[SPARK-50332][CORE] Optimize accurate CompressedMapStatus #48896
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HyukjinKwon
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LuciferYang
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Nov 20, 2024
| ConfigBuilder("spark.shuffle.optimize.compressed.convert.highly.map.status") | ||
| .internal() | ||
| .doc("CompressedMapStatus Convert to HighlyCompressedMapStatus for reduce Driver memory") | ||
| .version("2.3.0") |
LuciferYang
reviewed
Nov 20, 2024
| @@ -839,7 +851,26 @@ private[spark] class MapOutputTrackerMaster( | |||
| } | |||
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| def registerMapOutput(shuffleId: Int, mapIndex: Int, status: MapStatus): Unit = { | |||
| shuffleStatuses(shuffleId).addMapOutput(mapIndex, status) | |||
| if (enableOptimizeCompressedMapStatus && status != null) { | |||
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Can MapStatusesSerDeserBenchmark be used to demonstrate performance improvements?
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What changes were proposed in this pull request?
Optimize accurate CompressedMapStatus
Why are the changes needed?
Does this PR introduce any user-facing change?
How was this patch tested?
Unit test
Was this patch authored or co-authored using generative AI tooling?