Return-Path: Delivered-To: apmail-hadoop-hive-user-archive@locus.apache.org Received: (qmail 29885 invoked from network); 2 Dec 2008 06:04:54 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 2 Dec 2008 06:04:54 -0000 Received: (qmail 37311 invoked by uid 500); 2 Dec 2008 06:05:06 -0000 Delivered-To: apmail-hadoop-hive-user-archive@hadoop.apache.org Received: (qmail 37290 invoked by uid 500); 2 Dec 2008 06:05:06 -0000 Mailing-List: contact hive-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hive-user@hadoop.apache.org Delivered-To: mailing list hive-user@hadoop.apache.org Received: (qmail 37281 invoked by uid 99); 2 Dec 2008 06:05:05 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 01 Dec 2008 22:05:05 -0800 X-ASF-Spam-Status: No, hits=1.2 required=10.0 tests=SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (athena.apache.org: local policy) Received: from [209.85.200.172] (HELO wf-out-1314.google.com) (209.85.200.172) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 02 Dec 2008 06:03:37 +0000 Received: by wf-out-1314.google.com with SMTP id 24so2997057wfg.2 for ; Mon, 01 Dec 2008 22:04:24 -0800 (PST) Received: by 10.142.223.20 with SMTP id v20mr4799648wfg.7.1228197863869; Mon, 01 Dec 2008 22:04:23 -0800 (PST) Received: from ?192.168.1.102? (c-71-202-152-68.hsd1.ca.comcast.net [71.202.152.68]) by mx.google.com with ESMTPS id 22sm6042510wfg.30.2008.12.01.22.04.22 (version=TLSv1/SSLv3 cipher=RC4-MD5); Mon, 01 Dec 2008 22:04:23 -0800 (PST) Message-Id: <741B3A16-CCA5-47C0-A080-3412AA4C0081@besquared.net> From: Josh Ferguson To: hive-user@hadoop.apache.org Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v929.2) Subject: Significance of metastore_db Date: Mon, 1 Dec 2008 22:04:25 -0800 X-Mailer: Apple Mail (2.929.2) X-Virus-Checked: Checked by ClamAV on apache.org One more thing, can someone explain to me what metastore_db is and what its significance is, apparently if I run hive from separate places certain instances can find some tables and some can't. I'm assuming this metastore_db is supposed to be shared around, and this it is updated at some point and maintained somehow? Can someone explain this piece of the architecture to me? Josh