Spark-3.5: Add spark action to compute partition stats #12450
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@huaxingao, @karuppayya, @flyrain, @aokolnychyi, @deniskuzZ, @gszadovszky, @pvary : Tagging the people who might be intersted in this feature and review. Will add a call procedure on top it once this PR is merged. |
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ajantha-bhat
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Mar 7, 2025
| LOG.info("Computing partition stats for {} (snapshot {})", table.name(), snapshot.snapshotId()); | ||
| PartitionStatisticsFile statisticsFile; | ||
| try { | ||
| statisticsFile = PartitionStatsHandler.computeAndWriteStatsFile(table, snapshot.snapshotId()); |
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Using the local algorithm instead of distributed algorithm as we did a POC and JMH benchmarks and found out that serialization cost high for distributive approach. Hence, went with local algorithm.
more info:
#9437 (comment)
and #9437 (comment)
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