Does using schema API mean that no upconfig to zookeeper and no reloading of all the nodes in my solrcloud? In which scenario should I not use schema API, if any? Thanks Jay
On Wed, Mar 16, 2016 at 6:22 PM, Shawn Heisey <apa...@elyograg.org> wrote: > On 3/16/2016 1:14 AM, Alexandre Rafalovitch wrote: > > So, I am looking at the Solr 5.5 examples with their all-in by-default > > managed schemas. And I am scratching my head on the workflow users are > > expected to follow. > > > > One example is straight from documentation: > > "With the above configuration, you can use the Schema API to modify > > the schema as much as you want, and then later change the value of > > mutable to false if you wish to "lock" the schema in place and prevent > > future changes." > > > > Which sounds great, except right above the definition in the > > solrconfig.xml, it says: > > "Do NOT hand edit the managed schema - external modifications will be > > ignored and overwritten as a result of schema modification REST API > > calls." > > > > And the Config API does not seem to provide any API to switch that > > property (schemaFactory.mutable is not an editable property). > > > > So, how is one supposed to lock the schema after modifying it? In the > > default, non-cloud, example! > > > > So far, the nearest I get is to unload the core (losing > > core.properties), manually modify solrconfig.xml in violation of > > instructions and add the core back. What am I missing? > > Note that you *can* hand edit the managed-schema file. It's *strongly* > not recommended if you actually plan to use the Schema API, because any > changes you make manually will be lost if you subsequently use the > Schema API before restart/reload ... but if you always hand edit the > file, or you are *very* careful to make sure that the core/collection > has been reloaded before using the Schema API, then that won't matter. > This is difficult to explain in a concise config comment though, so > hand-editing is simply discouraged. > > Thanks, > Shawn > > -- Thanks Jay Potharaju
