Details
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Bug
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Status: Resolved
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Major
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Resolution: Fixed
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2.6.0
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None
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None
Description
Currently RoundRobinVolumeChoosingPolicy use a shared index to choose volumes in HDFS with heterogeneous storages, this leads to non-RR choosing mode for certain type of storage.
Besides, it uses a shared lock for synchronization which limits the concurrency of volume choosing process. Volume choosing threads that operating on different storage types should be able to run concurrently.