PostgreSQL streaming replication setup, synchronous vs asynchronous tradeoffs, logical replication for selective sync and zero-downtime upgrades, pg_basebackup for standby creation, Patroni with etcd for automatic failover, pg_rewind for rejoining a former primary, and monitoring replication lag.
Ha
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PostgreSQL Replication and High Availability -
Proxmox VE in Production Building and running a Proxmox VE cluster in production: storage backends (ZFS, Ceph, NFS), VM and LXC management, live migration, high availability with fencing, PCIe passthrough, and backup with Proxmox Backup Server.
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Proxmox for SMB: Migrating from VMware A practical guide for small and medium businesses migrating from VMware to Proxmox VE — covering migration tooling, vmdk conversion, cluster design, multi-site HA, disaster recovery, and running a production Proxmox environment on a real budget.