Archives: Bridge

In this blog post we will discuss how to use the Tungsten Connector keep-alive feature to ensure long-running MySQL & MariaDB/Percona Server client sessions stay connected in a Tungsten Cluster.

In this blog post, we describe the new Read Affinity tuning feature of the Tungsten Connector. Tungsten Connector read affinity now supports multiple dataservices with ordering and exclusion (only one was previously allowed). You may now fine-tune the affinity per user in user.map and via the global tpm configuration option connector-affinity. Affinity is defined as […]

In this blog post, we demonstrate how to convert a single standalone cluster into a Composite Primary/DR topology running in two data centers. Our example starting cluster has 5 nodes (1 master and 4 slaves) and uses service name alpha. Our target cluster will have 6 nodes (3 per cluster) in 2 member clusters alpha_east […]

In this blog post, we talk about what happened during an installation of the Tungsten Cluster into an environment with SELinux running and mis-configured. An attempt to execute tpm install on v5.3.2 recently failed with the below error: [crayon-5d114cd4b49b3145988598/] Worse, this customer reported that this appeared as a WARNING only in Dev and Staging tests. […]

In this blog post, we talk about how to configure automatic start at boot time for the Tungsten Clustering components. By default, Tungsten Clustering does not start automatically on boot. To enable Tungsten Clustering to start at boot time, use the deployall script provided to create the necessary boot scripts: [crayon-5d114cd4b70c6538273803/] To disable automatic startup […]