Yea, I wouldn't try and modify the current since RDDs are suppose to be immutable, just create a new one...
val newRdd = oldRdd.map(r => (r._2(), r._1())) or something of that nature... Steve ________________________________ From: Evo Eftimov [evo.efti...@isecc.com] Sent: Thursday, May 14, 2015 1:24 PM To: 'Holden Karau'; 'Yasemin Kaya' Cc: user@spark.apache.org Subject: RE: swap tuple Where is the “Tuple” supposed to be in <String, String> - you can refer to a “Tuple” if it was e.g. <String, Tuple2<String, String>> From: holden.ka...@gmail.com [mailto:holden.ka...@gmail.com] On Behalf Of Holden Karau Sent: Thursday, May 14, 2015 5:56 PM To: Yasemin Kaya Cc: user@spark.apache.org Subject: Re: swap tuple Can you paste your code? transformations return a new RDD rather than modifying an existing one, so if you were to swap the values of the tuple using a map you would get back a new RDD and then you would want to try and print this new RDD instead of the original one. On Thursday, May 14, 2015, Yasemin Kaya <godo...@gmail.com<mailto:godo...@gmail.com>> wrote: Hi, I have JavaPairRDD<String, String> and I want to swap tuple._1() to tuple._2(). I use tuple.swap() but it can't be changed JavaPairRDD in real. When I print JavaPairRDD, the values are same. Anyone can help me for that? Thank you. Have nice day. yasemin -- hiç ender hiç -- Cell : 425-233-8271 Twitter: https://twitter.com/holdenkarau Linked In: https://www.linkedin.com/in/holdenkarau This e-mail is intended solely for the above-mentioned recipient and it may contain confidential or privileged information. If you have received it in error, please notify us immediately and delete the e-mail. You must not copy, distribute, disclose or take any action in reliance on it. In addition, the contents of an attachment to this e-mail may contain software viruses which could damage your own computer system. While ColdLight Solutions, LLC has taken every reasonable precaution to minimize this risk, we cannot accept liability for any damage which you sustain as a result of software viruses. You should perform your own virus checks before opening the attachment.
