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![]() To avoid having to either hard-code or manually configure service addresses (possibly several dozen), and to reduce the project's dependency on docker to deal with routing and discovery, the option to use [Zookeeper](https://zookeeper.apache.org/) to manage services and discovery has been added. A service registry interface was added, with a Zookeeper implementation and a basic implementation that only works on docker and hard-codes everything. The last remaining REST service, the assistant-service, has been migrated to gRPC. This also proved a good time to clear out primordial technical debt from the root of the codebase. The 'service-client' library has been taken behind the barn and given a last farewell. It's replaced by a small library for managing gRPC channels. Since it's no longer used by anything, RxJava has been removed as a dependency from the project. Although the current state seems reasonably stable, this is a work-in-progress commit. |
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assistant-service | ||
control-service | ||
executor-service | ||
index-service | ||
query-service | ||
readme.md |
Core Services
The cores services constitute the main functionality of the search engine, relatively agnostic to the Marginalia application.
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The index-service contains the indexes, it answers questions about which documents contain which terms.
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The query-service Interprets queries and delegates work to index-service.
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The control-service provides an operator's user interface, and is responsible for orchestrating the various processes of the system.
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The assistant-service helps the search service with spelling suggestions other peripheral functionality.