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    Posts

    Tag: recovery

    10.11.2020 | Laurenz Albe

    Dealing with streaming replication conflicts in PostgreSQL

    © Laurenz Albe 2020 Streaming replication in PostgreSQL is a well-established master-slave replication technique. It is simple to set up, stable and performs well. So many people are surprised when they learn about replication conflicts — after all, the standby server is read-only. This article describes replication conflicts and tells you how to deal with […]

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    18.12.2019 | Laurenz Albe

    recovery.conf is gone in PostgreSQL v12

    © Laurenz Albe 2019 The biggest change in PostgreSQL v12 from the viewpoint of backward compatibility is that recovery.conf has been absorbed into postgresql.conf. This article describes the changes and how you can adapt to them. Getting rid of recovery.conf Up to now, the presence of the file recovery.conf was the trigger for PostgreSQL to […]

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    22.10.2019 | Laurenz Albe

    Never lose a PostgreSQL transaction with pg_receivewal

    © Laurenz Albe 2019   “Durability”, the D of ACID, demands that a committed database transaction remains committed, no matter what. For normal outages like a power failure, this is guaranteed by the transaction log (WAL). However, if we want to guarantee durability even in the face of more catastrophic outages that destroy the WAL, […]

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