Fusion AI 4.2.2 Release Notes - Lucidworks documentation

Release date: 17 May 2019 Component versions:


Solr 7.5	ZooKeeper 3.4.13	Spark 2.3.2	Jetty 9.4.12.v20180830	Ignite 2.6.0

More information about support dates can be found at Lucidworks Fusion Product Lifecycle.

New features

No new features were introduced in Fusion AI 4.2.2. See the Fusion Server 4.2.2 release notes for other changes.

Synonym pairs are now grouped and treated as one term when for better compatibility with Solr’s “minimum match” (mm) query parameter.
Query rewriting accuracy is improved in this release.
Parallel Bulk Loader (PBL) jobs and Script jobs can now be configured to set environment variables. In the Fusion UI, click Advanced to see this option.
Recommender jobs are no longer scheduled by default; they must now be scheduled manually or run on demand. (Previously, default recommender jobs were automatically scheduled to run after the _user_item_preferences_aggregation job.)

The Spark driver now writes error.log and output.log files to var/log/api instead of var/api/work.
Query Rewriting UI bug fixes:
- Fixed an issue in Fusion Server 4.2.0 and 4.2.1 that caused the UI’s search feature to return a Problem with underlying storage when a query was : followed by an additional query term.
- Fixed a bug that caused the Query Rewriting UI to display an error window that could not be closed.
Signals from the Simulator are no longer sent to the signals collection.
Fixed an issue in the Text Tagger query stage which prevented query rewrites from working after Save Tags in Context had been enabled.
Business rules defined with tags are no longer triggered by queries that contain no tags parameters.