Re: Release Apache Spark 2.4.4 before 3.0.0

2019-07-12 Thread Dongjoon Hyun
Thank you, Jacek. BTW, I added `@private` since we need PMC's help to make an Apache Spark release. Can I get more feedbacks from the other PMC members? Please me know if you have any concerns (e.g. Release date or Release manager?) As one of the community members, I assumed the followings (if

Partition pruning by IDs from another table

2019-07-12 Thread Tomas Bartalos
Hello, I have 2 parquet tables: stored - table of 10 M records data - table of 100K records *This is fast:* val dataW = data.where("registration_ts in (20190516204l, 20190515143l,20190510125l, 20190503151l)") dataW.count res44: Long = 42 //takes 3 seconds stored.join(broadcast(dataW),

Re: Help: What's the biggest length of SQL that's supported in SparkSQL?

2019-07-12 Thread Reynold Xin
No sorry I'm not at liberty to share other people's code. On Fri, Jul 12, 2019 at 9:33 AM, Gourav Sengupta < gourav.sengu...@gmail.com > wrote: > > Hi Reynold, > > > I am genuinely curious about queries which are more than 1 MB and am > stunned by tens of MB's. Any samples to share :)  > >

Re: Help: What's the biggest length of SQL that's supported in SparkSQL?

2019-07-12 Thread Gourav Sengupta
Hi Reynold, I am genuinely curious about queries which are more than 1 MB and am stunned by tens of MB's. Any samples to share :) Regards, Gourav On Thu, Jul 11, 2019 at 5:03 PM Reynold Xin wrote: > There is no explicit limit but a JVM string cannot be bigger than 2G. It > will also at some

Re: Problems running TPC-H on Raspberry Pi Cluster

2019-07-12 Thread agg212
Good to know. Will look into the Raspberry Pi 4 (w/4GB RAM). In general, are there any tuning or configuration tips/tricks for very memory-constrained deployments (e.g., 1-4GB RAM)? -- Sent from: http://apache-spark-user-list.1001560.n3.nabble.com/

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2019-07-12 Thread Conor Begley
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