Supratim Deka created HDDS-1511:
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Summary: Space tracking for Open Containers in HDDS Volumes
Key: HDDS-1511
URL: https://issues.apache.org/jira/browse/HDDS-1511
Project: Hadoop Distributed Data Store
Issue Type: Improvement
Components: Ozone Datanode
Reporter: Supratim Deka
Assignee: Supratim Deka
For every HDDS Volume, track the space usage in open containers. Introduce a
counter committedBytes in HddsVolume - this counts the remaining space in Open
containers until they reach max capacity. The counter is incremented (by
container max capacity) for every container create. And decremented (by chunk
size) for every chunk write.
Space tracking for open containers will enable adding a safety check during
container create.
If there is not sufficient free space in the volume, the container create
operation can be failed.
The scope of this jira is to just add the space tracking for Open Containers.
Checking for space and failing container create will be introduced in a
subsequent jira.
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