop the applier thread: instead, they cause a transaction to retry.… failure detection is a cornerstone of distributed systems as it determines which components are working properly or not, allowing it to tackle both network and host instabilities and failures. like many other distributed systems, group replication (gr) requires a majority having a server acting as a primary with multiple secondaries is the most common setup when using group replication. until now though, there was no way to change the current primary member while the group was running without causing some sort of disruption.… mysql group replication (gr) is a mysql server plugin that enables you to create elastic, highly-available, fault-tolerant replication topologies. groups can operate in a single-primary mode with automatic primary election, where only one server accepts updates at a time. alternatively, groups can be deployed in multi-primary mode, where all servers can accept updates,