Return-Path: X-Original-To: apmail-hadoop-common-user-archive@www.apache.org Delivered-To: apmail-hadoop-common-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 33E61DBD7 for ; Fri, 26 Oct 2012 09:16:41 +0000 (UTC) Received: (qmail 30156 invoked by uid 500); 26 Oct 2012 09:16:36 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 29970 invoked by uid 500); 26 Oct 2012 09:16:36 -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 29951 invoked by uid 99); 26 Oct 2012 09:16:35 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 26 Oct 2012 09:16:35 +0000 X-ASF-Spam-Status: No, hits=1.7 required=5.0 tests=FREEMAIL_ENVFROM_END_DIGIT,HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of jayunit100@gmail.com designates 209.85.220.176 as permitted sender) Received: from [209.85.220.176] (HELO mail-vc0-f176.google.com) (209.85.220.176) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 26 Oct 2012 09:16:29 +0000 Received: by mail-vc0-f176.google.com with SMTP id gb22so860498vcb.35 for ; Fri, 26 Oct 2012 02:16:08 -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=/D17GUYI1GaxL03ndcL/bz9h5w3OqNNXIEGTYbmuAhE=; b=mW9GmajqPM7S0ro+3B2WaANJfyYMPryTKU3rAWiFhxlqpd49omtkatU4FE3bC5359R Ph/KNzNEzzC3kTqMo75c6/0y2hSV0q//wPr+o72gthwkAkhHsRdtV7c0jY5tZKES5Bvr UcGJQrZi1O17c1K7irEtpaLyKn4Gce6GDY+Q3SoAaBzFUyIr7aNzBjlh6f8jvB/u2LT1 nG8sA+/lKxTHmEdWBlCdj0jnUs3cfCe7U87lWmcQzyDxGUUJebPyOuYLHJX1W6morts9 iVY+H5zRzqpeM5Ms4yScTKKXBxChESFBSRC3+tH4soZxJSQ0MJlRfKyBGTjjPZrr9KLF nBcw== MIME-Version: 1.0 Received: by 10.220.239.9 with SMTP id ku9mr18073113vcb.52.1351242968238; Fri, 26 Oct 2012 02:16:08 -0700 (PDT) Received: by 10.58.212.134 with HTTP; Fri, 26 Oct 2012 02:16:08 -0700 (PDT) In-Reply-To: References: Date: Fri, 26 Oct 2012 05:16:08 -0400 Message-ID: Subject: Re: Interview questions.. From: Jay Vyas To: user@hadoop.apache.org Content-Type: multipart/alternative; boundary=14dae9cfcca4208ba604ccf2c50a X-Virus-Checked: Checked by ClamAV on apache.org --14dae9cfcca4208ba604ccf2c50a Content-Type: text/plain; charset=ISO-8859-1 Hive: Know SQL internals - how joins work, data structures and disk algorithms, etc.. And how those would be implemented in MapReduce. Know what a projection, aggregation, etc.. is. Hadoop: Know how terasort works, know how word count works, and know about why java serialization is non ideal. Know when the FileInputFormat and Partitioner APIs would need to be used. HBase: Understand the fundamental differences between HBAse and Cassandra, how column scans are done, and how mapreduce is used against HBase resources. --14dae9cfcca4208ba604ccf2c50a Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hive: Know SQL internals - how joins work, data structures and disk algorit= hms, etc.. And how those would be implemented in MapReduce.=A0 Know what a = projection, aggregation, etc.. is.
Hadoop: Know how terasort works, know= how word count works, and know about why java serialization is non ideal.= =A0 Know when the FileInputFormat and Partitioner APIs would need to be use= d.
HBase: Understand the fundamental differences between HBAse and Cassandra, = how column scans are done, and how mapreduce is used against HBase resource= s.
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