David Christle

ORC-817: Replace aircompressor ZStandard compression with zstd-jni

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### What changes were proposed in this pull request? This PR proposes to replace the [`aircompressor`](https://github.com/airlift/aircompressor) library for ORC's ZStandard compression with [`zstd-jni`](https://github.com/luben/zstd-jni), which is a set of JNI bindings...

Predicate pushdown of COUNT fails on large table

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I'm using `spark-snowflake` connector version `2.9.1` with a `SNAPSHOT` version of Spark compiled using the latest `spark` repository commits on Java `11.0.9`, Scala `2.12.14`, and Snowflake `5.32.4`. It seems that...

[FLINK-34252][table] Fix lastRecordTime tracking in WatermarkAssignerOperator

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## What is the purpose of the change In the current implementation, the lastRecordTime variable, which tracks the time of the last received data element, is updated only when the...

Lower sender information max byte size to safely comply with smaller MTUs

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Uploads from OpenWebRX to PSKReporter have their payload sizes constrained by a check on the size of the Sender Information FlowSet being < 1200 bytes. The intent of this check...

This PR fixes two critical bugs in the PSKReporter upload code. The first bug is incorrect bit shifting that caused malformed FlowSet Length values in IPFIX packets. Changes shifts from...