Return-Path: Delivered-To: apmail-hadoop-pig-commits-archive@www.apache.org Received: (qmail 69637 invoked from network); 25 Feb 2010 01:39:11 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 25 Feb 2010 01:39:11 -0000 Received: (qmail 66897 invoked by uid 500); 25 Feb 2010 01:39:11 -0000 Delivered-To: apmail-hadoop-pig-commits-archive@hadoop.apache.org Received: (qmail 66873 invoked by uid 500); 25 Feb 2010 01:39:11 -0000 Mailing-List: contact pig-commits-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: pig-dev@hadoop.apache.org Delivered-To: mailing list pig-commits@hadoop.apache.org Received: (qmail 66866 invoked by uid 500); 25 Feb 2010 01:39:11 -0000 Delivered-To: apmail-incubator-pig-commits@incubator.apache.org Received: (qmail 66863 invoked by uid 99); 25 Feb 2010 01:39:11 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 25 Feb 2010 01:39:11 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.130] (HELO eos.apache.org) (140.211.11.130) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 25 Feb 2010 01:39:09 +0000 Received: from eos.apache.org (localhost [127.0.0.1]) by eos.apache.org (Postfix) with ESMTP id 72F5917621 for ; Thu, 25 Feb 2010 01:38:48 +0000 (GMT) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable From: Apache Wiki To: Apache Wiki Date: Thu, 25 Feb 2010 01:38:48 -0000 Message-ID: <20100225013848.25751.40922@eos.apache.org> Subject: =?utf-8?q?=5BPig_Wiki=5D_Update_of_=22Pig070IncompatibleChanges=22_by_Olg?= =?utf-8?q?aN?= X-Virus-Checked: Checked by ClamAV on apache.org Dear Wiki user, You have subscribed to a wiki page or wiki category on "Pig Wiki" for chang= e notification. The "Pig070IncompatibleChanges" page has been changed by OlgaN. http://wiki.apache.org/pig/Pig070IncompatibleChanges?action=3Ddiff&rev1=3D2= 5&rev2=3D26 -------------------------------------------------- = =3D=3D Summary =3D=3D = - || Change || Impact || Steps to address || Comments || + || Change || Section || Impact || Steps to address || Comments || - || Load/Store interface changes || High || [[LoadStoreMigrationGuide || L= oad Store Migration Guide]] || || + || Load/Store interface changes || Changes to the Load and Store Function= s || High || [[LoadStoreMigrationGuide || Load Store Migration Guide]] || || + || Data compression becomes load/store function specific || Handling Comp= ressed Data || Unknow but hopefully low || If compression is needed the und= erlying Input/Output format would need to support it || || - || Bzip compressed files can no longer have .bz extension || Low || 1. Re= name existing .bz files to .bz2 files. 2. Update scripts to read/write file= s with bz2 extension || This change is due to the fact that Text{Input/Outp= ut}Format only supports bz2 extension || + || Bzip compressed files can no longer have .bz extension || Handling Com= pressed Data || Low || 1. Rename existing .bz files to .bz2 files. 2. Updat= e scripts to read/write files with bz2 extension || This change is due to t= he fact that Text{Input/Output}Format only supports bz2 extension || + || Switch to Hadoop's local mode || Local Mode || Low || None || Main cha= nge is 10-20x performance slowdown. Also, local mode now uses the same UDF = interfaces to execute UDFs as the MR mode. || = =3D=3D Changes to the Load and Store Functions =3D=3D =20