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cosmetics
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Doina Cristina Aiftimiei committed May 21, 2020
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- QoS classes

- Addition of QoS classes and QoS API when interacting with namespace entries.

- An administrator of the system may define QoS classes, which are composed of a
set of storage properties and allowed QoS transitions.
- Using the CLI interface (or via HTTP calls), a client may query the QoS class
of an entry or request a QoS transition.
- QoS classes for a particular entry are identified at runtime.

- CDMI gateway for QoS transitions

- Requires the cdmi-eos-qos plugin for the CDMI server

- Converter engine

- The converter engine is composed of two main components: Converter Driver and
Converter Scanner.
- The Converter Driver has been reworked using a threadpool approach and saving
the information in persistent storage (QuarkDB implementation).
This allows persistence (in case of an MGM shutdown), as well as more flexibility
over the conversion execution, such as runtime configurable threads and runtime
statistics.

- Upcoming change:

- The Converter Scanner is a new component, using persistent storage as well,
acting like a background daemon, which scans namespace entries and identifies
files suitable for conversion, according to a given filter criteria.
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