Apache Solr 8.3.0 was released. Apache Solr is an open source search server, using the Java language development, mainly based on HTTP and Apache Lucene implementation. Resources Apache Solr is stored as a Document object store. Each document consists of a series of Field, Field each represents an attribute of the resource. Solr Each Document requires that uniquely identifies its own properties, the name of this property is the default id, use the id described in the Schema configuration file.
Solr 8.3.0 update worthy of attention:
- Alias dimensional routing based on the data values can now be used to organize a set of two fields
- SPLITSHARD implements a new splitByPrefix option, which takes into account the actual document distributed at the time of use CompositeIds
- QueryElevationComponent query rules can be configured to match = "subset", which requires only a subset of the words match the query words, and in any order
- Export documents to file for the command-line options
- Support certainty copy routing preferences, to make better use of cache
- Able to query the alias Solr Admin UI
- JWTAuthPlugin JWKS support multiple endpoints and multiple issuers IdP
- JSON facets now support any range of facets range
- Expression support integral image, cosine distance and by mathematical string truncation
- The new cat () current source can create a tuple from a local file line
- Add up, down, and trimming the split-stream evaluator
- Add CsvStream, TsvStream stream flow and support the expression evaluator
- Add CaffeineCache, which is the effective realization of SolrCache
- Since checks whether the current fragmentation in the active state and later to check for any child between the sub-titles will be forwarded to the update, the cluster state changes, real-time updates may be lost SPLITSHARD
- Repair SPLITSHARD (asynchronous) and lead to sub-base operation failure may cause data loss
- Allows dynamic adjustment of the size of SolrCache-s
- Alternatively edited by allowing 'bin / solr autoscaling -save' saved data
- Optimization of large-scale modifications hosted mode (internal O (n ^ 2) Problems)
- ……
The rest also includes a large content update, as detailed update instructions .