Return-Path: Delivered-To: apmail-hadoop-hive-dev-archive@minotaur.apache.org Received: (qmail 93327 invoked from network); 9 Jun 2010 01:41:02 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 9 Jun 2010 01:41:02 -0000 Received: (qmail 6191 invoked by uid 500); 9 Jun 2010 01:41:02 -0000 Delivered-To: apmail-hadoop-hive-dev-archive@hadoop.apache.org Received: (qmail 6152 invoked by uid 500); 9 Jun 2010 01:41:02 -0000 Mailing-List: contact hive-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hive-dev@hadoop.apache.org Delivered-To: mailing list hive-dev@hadoop.apache.org Received: (qmail 6144 invoked by uid 99); 9 Jun 2010 01:41:02 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 09 Jun 2010 01:41:02 +0000 X-ASF-Spam-Status: No, hits=0.8 required=10.0 tests=AWL,FREEMAIL_FROM,HTML_MESSAGE,RCVD_IN_DNSWL_NONE,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of edlinuxguru@gmail.com designates 209.85.212.48 as permitted sender) Received: from [209.85.212.48] (HELO mail-vw0-f48.google.com) (209.85.212.48) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 09 Jun 2010 01:40:57 +0000 Received: by vws2 with SMTP id 2so1778646vws.35 for ; Tue, 08 Jun 2010 18:40:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type; bh=3me0HDaH8PP/yf5lwZuUQjlDkWaiHiHJJ5qzP7Ws1Do=; b=LeFgRCX4msRP7+kn74YhBbZr9xq8KqKAlkAvycYg/giBlvp8zRyyp523WbyByCCxU4 eKFWI/m3RbxMMjeuqtZxh/Z1CW3afd0W/7ZaCK/9NAZ+mqM1ceOFVPU73MM4BO1D7AR+ qq8AjKhpEQbuqilhV9fyCee6DOCbvJoAL+a38= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=B12zP8cBV4yWBDHLLB7qNf3pBX1SP3PLdmJSW5aECPkut2Evp3mUJpjp5KDFUtfIa4 tQkO0J0PJjbw3Dc6VLfKqZaxtJvgNryQaJ3AMMoJ4OoJn2YfliBF+Vwgm8TX60O4Oud7 kI2vb/xpsFCrgMTTnh8R477UDwWuXzZmKiOfI= MIME-Version: 1.0 Received: by 10.224.96.97 with SMTP id g33mr469868qan.372.1276047636349; Tue, 08 Jun 2010 18:40:36 -0700 (PDT) Received: by 10.229.236.138 with HTTP; Tue, 8 Jun 2010 18:40:36 -0700 (PDT) In-Reply-To: <4C0DEA88.1000606@mkhoj.com> References: <4C0DEA88.1000606@mkhoj.com> Date: Tue, 8 Jun 2010 21:40:36 -0400 Message-ID: Subject: Re: table Partition From: Edward Capriolo To: hive-dev@hadoop.apache.org Content-Type: multipart/alternative; boundary=00c09f89944c14c3d104888efe5f --00c09f89944c14c3d104888efe5f Content-Type: text/plain; charset=ISO-8859-1 There is no theoretical limit. Practically, the query planning phase involves reading the partition from the metastore (derby, mysql). At some point, when your query spans tons of partitions, the query planning phase can take 2 minutes or more. Edward On Tue, Jun 8, 2010 at 3:00 AM, jaydeep vishwakarma < jaydeep.vishwakarma@mkhoj.com> wrote: > Hi, > > How many partitions at max we can create for a table? Suppose if I want > to use date as a partition, Is it limited or unlimited ? > > Regards, > jaydeep > > The information contained in this communication is intended solely for the > use of the individual or entity to whom it is addressed and others > authorized to receive it. It may contain confidential or legally privileged > information. If you are not the intended recipient you are hereby notified > that any disclosure, copying, distribution or taking any action in reliance > on the contents of this information is strictly prohibited and may be > unlawful. If you have received this communication in error, please notify us > immediately by responding to this email and then delete it from your system. > The firm is neither liable for the proper and complete transmission of the > information contained in this communication nor for any delay in its > receipt. > --00c09f89944c14c3d104888efe5f--