Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id BBBC1200CB6 for ; Thu, 29 Jun 2017 20:11:25 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id BB3EE160BED; Thu, 29 Jun 2017 18:11:25 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 0C4DF160BC6 for ; Thu, 29 Jun 2017 20:11:24 +0200 (CEST) Received: (qmail 54848 invoked by uid 500); 29 Jun 2017 18:11:23 -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 54835 invoked by uid 99); 29 Jun 2017 18:11:23 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd4-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 29 Jun 2017 18:11:23 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd4-us-west.apache.org (ASF Mail Server at spamd4-us-west.apache.org) with ESMTP id E7C17C16CC for ; Thu, 29 Jun 2017 18:11:22 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 2.379 X-Spam-Level: ** X-Spam-Status: No, score=2.379 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=2, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_SORBS_SPAM=0.5, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd4-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id 1hQSJyJOwe1w for ; Thu, 29 Jun 2017 18:11:22 +0000 (UTC) Received: from mail-yw0-f169.google.com (mail-yw0-f169.google.com [209.85.161.169]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTPS id 451085F6CB for ; Thu, 29 Jun 2017 18:11:21 +0000 (UTC) Received: by mail-yw0-f169.google.com with SMTP id l21so31807353ywb.1 for ; Thu, 29 Jun 2017 11:11:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=rgV3/e4tfUy6/bA0eYoZZLaLv5DbjpG6oDCG38RlBUU=; b=XO2ZgqU/CtQd0M/rtuhV/b3eLzfHhQjeRe70xElEVCEMcjUeDlVyN4SkvCPGZaCN6Q jMIZQzAZDPEI5xia/nE0XghXJkCaplcuaYdKn4ffrZWrCOvtlWaUNb/6I70Bh1goLZmW 3DT5KOb8Zie7AfmFzpjKWoPT8itGQLBDvtzs5Xu9VpU16X3wGhxWQCTLhYh6hQZW0fuJ c6DopgFLfBYjrZI9JDITBvkffhcTJjnXd12VzaPTRXGSuxeBIq8lCofB9xiewQeb0gaQ P8uAa9TQ7FcxzYH0tcjahuvAGca2aytdloT11GNTMfIZEA7VxeQ/yP34jRGonFP4uuTG Ijmw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=rgV3/e4tfUy6/bA0eYoZZLaLv5DbjpG6oDCG38RlBUU=; b=CQZblLpUuf7tEyOS33YmFnwnCTtHDjuPm2rI6lRvPXi8lrepAWfoCFrVCOAC/dCX8k ddHis/XEu3mEQDGCkL6y9buLYFNo7vlp6KRys+/uVj6AZ6LKxmj7o8SJM5s8P9UfC0Yd ps60deGHVlsGcFsjFY2M9B+dzJZqZMc/tpaV4H1IpV8zCl5KP994izBL+bX+YI5ZjjZK /BrPUci4aoHpc7buGWPt+VE7c4UVRa2deq4ZMflE1EmYfpQhEI9CpZz69GY5hcDQIZlM pnzJ/zcXUu6HjB73QDvkHMhpUX+KG8/YTq0TS56Vsmy7YKEN3woTQ5iCfqV8CSYvphsN B2uw== X-Gm-Message-State: AKS2vOwLJU1QBN40x0ygOO209kEFiqrRGVNXeYv7b9rFJjr2UdVmMHGZ ecZeskinB5sC+387n9BJcfXU7sEq61K9 X-Received: by 10.129.183.2 with SMTP id v2mr12882976ywh.168.1498759880010; Thu, 29 Jun 2017 11:11:20 -0700 (PDT) MIME-Version: 1.0 Received: by 10.37.231.200 with HTTP; Thu, 29 Jun 2017 11:11:19 -0700 (PDT) In-Reply-To: References: From: Ted Yu Date: Thu, 29 Jun 2017 11:11:19 -0700 Message-ID: Subject: Re: Slow HBase write across data center To: "user@hbase.apache.org" Content-Type: multipart/alternative; boundary="94eb2c1cb516407b5005531d3a6c" archived-at: Thu, 29 Jun 2017 18:11:25 -0000 --94eb2c1cb516407b5005531d3a6c Content-Type: text/plain; charset="UTF-8" Were the regions receiving the writes spread out evenly in the cluster ? Can you check region server logs to see if there is some clue ? Please read http://hbase.apache.org/book.html#casestudies (129. Performance/Troubleshooting) Cheers On Thu, Jun 29, 2017 at 10:30 AM, Sreeram wrote: > Hi, > > I am facing very slow write speed when I write to a HBase cluster in > a different data center. The network round trip takes 1 ms. Average > time taken for 100 PUTs (each 500KB) takes over 2 seconds. Any network > or OS parameter that I need to check ? > > Will appreciate any inputs from the community on this. > > Thanks, > Sreeram > --94eb2c1cb516407b5005531d3a6c--