Return-Path: Delivered-To: apmail-hadoop-core-user-archive@www.apache.org Received: (qmail 28961 invoked from network); 11 Dec 2008 01:32:36 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 11 Dec 2008 01:32:36 -0000 Received: (qmail 31960 invoked by uid 500); 11 Dec 2008 01:32:44 -0000 Delivered-To: apmail-hadoop-core-user-archive@hadoop.apache.org Received: (qmail 31913 invoked by uid 500); 11 Dec 2008 01:32:43 -0000 Mailing-List: contact core-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: core-user@hadoop.apache.org Delivered-To: mailing list core-user@hadoop.apache.org Received: (qmail 31902 invoked by uid 99); 11 Dec 2008 01:32:43 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 10 Dec 2008 17:32:43 -0800 X-ASF-Spam-Status: No, hits=3.1 required=10.0 tests=RCVD_IN_BL_SPAMCOP_NET,RCVD_IN_SORBS_WEB,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of koven2049@gmail.com designates 209.85.217.29 as permitted sender) Received: from [209.85.217.29] (HELO mail-gx0-f29.google.com) (209.85.217.29) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 11 Dec 2008 01:32:29 +0000 Received: by gxk10 with SMTP id 10so692453gxk.5 for ; Wed, 10 Dec 2008 17:32:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:from:to:references :in-reply-to:subject:date:message-id:mime-version:content-type :content-transfer-encoding:x-mailer:thread-index:content-language :x-cr-hashedpuzzle:x-cr-puzzleid; bh=OunfE4L/Z/Yr0NqGeA5CSvF5k0CI1wTcwwGlL9PPlug=; b=PXxS4cxAtjeK8T+veUUjMVY6Ljoq1Wm4emQRh//2CHxw/3WaC7O8zUhL8F7+SwFuF0 Af3HqhXuiU1MvxHeaa03GuTRk2iYu8aRf7Ykhf9I5ctENhkNwXoNbP3giflcEXFGzyjv Mwod+LS7IyQ0X0EwEQXQ2gwxVOra+A4Y6gm0I= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:references:in-reply-to:subject:date:message-id:mime-version :content-type:content-transfer-encoding:x-mailer:thread-index :content-language:x-cr-hashedpuzzle:x-cr-puzzleid; b=LzgFEXxHuptVTqDwCmLrV6aaK56uFF7W3FT/4IxRq90wrZ2dVBqmuGq4dQM7W1BCv9 0HMckFZiRk8FjC+54qItGDgd+Ov97ZpjZeTbPP+mQ8b6GaTUy3p/Q6fK1J+RlgMwgUZf qEqntV2sQyjyJf0oBInFLRRU2BQWXNwigw9I0= Received: by 10.110.47.9 with SMTP id u9mr2881508tiu.47.1228959126724; Wed, 10 Dec 2008 17:32:06 -0800 (PST) Received: from TAOBAO7CD721C1 ([121.0.29.226]) by mx.google.com with ESMTPS id w12sm5880745tib.33.2008.12.10.17.31.52 (version=TLSv1/SSLv3 cipher=RC4-MD5); Wed, 10 Dec 2008 17:31:53 -0800 (PST) From: "koven" To: References: <49403547.3070203@chalklabs.net> In-Reply-To: <49403547.3070203@chalklabs.net> Subject: reply: When I system.out.println() in a map or reduce, where does it go? Date: Thu, 11 Dec 2008 09:31:51 +0800 Message-ID: <001301c95b30$3f743cf0$be5cb6d0$@com> MIME-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AclbDtBajVnTP9FrR2WwssHJgdWkfgAIWH+w Content-Language: zh-cn x-cr-hashedpuzzle: bYg= AGMF AMCH CbfF C/zm Db0e EvVv ExAo GmVk GtFc G7vi Hdnk H/Wt LT3q LbV5 Ld0W;1;YwBvAHIAZQAtAHUAcwBlAHIAQABoAGEAZABvAG8AcAAuAGEAcABhAGMAaABlAC4AbwByAGcA;Sosha1_v1;7;{D4FA7F28-4172-452C-8472-9C962A3A9A7A};awBvAHYAZQBuADIAMAA0ADkAQABnAG0AYQBpAGwALgBjAG8AbQA=;Thu, 11 Dec 2008 01:31:47 GMT;cgBlAHAAbAB5ADoAIABXAGgAZQBuACAASQAgAHMAeQBzAHQAZQBtAC4AbwB1AHQALgBwAHIAaQBuAHQAbABuACgAKQAgAGkAbgAgAGEAIABtAGEAcAAgAG8AcgAgAHIAZQBkAHUAYwBlACwAIAB3AGgAZQByAGUAIABkAG8AZQBzACAAaQB0ACAAZwBvAD8A x-cr-puzzleid: {D4FA7F28-4172-452C-8472-9C962A3A9A7A} X-Virus-Checked: Checked by ClamAV on apache.org The best method is find them in web. If hadoop-default.xml,find it mapred.job.tracker.http.address 0.0.0.0:50030 The job tracker http server address and port the server will listen on. If the port is 0 then the server will start on a free port. If you open the port 50030,then you can check the System.out.println() at the web