Lokesh Jain created HDDS-1106:
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Summary: Introduce queryMap in PipelineManager
Key: HDDS-1106
URL: https://issues.apache.org/jira/browse/HDDS-1106
Project: Hadoop Distributed Data Store
Issue Type: Bug
Reporter: Lokesh Jain
Assignee: Lokesh Jain
Fix For: 0.4.0
In Genesis benchmark for block allocation it was found that
BlockManager#allocateBlock call was very slow for higher number of pipelines.
This happens because allocateBlock call gets list of pipelines with a
particular replication type, replication factor and state. This list is
calculated by traversing the entries of a map. This Jira aims to optimize the
call by introducing query map in Pipeline Manager.
The pipeline manager would keep a maintain a list of pipelines for every query
type i.e. for every replication type, replication factor.
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