Danny Chen created HUDI-9659:
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Summary: Revisit the design of HoodieRecord metadata
Key: HUDI-9659
URL: https://issues.apache.org/jira/browse/HUDI-9659
Project: Apache Hudi
Issue Type: Improvement
Components: core
Reporter: Danny Chen
Fix For: 1.2.0
Currently, each HoodieRecord takes an optional Map as a metadata, which is used
for function like event_time metadata tracing, but it is not as efficient.
Before write a record in each write handle, we initialize a new map to keep the
metadata if the HoodieRecord is empty(now it is always empty), and pass it to
the WriteStatus.markSuccess, the write status then fetchs the meta from the
map, this happens for every record.
Suggestion, remove the metadata from HoodieRecord, and add API on WriteStauts
to collect the whatever metadata we like directly, for e.g,
{code:java}
WriteStatus.collectEventTimeMetadata(Object eventTime).
{code}
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