THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
In Solr 8.x, there have been some notable deprecations in Solr. However, some of them are merely moving elsewhere. Here is the status of some of those efforts:
| Component | Status in Solr 8.x | Status in Solr 9.0 | Package Status | Package location | Remarks |
|---|---|---|---|---|---|
| SolrClient impls that depend on Apache HttpClient | Deprecate:
| n/a | Use the SolrClient impls based on Jetty HTTP client | ||
| Data Import Handler | Deprecated in 8.6 |
| Community package released | https://github.com/rohitbemax/dataimporthandler | |
| Velocity | Deprecated in 8.4 |
| Community package released | https://github.com/erikhatcher/solritas | |
| CDCR | Deprecated in 8.6 |
| No efforts for community package underway yet | TBD | |
| Storing indexes and backups in HDFS | Deprecated in 8.6 |
| Community package efforts underway | TBD | Some volunteers are already working on this. |
| Autoscaling framework | Removed in: | Autoscaling framework has been replaced with a new plugin for replica placement only. Some aspects of the original framework are not replaced at all at this time (but may be in the future). | n/a | ||
| Tika / SolrCell | Under discussion: | No efforts for community package underway yet | TBD | ||
| Solr Admin UI | No change in current status | A new admin UI (which can replace current UI, if needed) is being actively worked on | https://github.com/yasa-org/yasa | ||
| Runtime lib plugin loading from blob store |
| NA | NA | Replaced by Package Management System | |
| StatelessScript UpdateProcessor | Did not deprecate | Moved to new "scripting" contrib:
| N/A; staying as a 1st party contrib | TBD | This should be extremely easy to package |
| Metrics History | Deprecated in 8.9 | Removed in |
Check out solr.cool for more plugins and other Solr integrations.