Return-Path: X-Original-To: apmail-hadoop-hdfs-user-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-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 E6A7710F68 for ; Tue, 30 Jul 2013 03:30:09 +0000 (UTC) Received: (qmail 5082 invoked by uid 500); 30 Jul 2013 03:29:55 -0000 Delivered-To: apmail-hadoop-hdfs-user-archive@hadoop.apache.org Received: (qmail 4955 invoked by uid 500); 30 Jul 2013 03:29:55 -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 4901 invoked by uid 99); 30 Jul 2013 03:29:51 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 30 Jul 2013 03:29:51 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of yankunhadoop@gmail.com designates 209.85.216.180 as permitted sender) Received: from [209.85.216.180] (HELO mail-qc0-f180.google.com) (209.85.216.180) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 30 Jul 2013 03:29:47 +0000 Received: by mail-qc0-f180.google.com with SMTP id j10so947334qcx.11 for ; Mon, 29 Jul 2013 20:29:26 -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=kzHkcylFu9TdKh/UOzh8BVUJpx/dW507b34U+tSeFhU=; b=L5pCo/+cny2ikCMBgtDhXxGy+BK4cL1hb/vI7QriQ+pRXPA1pyqtnTvAXvYTe1RePQ 2CyUBvMhWI5Vvt7qmaam1nJuqdntExHI2eK0UgN8yw6oJJDRguBtFUNkrNavTAtpFgIr 3AhcCxVdGCV86hiKEdPskqSKN4nal4nxBhR3zIB/IycxLUe5lZdrDGH+fWPFBfNVajIv StdK30PryeHh5Xx9erFndaAshxkiW5rSzSQKqmK+8Idx83iuScmdvF32e+b4M7xvU9rm ivDjGI5p45Vb4c0Unf99M1FVWnSxEN/wch4Dkrcpjk1AnEAGxho64+Mzqg+CGPab4P9D 4Jyg== MIME-Version: 1.0 X-Received: by 10.224.163.16 with SMTP id y16mr35230327qax.54.1375154966614; Mon, 29 Jul 2013 20:29:26 -0700 (PDT) Received: by 10.224.71.71 with HTTP; Mon, 29 Jul 2013 20:29:26 -0700 (PDT) In-Reply-To: References: Date: Tue, 30 Jul 2013 11:29:26 +0800 Message-ID: Subject: Re: dncp_block_verification From: =?GB2312?B?48bApQ==?= To: "user@hadoop.apache.org" Content-Type: multipart/alternative; boundary=089e0158b1124bd95804e2b237e5 X-Virus-Checked: Checked by ClamAV on apache.org --089e0158b1124bd95804e2b237e5 Content-Type: text/plain; charset=GB2312 Content-Transfer-Encoding: quoted-printable Viji R thank you very much 2013/7/26 Viji R > Hi, > > These are used to keep block IDs that are being verified, i.e., DN > periodically matches blocks with stored checksums to root out > corrupted or rotted data. They are removed once verification > completes. > > Regards, > Viji > > On Fri, Jul 26, 2013 at 11:39 AM, =E3=C6=C0=A5 w= rote: > > Hi All > > the datanode directory in crrunt like follow > > dncp_block_verification.log.prev > > dncp_block_verification.log.curr > > what this log function? > --089e0158b1124bd95804e2b237e5 Content-Type: text/html; charset=GB2312 Content-Transfer-Encoding: quoted-printable
Viji R  thank you very mu= ch


2= 013/7/26 Viji R <viji@cloudera.com>
Hi,

These are used to keep block IDs that are being verified, i.e., DN
periodically matches blocks with stored checksums to root out
corrupted or rotted data. They are removed once verification
completes.

Regards,
Viji

On Fri, Jul 26, 2013 at 11:39 AM, =E3=C6=C0=A5 <yankunhadoop@gmail.com> wrote:
> Hi All
> the datanode directory in crrunt like follow
> dncp_block_verification.log.prev
> dncp_block_verification.log.curr
> what this log function?

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