Kyoungha Min created BEAM-9461:
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Summary: CLONE - To use ByteArrayOutput/InputStream without
synchronization
Key: BEAM-9461
URL: https://issues.apache.org/jira/browse/BEAM-9461
Project: Beam
Issue Type: Wish
Components: sdk-java-core
Reporter: Kyoungha Min
It would be nice to see Beam using custom ByteArrayInput/OutputStream without
synchronization. It currently uses `ThreadLocal`, so using thread-safe stream
seems unnecessary. And all streams should never be access by more than 1 thread
from the start anyway.
Simply getting rid of the synchronized keyword will speed up about ~500 times
for single byte access. Something like org.apache.beam.sdk.util.VarInt will get
significant benefit from it.
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