This is the sequence that gets you in trouble:

In this scenario your hand-edits can be lost since the in-memory version of the
schema is written out without re-fetching it from Zookeeper.

If you only ever hand-edit your schema, you'll be fine.

If you conscientiously reload your collection (or restart all your Solr's) after
you hand-edit your schema, you'll be fine even if you use the managed schema
API calls.

But really, if you want to hand-edit your schema why not go back to using
the ClassicSchemaFactory? See:
https://cwiki.apache.org/confluence/display/solr/Schema+Factory+Definition+in+SolrConfig#SchemaFactoryDefinitioninSolrConfig-SwitchingfromManagedSchematoManuallyEditedschema.xml

Best,
Erick

On Sun, Feb 26, 2017 at 8:22 AM, Issei Nishigata <[EMAIL PROTECTED]> wrote:
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