Elasticsearch 7.4.0 release, distributed search and data analysis engine

Elasticsearch 7.4.0 released, Elasticsearch RESTful style is a distributed search and data analysis engine.

This updated version is more, the following are major updates:

Breakthrough change

Infra/REST API

• Update REST API standard architecture  # 42 346  (Issue:  # 35262 )

Machine Learning

• Improve progress reports for data analysis box  # 45856

Ranking

• Prohibit the use of air doc on the vector function values  # 43944

Search

• Use float rather than double to query vector  # 46004

Snapshot/Restore

• Provide access and S3 using the path style repository option  # 41966  (Issue:  # 41816 )

Transforms

• In _stats merge task_state and indexer_state  # 45276  (Issue:  # 45 201 )
• Improved response format conversion statistics endpoint  # 44350  (Issue:  # 43767 )

New features

Aggregations

• Support date range field histogram and histogram # 45395
• Cumulative new base agg (scientific data and plug-ins)  # 43661  (Issue:  # 43550 )

Analysis

• Add user dictionaries support inline plug-in in Kuromoji  # 45489  (Issue:  # 25343 )

Authentication

• The field of PKI authentication delegation  # 45906  (Issue:  # 34396 )
• PKI identity of the new endpoint validation delegate  # 43 796  (Issue:  # 34396 )

Authorization

• Fine permission to add API key  # 42020

Features / WEATHER

• Add Snapshot lifecycle management  # 43934  (Issue:  # 38461 )

Features/Watcher

• Foreach max_iterations by performing the operation configuration to the observer  # 45 715  (DELINQUENCY:  # 41997 ,  # 45169 )

Geo

• [SPATIAL] new Descartes ShapeQueryBuilder used to query the index of geometric  # 45108  (Issue:  # 44980 )
• [GEO] New ShapeFieldMapper index for Cartesian geometry  # 44980
• New Processor Circle  # 43851  (Issue:  # 43 554 )
• Cartesian geometry for a new shape index field type  # 43644

Machine Learning

• Allows the user to "assessment data block" is specified in the query request  # 45775  (Issue:  # 45 729 )
• Calling the new _estimate_memory_usage API endpoint on a data frame analysis _start  # 45 536  (AND DELINQUENCY:  # 44699 ,  # 45544 )
• HLRC memory for using the estimated AxiPI  # 45531  (DELINQUENCY:  # 44699 ,  # 45188 )
• Now a solid x ml / data_frame / analytics / _estimate_memory_usage API endpoint  # 45188  (Issue:  # 44699 )

Details for update instructions .