Tanvi Penumudy created HDDS-11894:
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Summary: PreAllocate and Cache Blocks in OM
Key: HDDS-11894
URL: https://issues.apache.org/jira/browse/HDDS-11894
Project: Apache Ozone
Issue Type: New Feature
Components: Ozone Manager, SCM
Reporter: Tanvi Penumudy
Assignee: Tanvi Penumudy
Whenever a write operation occurs, OM calls into SCM for allocateBlock.
Frequent RPC calls to SCM can become a performance bottleneck under heavy
workloads. To address this, what if we can prefetch (preallocate) blocks from
SCM asynchronously and cache them within OM to reduce this dependency on SCM?
Design Proposal:
https://docs.google.com/document/d/1hQAIBClitlVbZRetSPNat9Z-6qZzra8QmWLo1I2WL3k/
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