Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 74410200B83 for ; Sat, 17 Sep 2016 11:42:24 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 7337A160ABB; Sat, 17 Sep 2016 09:42:24 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 28883160ADE for ; Sat, 17 Sep 2016 11:42:22 +0200 (CEST) Received: (qmail 41130 invoked by uid 500); 17 Sep 2016 09:42:22 -0000 Mailing-List: contact issues-help@spark.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list issues@spark.apache.org Received: (qmail 41023 invoked by uid 99); 17 Sep 2016 09:42:22 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 17 Sep 2016 09:42:22 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 1BBEE2C1B7F for ; Sat, 17 Sep 2016 09:42:22 +0000 (UTC) Date: Sat, 17 Sep 2016 09:42:22 +0000 (UTC) From: "Apache Spark (JIRA)" To: issues@spark.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Assigned] (SPARK-17574) Cache ShuffleExchange RDD when the exchange is reused MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Sat, 17 Sep 2016 09:42:24 -0000 [ https://issues.apache.org/jira/browse/SPARK-17574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Apache Spark reassigned SPARK-17574: ------------------------------------ Assignee: Apache Spark > Cache ShuffleExchange RDD when the exchange is reused > ----------------------------------------------------- > > Key: SPARK-17574 > URL: https://issues.apache.org/jira/browse/SPARK-17574 > Project: Spark > Issue Type: Improvement > Components: Spark Core > Reporter: Liang-Chi Hsieh > Assignee: Apache Spark > > We have the rule ReuseExchange to reuse exchange in the physical plan. However, for a ShuffleExchange we still need to retrieve remote blocks again when the shuffle exchange is reused. We can cache the RDD of the reused ShuffleExchange to avoid transferring remote blocks again. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org For additional commands, e-mail: issues-help@spark.apache.org