ORC-1601: Reduce get HadoopShims sync block in HadoopShimsFactory

apache / orc

Apache ORC - the smallest, fastest columnar storage for Hadoop workloads

https://orc.apache.org/

Apache License 2.0

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ORC-1601: Reduce get HadoopShims sync block in HadoopShimsFactory #1769

Closed cxzl25 closed 9 months ago

cxzl25 commented 9 months ago

What changes were proposed in this pull request?

Improve calling efficiency of org.apache.orc.impl.HadoopShimsFactory#get.

Why are the changes needed?

org.apache.orc.impl.HadoopShimsFactory#get is a static method with synchronized. It needs to be locked every time it is called. This is unnecessary.

How was this patch tested?

Was this patch authored or co-authored using generative AI tooling?

dongjoon-hyun commented 9 months ago

Thank you, @cxzl25 .