Return-Path: X-Original-To: apmail-hbase-user-archive@www.apache.org Delivered-To: apmail-hbase-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 4B5A8CC47 for ; Thu, 4 Jul 2013 09:07:36 +0000 (UTC) Received: (qmail 69507 invoked by uid 500); 4 Jul 2013 09:07:34 -0000 Delivered-To: apmail-hbase-user-archive@hbase.apache.org Received: (qmail 68740 invoked by uid 500); 4 Jul 2013 09:07:33 -0000 Mailing-List: contact user-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hbase.apache.org Delivered-To: mailing list user@hbase.apache.org Received: (qmail 68723 invoked by uid 99); 4 Jul 2013 09:07:32 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 04 Jul 2013 09:07:32 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=5.0 tests=RCVD_IN_DNSWL_NONE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: local policy) Received: from [72.30.238.198] (HELO nm33-vm8.bullet.mail.bf1.yahoo.com) (72.30.238.198) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 04 Jul 2013 09:07:24 +0000 Received: from [98.139.212.147] by nm33.bullet.mail.bf1.yahoo.com with NNFMP; 04 Jul 2013 09:07:03 -0000 Received: from [98.139.212.225] by tm4.bullet.mail.bf1.yahoo.com with NNFMP; 04 Jul 2013 09:07:03 -0000 Received: from [127.0.0.1] by omp1034.mail.bf1.yahoo.com with NNFMP; 04 Jul 2013 09:07:03 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 757372.61500.bm@omp1034.mail.bf1.yahoo.com Received: (qmail 86766 invoked by uid 60001); 4 Jul 2013 09:07:03 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1372928823; bh=o3ZbWZ2DA3nNNjKEPkjty5ZsjKztQWGwLckEvE4QvDQ=; h=X-YMail-OSG:Received:X-Rocket-MIMEInfo:X-RocketYMMF:X-Mailer:References:Message-ID:Date:From:Reply-To:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=J9434gf/IUQgKLHTb3BZDxijH1phZUExDrcz06/FqY+t90o3jM1lKpMUZIMUk/Xmtdbrvnrem5J0rs2r8C0Hw2uTnLn48JrIgV40AMV2D6IYCVuc3HvEbnp8ps2JjZtljBmuAutNExrR/KpTg63bacC6y2hyH/X6CVDxL+yOcd8= X-YMail-OSG: cxDQzVwVM1nlbewz0IhXX9bZtK0O_F0RMt2jrgxD2rhgDfK ZDXAc7jE.1uVWdYhS.Vw5w8p6uRbGFVg9q5zch95ClMy_B6972nt6jkP8LUK UOPAvlYpz3135_lqcaBH8oDq1.Ov7GKoc0jJAn6PO0ukNDusFGM0YRyP69qf ndyvBm29CXyms7Z3INULXVFepL4jqvMJjimlCzimXr4sC2d4YyJ3323IETxu 4EwI58QKwXBAs_mJiN_bBATwe1Q_5Ac.KUwsgiptku37y.id4nC8XQa1sJd. dBg__PHTd7ElstWhhv4wYu8V1ioNLpwaZAO8unDgxXrHgDeB3YvdN8b2Bj90 QrUV3saB4d2uQVL5hvqqiLfgJjn8vG3rLreRYIt.HyOaKA9mAPGTuWTBEfS4 GZKfgbgooQ5kMLN1R7IDYzuXtV.ZX2qULJJEBeW9h4zUyYeav5bh4OxCm7cp Lyu0j5isaKq0LfD7EGU0hFjaceytUmXea4W.YDpq3EtdKdVyhjV2fgdbf4DR FwtuxMJ4ClzmVTy36MqFWJzKjta7BLb.SHUdO2IHfL2qC4hCERKWVv3Hk3Wg YUH1UW7ZQb9xayMCr24A0xek7A4qgyw8Zvw0R7uxHp2D3NA-- Received: from [93.213.46.213] by web140601.mail.bf1.yahoo.com via HTTP; Thu, 04 Jul 2013 02:07:03 PDT X-Rocket-MIMEInfo: 002.001,KzEgd2Ugc2hvdWxkIGhhdmUgYSBtZXRyaWMgZm9yIHRoaXMuCgoKCi0tLS0tIE9yaWdpbmFsIE1lc3NhZ2UgLS0tLS0KRnJvbTogcmFta3Jpc2huYSB2YXN1ZGV2YW4gPHJhbWtyaXNobmEucy52YXN1ZGV2YW5AZ21haWwuY29tPgpUbzogInVzZXJAaGJhc2UuYXBhY2hlLm9yZyIgPHVzZXJAaGJhc2UuYXBhY2hlLm9yZz4KQ2M6IApTZW50OiBUaHVyc2RheSwgSnVseSA0LCAyMDEzIDI6MDIgQU0KU3ViamVjdDogUmU6IHF1ZXN0aW9uIGFib3V0IGNsaWVudHRyYWNlIGxvZ3MgaW4gaGRmcyBhbmQgc2hvcnRjaXIBMAEBAQE- X-RocketYMMF: lhofhansl X-Mailer: YahooMailWebService/0.8.148.557 References: Message-ID: <1372928823.65243.YahooMailNeo@web140601.mail.bf1.yahoo.com> Date: Thu, 4 Jul 2013 02:07:03 -0700 (PDT) From: lars hofhansl Reply-To: lars hofhansl Subject: Re: question about clienttrace logs in hdfs and shortcircuit read To: "user@hbase.apache.org" In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Virus-Checked: Checked by ClamAV on apache.org +1 we should have a metric for this. ----- Original Message ----- From: ramkrishna vasudevan To: "user@hbase.apache.org" Cc: Sent: Thursday, July 4, 2013 2:02 AM Subject: Re: question about clienttrace logs in hdfs and shortcircuit read I think we should have some explicit indicator for this feature. Mind filing a JIRA for this? Regards Ram On Thu, Jul 4, 2013 at 2:30 PM, Viral Bajaria wrote: > Currently datanode shows a lot of clienttrace logs for DFSClient. I did a > quick command line check to see how many clienttrace do I get per active > RegionServer and it seems the local RegionServer had very few (< 1%). > > Given that datanode logs are too noisy with clienttrace, I was hoping to > find the metrics in an easier way. But maybe I will hunt the logs now. > > Any pointers on what type of log to look for ? > > Thanks, > Viral > > On Thu, Jul 4, 2013 at 1:57 AM, Azuryy Yu wrote: > > > if SCR take effect, you can see releated logs in the datanode log. >