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 3A729200B64 for ; Mon, 18 Jul 2016 17:50:22 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 392BB160A5D; Mon, 18 Jul 2016 15:50:22 +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 7A3F1160A65 for ; Mon, 18 Jul 2016 17:50:21 +0200 (CEST) Received: (qmail 22313 invoked by uid 500); 18 Jul 2016 15:50:20 -0000 Mailing-List: contact dev-help@flink.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@flink.apache.org Delivered-To: mailing list dev@flink.apache.org Received: (qmail 22270 invoked by uid 99); 18 Jul 2016 15:50:20 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 18 Jul 2016 15:50:20 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 787F82C0031 for ; Mon, 18 Jul 2016 15:50:20 +0000 (UTC) Date: Mon, 18 Jul 2016 15:50:20 +0000 (UTC) From: "Greg Hogan (JIRA)" To: dev@flink.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (FLINK-4231) Switch DistinctOperator from GroupReduceFunction to ReduceFunction MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Mon, 18 Jul 2016 15:50:22 -0000 Greg Hogan created FLINK-4231: --------------------------------- Summary: Switch DistinctOperator from GroupReduceFunction to ReduceFunction Key: FLINK-4231 URL: https://issues.apache.org/jira/browse/FLINK-4231 Project: Flink Issue Type: Improvement Components: Java API Affects Versions: 1.1.0 Reporter: Greg Hogan Assignee: Greg Hogan As discussed in FLINK-3279, rewriting {{DistinctOperator}} to a {{ReduceFunction}} rather than the current {{GroupReduceFunction}} allows the user to set the {{CombineHint}} and choose a hash-based, sort-based, or no combiner. -- This message was sent by Atlassian JIRA (v6.3.4#6332)