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•  how to pass hints through geoserver viewparams parameter
•  hints to select query strategy
•  hints/system props to select cost strategy for selecting index
•  hints/system props to select exact count behavior
•  hints/system props to enable query timeouts
•  system prop for number of ranges that will be split into multiple queries
•  system prop for feature ID generation
•  batch writer config - org.locationtech.geomesa.accumulo.GeomesaSystemProperties.BatchWriterProperties
•  spark-sql, spark-sql rest API
•  BIN formats? enabling gzip for BIN format 
•  Index improvements per specific versions, how updating versions will only use index improvements for new schemas e.g. why should users migrate data
•  reserved keywords: GEOMESA-1229
•  loose bbox config and implications
•  query sampling
•  sft keywords for geoserver layers

Proposed docs architecture (chapters and sections)

• Introduction
• Architecture Overview
• Installation and Configuration
• Accumulo Data Store
• Kafka Data Store
• HBase/BigTable Data Stores
• Cassandra Data Store
• Blobstore
• Native API
• Stats API
• GeoServer
• Command-line Tools
• Data Management
• Examples

Sphinx docs vs. READMEs

In many cases there is confusion as to where the definitive documentation for a particular module should be; in the case of the converter library, for example, the README.md is more detailed than the relevant  section in the Sphinx manual.

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