DFSIO write performance benchmark shows a regression
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Key: HADOOP-2768
URL: https://issues.apache.org/jira/browse/HADOOP-2768
Project: Hadoop Core
Issue Type: Bug
Components: dfs
Affects Versions: 0.16.0
Reporter: Mukund Madhugiri
Assignee: dhruba borthakur
Priority: Blocker
Fix For: 0.16.0
We are seeing a performance regression in DFSIO write benchmark, possibly due
to Hadoop-1707.
Here is the data:
- Aggregate cluster throughput went from 0.30G to 0.14G with 39 concurrent
clients, on 20 nodes
- Aggregate cluster throughput went from 1.15G to 0.85G with 39 concurrent
clients, on 100 nodes
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