Return-Path: Delivered-To: apmail-hadoop-common-user-archive@www.apache.org Received: (qmail 14927 invoked from network); 6 Jul 2009 19:23:25 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 6 Jul 2009 19:23:25 -0000 Received: (qmail 92432 invoked by uid 500); 6 Jul 2009 19:23:33 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 92344 invoked by uid 500); 6 Jul 2009 19:23:32 -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 92334 invoked by uid 99); 6 Jul 2009 19:23:32 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 06 Jul 2009 19:23:32 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: local policy) Received: from [68.142.207.166] (HELO web81801.mail.mud.yahoo.com) (68.142.207.166) by apache.org (qpsmtpd/0.29) with SMTP; Mon, 06 Jul 2009 19:23:23 +0000 Received: (qmail 49355 invoked by uid 60001); 6 Jul 2009 19:23:02 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1246908182; bh=4L3O57nXXscTSjK8fMEvsBMJvdb9JOXiOCIVVldh/pg=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type; b=ow3aaM7igPwj7lT+amUz0xdL96QE55kuND5qFPGpCvjN5zn0x/0sXYnbiPqDTdlLcEEYJMP1tHdoR9ccyIJ6TPzmVUoYaTZI1AYcI7+vHxj0Whgc7s+QMICB/95wJLEgXm03eJaUzOZMdvxEgsHabDa+lJ7g/I8XkeY49wwT3Zo= 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=OBQM38CceCEmPPvwD+GSbMHX+IlXPXk89dnQLCsMTzRj8lcFr7uJQWtpRvEQHkqVY7ctsDn6fCsQo2haOOLs6Hxghhl8UQM8b1RPTTyAR+6jvXSl00+JxIFYvKNdbDkjNm3+hA2cPxgDbS7vbsRGYFE8PuVX2GmV5rUR7spU0Mg=; Message-ID: <314547.41102.qm@web81801.mail.mud.yahoo.com> X-YMail-OSG: 3bzjxk4VM1k6YJFkimnMjn2.KwWEI5oX6oA1ruWxERAU6NDjL3VTf1mpRJclstSo0HwNgFis5obJBFJwiKShlqjz57C.T.G4dwCzeTM6Labs50l.kH83vJBdSgBcD24u88i6ONrSHITogwJPuz9tz4LN11.uWAy2VnwbhmGXL5wVaa4GkCnRc7C6ZYTUC4wBfxNnbW3vV2oK11Y7zp_rHQXgZwgRkTIaV8pa7AbevKXgpsAfyeuZnnKe7Zmdy33A9KPLRGfXAQvTT80GepgN7IXn_O_MUQNheQqfQMtZULjLCV_uphE- Received: from [198.144.200.170] by web81801.mail.mud.yahoo.com via HTTP; Mon, 06 Jul 2009 12:23:02 PDT X-Mailer: YahooMailClassic/5.4.17 YahooMailWebService/0.7.289.10 Date: Mon, 6 Jul 2009 12:23:02 -0700 (PDT) From: Songting Chen Subject: JobTracker hangs after 400-500 jobs To: common-user@hadoop.apache.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Virus-Checked: Checked by ClamAV on apache.org No response from the HaDoop cluster then - stop/start map/reduce would solve the problem. Note: HDFS has no such issue. Is it a common problem (we use v.19)? Thanks, -Songting