Return-Path: X-Original-To: apmail-hadoop-user-archive@minotaur.apache.org Delivered-To: apmail-hadoop-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 94CEE108B7 for ; Fri, 15 Nov 2013 03:45:55 +0000 (UTC) Received: (qmail 51753 invoked by uid 500); 15 Nov 2013 03:45:05 -0000 Delivered-To: apmail-hadoop-user-archive@hadoop.apache.org Received: (qmail 51666 invoked by uid 500); 15 Nov 2013 03:45:00 -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 51631 invoked by uid 99); 15 Nov 2013 03:44:56 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 15 Nov 2013 03:44:56 +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 yypvsxf19870706@gmail.com designates 209.85.128.50 as permitted sender) Received: from [209.85.128.50] (HELO mail-qe0-f50.google.com) (209.85.128.50) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 15 Nov 2013 03:44:50 +0000 Received: by mail-qe0-f50.google.com with SMTP id 1so1937924qee.37 for ; Thu, 14 Nov 2013 19:44:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=nbvkAnEtk9NR9QDu1+zS1v5phC/DRTIJBaDQPdU/KUE=; b=I/CusGG+zzh4v3dIC8ucBuR3YI4mW1G503ttr29xCo2CkKTYhewJw52WjYoTcf3zmi kPzl73dSSJNcOzhgMG6950hXcWDh5dVNKw8+LtnBXPcrv2IZU+eniQMtPoMS9uiFyxwV mdf1d4GQhoxcSegu0lkO5gr3L/8ltgKk4XVKT6EVyf1hbIBA/+XqM2jap+QlGKIJGXgc uyWnLGvYhjmqe8DIn5Rj8tp19qOU6bc8V0nIDXU0yGWh03B1BQhtuzQckxRXFduOro+L 9k5FWGiihsdyxOD+mLGRJN/Y/4voHyW2hDs0/K5l+5lGaZHlO9c2kQ3Wt6Wg/T+gS5jJ YxVw== MIME-Version: 1.0 X-Received: by 10.224.54.202 with SMTP id r10mr5860525qag.8.1384487070065; Thu, 14 Nov 2013 19:44:30 -0800 (PST) Received: by 10.96.145.232 with HTTP; Thu, 14 Nov 2013 19:44:30 -0800 (PST) Date: Fri, 15 Nov 2013 11:44:30 +0800 Message-ID: Subject: questions about Registered UNIX signal handlers for [TERM, HUP, INT] From: YouPeng Yang To: user@hadoop.apache.org Content-Type: multipart/alternative; boundary=089e014953c201e73504eb2f04b7 X-Virus-Checked: Checked by ClamAV on apache.org --089e014953c201e73504eb2f04b7 Content-Type: text/plain; charset=ISO-8859-1 Hi again At the tips of my namenode(hadoop-2.2.0) log,it is : 13/11/15 10:03:38 INFO namenode.NameNode: registered UNIX signal handlers for [TERM, HUP, INT] Does it means whether I can send the UNIX signal (such as TERM, HUP, INT ) to through the terminal. What reflection will the namenode response for these UNIX signal (such as TERM, HUP, INT ). --089e014953c201e73504eb2f04b7 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
Hi=A0 again
=A0
=A0 At the tips of my namenode= (hadoop-2.2.0) log,it is :
=A0 13/11/15 10:03:38 INFO namenode.NameNode:= registered UNIX signal handlers for [TERM, HUP, INT]
=A0
=A0 = Does it means whether I can send the UNIX signal (such as TERM, HUP, INT ) = to through the terminal.
=A0 What=A0 reflection will the namenode response for=A0 these=A0 UNI= X signal (such as TERM, HUP, INT ).


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