From issues-return-156064-archive-asf-public=cust-asf.ponee.io@hive.apache.org Tue Apr 16 21:45:01 2019 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [207.244.88.153]) by mx-eu-01.ponee.io (Postfix) with SMTP id 8ADCC180630 for ; Tue, 16 Apr 2019 23:45:01 +0200 (CEST) Received: (qmail 46114 invoked by uid 500); 16 Apr 2019 21:45:01 -0000 Mailing-List: contact issues-help@hive.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hive.apache.org Delivered-To: mailing list issues@hive.apache.org Received: (qmail 46103 invoked by uid 99); 16 Apr 2019 21:45:00 -0000 Received: from mailrelay1-us-west.apache.org (HELO mailrelay1-us-west.apache.org) (209.188.14.139) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 16 Apr 2019 21:45:00 +0000 Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 6672EE0056 for ; Tue, 16 Apr 2019 21:45:00 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 24AE92459B for ; Tue, 16 Apr 2019 21:45:00 +0000 (UTC) Date: Tue, 16 Apr 2019 21:45:00 +0000 (UTC) From: "Vaibhav Gumashta (JIRA)" To: issues@hive.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HIVE-21164) ACID: explore how we can avoid a move step during inserts/compaction MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HIVE-21164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16819525#comment-16819525 ] Vaibhav Gumashta commented on HIVE-21164: ----------------------------------------- Found a bunch of issues in the initial patch; will fix and reupload. > ACID: explore how we can avoid a move step during inserts/compaction > -------------------------------------------------------------------- > > Key: HIVE-21164 > URL: https://issues.apache.org/jira/browse/HIVE-21164 > Project: Hive > Issue Type: Bug > Components: Transactions > Affects Versions: 3.1.1 > Reporter: Vaibhav Gumashta > Assignee: Vaibhav Gumashta > Priority: Major > > Currently, we write compacted data to a temporary location and then move the files to a final location, which is an expensive operation on some cloud file systems. Since HIVE-20823 is already in, it can control the visibility of compacted data for the readers. Therefore, we can perhaps avoid writing data to a temporary location and directly write compacted data to the intended final path. -- This message was sent by Atlassian JIRA (v7.6.3#76005)