Return-Path: X-Original-To: apmail-hadoop-hdfs-user-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-user-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 16E4918975 for ; Fri, 31 Jul 2015 06:43:34 +0000 (UTC) Received: (qmail 66979 invoked by uid 500); 31 Jul 2015 06:43:29 -0000 Delivered-To: apmail-hadoop-hdfs-user-archive@hadoop.apache.org Received: (qmail 66829 invoked by uid 500); 31 Jul 2015 06:43:28 -0000 Mailing-List: contact user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hadoop.apache.org Delivered-To: mailing list user@hadoop.apache.org Received: (qmail 66819 invoked by uid 99); 31 Jul 2015 06:43:28 -0000 Received: from Unknown (HELO spamd4-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 31 Jul 2015 06:43:28 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd4-us-west.apache.org (ASF Mail Server at spamd4-us-west.apache.org) with ESMTP id 17C30C20B6 for ; Fri, 31 Jul 2015 06:43:28 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 2.041 X-Spam-Level: ** X-Spam-Status: No, score=2.041 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, HTML_MESSAGE=3, RCVD_IN_MSPIKE_H2=-1.108, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd4-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-us-east.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id N2k-8orDEYl1 for ; Fri, 31 Jul 2015 06:43:27 +0000 (UTC) Received: from mail-io0-f177.google.com (mail-io0-f177.google.com [209.85.223.177]) by mx1-us-east.apache.org (ASF Mail Server at mx1-us-east.apache.org) with ESMTPS id 44480428DC for ; Fri, 31 Jul 2015 06:43:27 +0000 (UTC) Received: by ioeg141 with SMTP id g141so76653438ioe.3 for ; Thu, 30 Jul 2015 23:42:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=mKJbjM9cgNUs1JvUlcUI6PpqCkZHnSRcyCnGNap1dGE=; b=lUKvTdBUycqWSRVs+c/xRIo/PmWiiVW68/Hbo7+OuTj2dmXTtBZyf9vG3Xiei6Ty/b WxNtFF6SkyKNFG/7rmHIpmJZmwQf5FEg20k4PVisFTpA2KtHcuHU5evQFfKExuE44MET UNsBUHwF1LjZAGh7FNgqQk4Ssd8iEZKFS8vkOVss5YMgNvm8VZm3lArdSzOHKwrbfiiC P5m/f5/aQwF4b8UCbeJtO8JSHfxR/9OfE2BEi9/R9BN5mmMmMM7/gO0KHwgsIL7wCHpR e8MMtfCnMeth9F66eNWxUPtbrdAIHIhWiGpHd0RVe8m844cbZQ00nO1B1nBNpwCDEIz1 SpdA== MIME-Version: 1.0 X-Received: by 10.107.25.17 with SMTP id 17mr2002897ioz.169.1438324961646; Thu, 30 Jul 2015 23:42:41 -0700 (PDT) Received: by 10.64.116.194 with HTTP; Thu, 30 Jul 2015 23:42:41 -0700 (PDT) In-Reply-To: References: Date: Fri, 31 Jul 2015 12:12:41 +0530 Message-ID: Subject: Re: alter table ... partition() concatenate for ORC From: Nitin Pawar To: user@hadoop.apache.org Content-Type: multipart/alternative; boundary=001a113fe88c691fbb051c26208a --001a113fe88c691fbb051c26208a Content-Type: text/plain; charset=UTF-8 it does not work alter table on orc also sometimes ends in problem On Fri, Jul 31, 2015 at 11:04 AM, Du Lam wrote: > Hi all > > not sure if this is discussed before, but does the merging for ORC works: > > alter table ... partition() concatenate for ORC > > , tried several times never been successful and some google search show > some failure encountered by others as well. is this best way to merge small > ORC files?? > > many thanks! > -- Nitin Pawar --001a113fe88c691fbb051c26208a Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
it does not work
alter table on orc also so= metimes ends in problem

On Fri, Jul 31, 2015 at 11:04 AM, Du Lam <delim123456= @gmail.com> wrote:
Hi all

not sure if this is discussed before, bu= t does =C2=A0the merging for ORC works:

alter tabl= e ... partition() concatenate for ORC=C2=A0

, = tried several times never been successful and some google search show some = failure encountered by others as well. is this best way to merge small ORC = files??

many thanks!



--
Nitin Pawar
--001a113fe88c691fbb051c26208a--