Pratyush Bhatt created HDDS-10043:
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Summary: java.lang.OutOfMemoryError on FSDataOutputStream write ops
Key: HDDS-10043
URL: https://issues.apache.org/jira/browse/HDDS-10043
Project: Apache Ozone
Issue Type: Bug
Components: Ozone Client
Reporter: Pratyush Bhatt
Seems like FSDataOutputStream utilise higher heap memory.
Doing write Ops in ~300 FSDataOutputStream objects sequentially is causing
{color:#FF0000}_java.lang.OutOfMemoryError: Java heap space_
{color}{color:#FF0000}error. {color}
While the FSDataOutputStream on HDFS doesn't throws heap issues, tried with
~3000 objects on same Environment, works fine.
Note: Both the tests were performed in same environment.
Client is a Kube container, specs:
{code:java}
limits:
cpu: "1"
ephemeral-storage: 5G
memory: 300M
requests:
cpu: 200m
ephemeral-storage: 1G
memory: 200M {code}
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