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 97B6E200B2B for ; Tue, 24 May 2016 04:46:14 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 96A6C160A0E; Tue, 24 May 2016 02:46:14 +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 125DC160A2B for ; Tue, 24 May 2016 04:46:13 +0200 (CEST) Received: (qmail 43889 invoked by uid 500); 24 May 2016 02:46:13 -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 43812 invoked by uid 99); 24 May 2016 02:46:13 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 24 May 2016 02:46:13 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id DF0A72C1F61 for ; Tue, 24 May 2016 02:46:12 +0000 (UTC) Date: Tue, 24 May 2016 02:46:12 +0000 (UTC) From: "Lefty Leverenz (JIRA)" To: issues@hive.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HIVE-13616) Investigate renaming a table without invalidating the column stats MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Tue, 24 May 2016 02:46:14 -0000 [ https://issues.apache.org/jira/browse/HIVE-13616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15297561#comment-15297561 ] Lefty Leverenz commented on HIVE-13616: --------------------------------------- Okay, thanks. > Investigate renaming a table without invalidating the column stats > ------------------------------------------------------------------ > > Key: HIVE-13616 > URL: https://issues.apache.org/jira/browse/HIVE-13616 > Project: Hive > Issue Type: Improvement > Components: Metastore > Reporter: Aihua Xu > Assignee: Aihua Xu > Fix For: 2.1.0 > > Attachments: HIVE-13616.1.patch, HIVE-13616.2.patch > > > Right now when we rename a table, we clear the column stats rather than updating it (HIVE-9720) since ObjectStore uses DN to talk to DB. Investigate the possibility that if we can achieve updating the stats without rescanning the whole table. -- This message was sent by Atlassian JIRA (v6.3.4#6332)