Return-Path: Delivered-To: apmail-hadoop-common-user-archive@www.apache.org Received: (qmail 68487 invoked from network); 26 Jul 2010 13:19:41 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 26 Jul 2010 13:19:41 -0000 Received: (qmail 34788 invoked by uid 500); 26 Jul 2010 13:19:39 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 34347 invoked by uid 500); 26 Jul 2010 13:19:35 -0000 Mailing-List: contact common-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-user@hadoop.apache.org Delivered-To: mailing list common-user@hadoop.apache.org Received: (qmail 34339 invoked by uid 99); 26 Jul 2010 13:19:34 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 26 Jul 2010 13:19:34 +0000 X-ASF-Spam-Status: No, hits=2.2 required=10.0 tests=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: local policy) Received: from [87.248.114.165] (HELO web24101.mail.ird.yahoo.com) (87.248.114.165) by apache.org (qpsmtpd/0.29) with SMTP; Mon, 26 Jul 2010 13:19:27 +0000 Received: (qmail 22248 invoked by uid 60001); 26 Jul 2010 13:19:05 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1280150345; bh=bNuh5H9I5FwNMwKdSIEM42YqNBbWh+hxLZsZO/f9J+s=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type; b=ONhql2Z9LvrtDawJNL73nDuoUrVL2UySkOf0kKgLTlnpO6h3LDTtFpyOWP5BZNfBQ93uKx7o0c8E9N0+B+0TavR5jj2ds3MtVCbwv7sXkpdoW2yuh6OHauVODuYu+8xbswQVuH0IxgFPmGchp2e4DwhY1pwyAxNMu/NvKxL7yH4= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type; b=LKTYujYtikVVywb+iV6RDncoMm2C2kC21S6cwXfqJIDVZtISNsPGaXdf0CSb1BdNHYiZ7raETzMt/pzFFD9b5vMN3uii1WO3KW3ZGl+waTwkdQVFNqRPqHWiss9XU5VlOzsWlcikJ2NWM4OYXLNeR2vY1TDABXOKvolm+3UH+3w=; Message-ID: <318621.19532.qm@web24101.mail.ird.yahoo.com> X-YMail-OSG: w2q9wcsVM1lWJWARYqEhw31PTz7UqtfHZjH4UCxPlxZlOK4 3sHq_wW3cXjcED3ju5uQqKsawEvkgcOnI98JeqL7YfSLhTRZesjHlqSMuZVg 8s2eV2wyiwzfF0KpEoAjPAnUinwB7Z_s.mlqkpkJkVqmL2B58_ktFkF1ZCqY ShoIVfKZe2t1TbOZgrepVmlk23uLCpExK8z9X Received: from [188.74.76.201] by web24101.mail.ird.yahoo.com via HTTP; Mon, 26 Jul 2010 13:19:05 GMT X-Mailer: YahooMailRC/420.4 YahooMailWebService/0.8.105.277674 Date: Mon, 26 Jul 2010 13:19:05 +0000 (GMT) From: Denim Live Subject: sharing data structure among mappers or reducers To: common-user@hadoop.apache.org MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-990900582-1280150345=:19532" --0-990900582-1280150345=:19532 Content-Type: text/plain; charset=us-ascii Is it possible to share a datastructures such as linked list or array among the mapper (or reducer) nodes. I am not asking about sharing files, which can be done by distributed cache. I want to share some data structure. --0-990900582-1280150345=:19532--