Galera replicates the data across the cluster in a virtually synchronous fashion. Based on the availability of cluster nodes the type of data transfer can vary. The important factor which decides the type of data transfer required here is the existing write set in gcache. Galera Cluster stores write-sets in a special cache called the … Continue reading Major SST methods In XtraDB / MariaDB Cluster and its supporting files.
ProxySQL is the most preferred and is widely used for load-balancing MySQL workload, thanks to Rene Cannon & Team for the great tool, and kudos on the recent release of ProxySQL 1.4.10, with a lot of bug fixes. ProxySQL is simple in design, lightweight, highly efficient and feature rich, We have been working with ProxySQL … Continue reading ProxySQL Series : Percona Cluster/MariaDB Cluster (Galera) Read-write Split
Encryption is a very important form of security and It's becoming a standard from a compliance perspective to ensure PCI, PII and HIPPA compliances. Encryption needs to be performed for Data at Rest, Data over Wire. Data At Rest: Until 5.6, To encrypt the MySQL data files, Only disk level encryption possible (Gazzang, Luks) From … Continue reading Fulfilled Tablespace Encryption (TDE) in Percona Cluster
In this blog post, We will be explaining about the timeouts in SST on systemd implementation which we faced recently in Percona XtraDB Cluster during our Consulting with a client. State Snapshot Transfers (SST) refers to complete data sync from one of the nodes from the cluster to the joining node. SST will happen for one or … Continue reading Handling long duration SST(timeout) in PXC with systemd