LuceneWorkSerializer service should be lazily initialized

Description

DirectoryBasedIndexManager is initializing a LuceneWorkSerializer eagerly;

many IndexManager use cases might not need this service so we might be able to avoid initializing Avro.

Environment

None

Status

Assignee

Sanne Grinovero

Reporter

Sanne Grinovero

Labels

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Suitable for new contributors

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Pull Request

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Feedback Requested

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Fix versions

Priority

Minor