Return-Path: X-Original-To: apmail-hadoop-mapreduce-user-archive@minotaur.apache.org Delivered-To: apmail-hadoop-mapreduce-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 1C09F177B9 for ; Mon, 26 Jan 2015 20:18:33 +0000 (UTC) Received: (qmail 48020 invoked by uid 500); 26 Jan 2015 20:18:28 -0000 Delivered-To: apmail-hadoop-mapreduce-user-archive@hadoop.apache.org Received: (qmail 47910 invoked by uid 500); 26 Jan 2015 20:18:28 -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 47900 invoked by uid 99); 26 Jan 2015 20:18:27 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 26 Jan 2015 20:18:27 +0000 X-ASF-Spam-Status: No, hits=2.2 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_NONE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of dlmarion@comcast.net designates 96.114.154.163 as permitted sender) Received: from [96.114.154.163] (HELO resqmta-po-04v.sys.comcast.net) (96.114.154.163) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 26 Jan 2015 20:17:58 +0000 Received: from resomta-po-03v.sys.comcast.net ([96.114.154.227]) by resqmta-po-04v.sys.comcast.net with comcast id kkFA1p0044ueUHc01kGwR1; Mon, 26 Jan 2015 20:16:56 +0000 Received: from resmail-ch2-129v.sys.comcast.net ([162.150.48.163]) by resomta-po-03v.sys.comcast.net with comcast id kkGw1p00K3XFKay01kGwqd; Mon, 26 Jan 2015 20:16:56 +0000 Date: Mon, 26 Jan 2015 20:16:56 +0000 (UTC) From: dlmarion@comcast.net To: user@hadoop.apache.org Message-ID: <2114201792.13399935.1422303416254.JavaMail.zimbra@comcast.net> Subject: NN questions MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_13399934_590054513.1422303416254" X-Originating-IP: [::ffff:63.239.65.11] X-Mailer: Zimbra 8.0.7_GA_6031 (ZimbraWebClient - FF31 (Win)/8.0.7_GA_6031) Thread-Topic: NN questions Thread-Index: QLmGvRIb5v+MnyD/9wkM4GP5IeqU1w== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=q20140121; t=1422303416; bh=PRyFyP51nTAW72vrvA4jZOSN2MVx1A+Yad/PoVtAdCM=; h=Received:Received:Date:From:To:Message-ID:Subject:MIME-Version: Content-Type; b=oEIvcjGi1OGzLSUa1vRKt5Mb76luvgLMX+q9jKKZWc8XDUrNGD3+txBqSg9gAVqUu +haoMGAkNglNSzOzh4s9sbTQfHl+sbKuU7NLurze3W34Eg5fLJSCGZzp47DTfXfG21 QAVK4IOTAJty6hMf61lH2plgkKnA8Y9oB19bhegi0cT0hXzDX2LA/IrIt6+hfWAHxa I/UBGR/EFtbg52hxD37ibOwZih+hrnKLm5BDmdq8/MT2uu4tm417t0TQRiWq0s56eC WAbFoHpY8j3p5Pcji2aE8LN2yG953oCDAmPtmUG5d89NU0LO2HMTFVoaXNpPcL0tL+ yryMZcdYeKzYg== X-Virus-Checked: Checked by ClamAV on apache.org ------=_Part_13399934_590054513.1422303416254 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit If multiple directories are specified for dfs.namenode.name.dir and dfs.namenode.edits.dir, are the writes to the different directories done in parallel or serial? Does dfs.namenode.shared.edits.dir support multiple directories like the properties above? Thanks, Dave ------=_Part_13399934_590054513.1422303416254 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit
 If multiple directories are specified for dfs.namenode.name.dir and dfs.namenode.edits.dir, are the writes to the different directories done in parallel or serial?

 Does dfs.namenode.shared.edits.dir support multiple directories like the properties above?

Thanks,
Dave
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