New features

• Add low-latency optimistic merging
• Add indexer for xAL 2.0 addresses
• Improve query performance
• Improve indexer performance
• Improve scalability during import/indexing
• Add cache for indexable chunks to reduce network load
• Add possibility to POST compressed files (GZIP)
• Add support for multiple Elasticsearch hosts (i.e. Elasticsearch cluster)
• Add possibility to automatically update the list of Elasticsearch hosts
• Return number of unmerged chunks in HTTP trailer
• Compress communication between GeoRocket and Elasticsearch (configurable)
• Enable snappy compression for MongoDB connection
• Support YAML syntax in environment variables
• Log memory info on startup

Command-line application

• Display progress while importing
• Print metrics at the end of import process
• Compress communication with the GeoRocket server
• Add options to enable low-latency optimistic merging
• Print number of unmerged chunks

Server API

• Improve usability of server API

Client API

• Add possibility to enable low-latency optimistic merging
• Add API to get number of unmerged chunks

Bug fixes

• Import a file only after it has been written/closed completely
• Fix NOT queries with embedded EQ clause
• Add missing documentation for scrolling

Internal changes

• Update Vert.x to 3.5.3
• Upgrade Elasticsearch to 6.3.2
• Upgrade Gradle Wrapper to 4.10
• Reduce log output