- Working on Big Data Frameworks (e.g., Spark, Trino, Prestodb)
- Currently focus on Spark Rapids project at Nvidia
- Pior to that, I worked in Intel Big Data Framework team as engineering manager.
🎯
Focusing
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Nvidia
- China
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Activity overview
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Contribution activity
March 2025
Reviewed 12 pull requests in 2 repositories
NVIDIA/spark-rapids
11 pull requests
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Add lore replay doc
This contribution was made on Mar 21
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Disable iceberg load temporarily
This contribution was made on Mar 17
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print the count of threads being blocked when OOM is thrown from retr…
This contribution was made on Mar 14
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Support build side is join side for outer join [databricks]
This contribution was made on Mar 7
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HybridScan: Enable bucketed read
This contribution was made on Mar 7
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Materialize the stream side first for BroadcastNestedLoopJoins [databricks]
This contribution was made on Mar 6
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Fix an API change issue for DB350+[databricks]
This contribution was made on Mar 6
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Add AST expression support for
IsNull
andIsNotNull
This contribution was made on Mar 6 -
Create shim wrapper for unexpectedValue-like SparkException [databricks]
This contribution was made on Mar 6
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HybridScan: fix Filter Elimination under AQE
This contribution was made on Mar 5
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Support HiveHash in GPU partitioning
This contribution was made on Mar 4
NVIDIA/spark-rapids-tools
1 pull request
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Adds aggregation across metrics for failed/succeeded and non completed stages
This contribution was made on Mar 3
Created an issue in NVIDIA/spark-rapids that received 5 comments
[FEA] Extend LoRe functionality to support output data validation
Ensure the consistent behavior of Spark Rapids plugin is critical to end customer. And the output validation workflow could be: (1) check the input…
2 tasks
Opened 1 other issue in 1 repository
NVIDIA/spark-rapids
1
closed
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[FEA] Need a data dump for Kudo shuffle format on problematic host buffers when exception occurred
This contribution was made on Mar 6
21
contributions
in private repositories
Mar 4 – Mar 21