{"push_id":2827508476,"size":2,"distinct_size":2,"ref":"refs/heads/master","head":"6193a202aab0271b4532ee4b740318290f2c44a1","before":"5cdb8a23df6f269d6be0bf3536e9af9e29c4a05f","commits":[{"sha":"5c27b0d4f8d378bd7889d26fb358f478479b9996","author":{"name":"Liang-Chi Hsieh","email":"d24118b4297e1ecf0c990d6935f5f9e6e4fd7701@gmail.com"},"message":"[SPARK-19355][SQL][FOLLOWUP] Remove the child.outputOrdering check in global limit\n\n## What changes were proposed in this pull request?\n\nThis is based on the discussion https://github.com/apache/spark/pull/16677/files#r212805327.\n\nAs SQL standard doesn't mandate that a nested order by followed by a limit has to respect that ordering clause, this patch removes the `child.outputOrdering` check.\n\n## How was this patch tested?\n\nUnit tests.\n\nCloses #22239 from viirya/improve-global-limit-parallelism-followup.\n\nAuthored-by: Liang-Chi Hsieh <viirya@gmail.com>\nSigned-off-by: Wenchen Fan <wenchen@databricks.com>","distinct":true,"url":"https://api.github.com/repos/ueshin/apache-spark/commits/5c27b0d4f8d378bd7889d26fb358f478479b9996"},{"sha":"6193a202aab0271b4532ee4b740318290f2c44a1","author":{"name":"caoxuewen","email":"eb7f0bd4caa8b82cb6828bfd54ff04d7dff1b79c@zte.com.cn"},"message":"[SPARK-24978][SQL] Add spark.sql.fast.hash.aggregate.row.max.capacity to configure the capacity of fast aggregation.\n\n## What changes were proposed in this pull request?\n\nthis pr add a configuration parameter to configure the capacity of fast aggregation.\nPerformance comparison:\n\n```\n Java HotSpot(TM) 64-Bit Server VM 1.8.0_60-b27 on Windows 7 6.1\n Intel64 Family 6 Model 94 Stepping 3, GenuineIntel\n Aggregate w multiple keys:               Best/Avg Time(ms)    Rate(M/s)   Per Row(ns)   Relative\n ------------------------------------------------------------------------------------------------\n fasthash = default                            5612 / 5882          3.7         267.6       1.0X\n fasthash = config                             3586 / 3595          5.8         171.0       1.6X\n\n```\n\n## How was this patch tested?\nthe existed test cases.\n\nCloses #21931 from heary-cao/FastHashCapacity.\n\nAuthored-by: caoxuewen <cao.xuewen@zte.com.cn>\nSigned-off-by: Wenchen Fan <wenchen@databricks.com>","distinct":true,"url":"https://api.github.com/repos/ueshin/apache-spark/commits/6193a202aab0271b4532ee4b740318290f2c44a1"}]}
{"actor":{"display_login":"ueshin"}}