The API allows two output modes for all calls: JSON or XML. If care is taken to always reload or restart after a manual edit, then there is no problem at all with doing those edits. The reason that this is discouraged is because hand-edits of the schema may be lost if the Schema API described here is later used to make a change, unless the core or collection is reloaded or Solr is restarted before using the Schema API. Before the Schema API existed, such edits were the only way to make changes to the schema, and users may have a strong desire to continue making changes this way. The file named "managed-schema" in the example configurations may include a note that recommends never hand-editing the file. Why is hand editing of the managed schema discouraged? Future Solr releases will extend write access to allow more schema elements to be modified. Fields, dynamic fields, field types and copyField rules may be added, removed or replaced. ![]() Read access to all schema elements is supported. This API provides read and write access to the Solr schema for each collection (or core, when using standalone Solr). See the section Schema Factory Definition in SolrConfig for more information about choosing a schema factory for your index. The Schema API utilizes the ManagedIndexSchemaFactory class, which is the default schema factory in modern Solr versions. The Schema API allows you to use an HTTP API to manage many of the elements of your schema. How to Contribute to Solr Documentation.Authentication and Authorization Plugins.Monitoring Solr with Prometheus and Grafana.Adding Custom Plugins in SolrCloud Mode.RequestHandlers and SearchComponents in SolrConfig.Schema Factory Definition in SolrConfig.DataDir and DirectoryFactory in SolrConfig.Introduction to Scaling and Distribution.Migrating Rule-Based Replica Rules to Autoscaling Policies.SolrCloud Autoscaling Automatically Adding Replicas.Cross Data Center Replication Operations.SolrCloud with Legacy Configuration Files. ![]()
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