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If enabled it will allow Patroni to cope with DCS outages. In case of a DCS outage the leader tries to call all remaining members in the cluster via API and if all of them respond with success the leader will not be demoted. The failsafe_mode could be enabled by running ```sh patronictl edit-config -s failsafe_mode=true ``` or by calling the `/config` REST API endpoint. Co-authored-by: Polina Bungina <[email protected]>
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44 lines
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.. Patroni documentation master file, created by
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sphinx-quickstart on Mon Dec 19 16:54:09 2016.
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You can adapt this file completely to your liking, but it should at least
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contain the root `toctree` directive.
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Introduction
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============
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Patroni is a template for you to create your own customized, high-availability solution using Python and - for maximum accessibility - a distributed configuration store like `ZooKeeper <https://zookeeper.apache.org/>`__, `etcd <https://github.com/coreos/etcd>`__, `Consul <https://github.com/hashicorp/consul>`__ or `Kubernetes <https://kubernetes.io>`__. Database engineers, DBAs, DevOps engineers, and SREs who are looking to quickly deploy HA PostgreSQL in the datacenter-or anywhere else-will hopefully find it useful.
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We call Patroni a "template" because it is far from being a one-size-fits-all or plug-and-play replication system. It will have its own caveats. Use wisely. There are many ways to run high availability with PostgreSQL; for a list, see the `PostgreSQL Documentation <https://wiki.postgresql.org/wiki/Replication,_Clustering,_and_Connection_Pooling>`__.
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Currently supported PostgreSQL versions: 9.3 to 15.
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**Note to Kubernetes users**: Patroni can run natively on top of Kubernetes. Take a look at the :ref:`Kubernetes <kubernetes>` chapter of the Patroni documentation.
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.. toctree::
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:maxdepth: 2
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:caption: Contents:
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README
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dynamic_configuration
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dcs_failsafe_mode
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rest_api
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existing_data
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ENVIRONMENT
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SETTINGS
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security
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replica_bootstrap
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replication_modes
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pause
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kubernetes
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watchdog
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releases
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CONTRIBUTING
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Indices and tables
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==================
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* :ref:`genindex`
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* :ref:`modindex`
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* :ref:`search`
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