Nikolay Izhikov created IGNITE-29257:
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Summary: Avoid BinaryReaderHandlesHolder allocation in
BinaryReaderExImpl#readObjectDetached
Key: IGNITE-29257
URL: https://issues.apache.org/jira/browse/IGNITE-29257
Project: Ignite
Issue Type: Improvement
Reporter: Nikolay Izhikov
Assignee: Nikolay Izhikov
{{BinaryReaderExImpl#readObjectDetached}} allocates a new
{{BinaryReaderHandlesHolder}} on every call to start a fresh handles context
for the detached object.
The reader itself is a {{BinaryReaderHandlesHolder}}, so the allocation can be
avoided: temporarily reset the reader's own handles, run the detached read with
the reader as the holder, and restore the previous handles in {{finally}}.
{{BinaryReaderHandlesHolder#handles()}} creates handles lazily, so the detached
read still starts with an empty context.
No behaviour change.
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