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 49F59F6BB for ; Tue, 6 Aug 2013 07:39:58 +0000 (UTC) Received: (qmail 66515 invoked by uid 500); 6 Aug 2013 07:39:55 -0000 Delivered-To: apmail-hbase-user-archive@hbase.apache.org Received: (qmail 66372 invoked by uid 500); 6 Aug 2013 07:39:55 -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 66364 invoked by uid 99); 6 Aug 2013 07:39:54 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 06 Aug 2013 07:39:54 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_MESSAGE,NORMAL_HTTP_TO_IP,RCVD_IN_DNSWL_LOW,SPF_PASS,WEIRD_PORT X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of justlooks@gmail.com designates 209.85.214.173 as permitted sender) Received: from [209.85.214.173] (HELO mail-ob0-f173.google.com) (209.85.214.173) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 06 Aug 2013 07:39:48 +0000 Received: by mail-ob0-f173.google.com with SMTP id ta17so90059obb.4 for ; Tue, 06 Aug 2013 00:39:26 -0700 (PDT) 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=Gwr9XWPyVfjTNWyhPDR8kdvy5Hxqss9dIm8+u0MGGIY=; b=A0Dmrm2aMt+hXmr98Tj4FFTqe2bYCu7LS7hoHaYNNUX0WlhaNYPBR0izck1qQfS9Xf MrZuQVJCPh+jTAiCbcr4fVxzuDLVZUXm+pp5qPhEE7JMYmDxh4F0/omMjWkkhdoqqUHM VVX4DhDX8gx37Q+bGftNDYVuWv5OabWQKCmXg6zWmNtJw4H1weEc3QtsMNW8QAHafMEN 8RbovTFTZqwJUcTdXPTh+pQDlGlLGjT2T/HkcSmQkP1eqdTZBpBi7+Nd+8nXGhJI8rgh 5sUxMu0KnVOXE3kkIIgSj2fg3zknLuikXbo96ONTjtJL/T0bR5YtTFWMZ9vlxXozvPL+ DyIQ== MIME-Version: 1.0 X-Received: by 10.60.148.197 with SMTP id tu5mr72892oeb.4.1375774766507; Tue, 06 Aug 2013 00:39:26 -0700 (PDT) Received: by 10.182.129.138 with HTTP; Tue, 6 Aug 2013 00:39:26 -0700 (PDT) Date: Tue, 6 Aug 2013 15:39:26 +0800 Message-ID: Subject: scan very slow in hbase From: ch huang To: user@hbase.apache.org Content-Type: multipart/alternative; boundary=047d7b2e3d003fae0404e34286d5 X-Virus-Checked: Checked by ClamAV on apache.org --047d7b2e3d003fae0404e34286d5 Content-Type: text/plain; charset=ISO-8859-1 my workmate tell me hbase is very slow for scan something ,i check the region server find the following information,anyone can help? 13/08/06 15:30:34 WARN ipc.HBaseServer: IPC Server listener on 60020: readAndProcess threw exception java.io.IOException: Connection reset by peer. Count of bytes read: 0 java.io.IOException: Connection reset by peer at sun.nio.ch.FileDispatcher.read0(Native Method) at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:21) at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:198) at sun.nio.ch.IOUtil.read(IOUtil.java:171) at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:245) at org.apache.hadoop.hbase.ipc.HBaseServer.channelRead(HBaseServer.java:1796) at org.apache.hadoop.hbase.ipc.HBaseServer$Connection.readAndProcess(HBaseServer.java:1179) at org.apache.hadoop.hbase.ipc.HBaseServer$Listener.doRead(HBaseServer.java:748) at org.apache.hadoop.hbase.ipc.HBaseServer$Listener$Reader.doRunLoop(HBaseServer.java:539) at org.apache.hadoop.hbase.ipc.HBaseServer$Listener$Reader.run(HBaseServer.java:514) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) 13/08/06 15:30:34 ERROR regionserver.HRegionServer: org.apache.hadoop.hbase.ipc.CallerDisconnectedException: Aborting call next(1916648340315433886, 1), rpc version=1, client version=29, methodsFingerPrint=-1368823753 from 192.168.2.209:1150 after 8504 ms, since caller disconnected at org.apache.hadoop.hbase.ipc.HBaseServer$Call.throwExceptionIfCallerDisconnected(HBaseServer.java:436) at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:3856) at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:3776) at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextRaw(HRegion.java:3768) at org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:2513) at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:320) at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1426) --047d7b2e3d003fae0404e34286d5--