Viraj Jasani created HDFS-16092:
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Summary: Avoid creating LayoutFlags redundant objects
Key: HDFS-16092
URL: https://issues.apache.org/jira/browse/HDFS-16092
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Viraj Jasani
Assignee: Viraj Jasani
We use LayoutFlags to represent features that EditLog/FSImage can support. The
utility helps write int (0) to given OutputStream and if EditLog/FSImage
supports Layout flags, they read the value from InputStream to confirm whether
there are unsupported feature flags (non zero int). However, we also create and
return new object of LayoutFlags, which is not used anywhere because it's just
a utility to read/write to/from given stream. We should remove such redundant
objects from getting created while reading from InputStream using
LayoutFlags#read utility.
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