Return-Path: X-Original-To: apmail-accumulo-notifications-archive@minotaur.apache.org Delivered-To: apmail-accumulo-notifications-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 6524410474 for ; Wed, 19 Nov 2014 22:57:34 +0000 (UTC) Received: (qmail 23351 invoked by uid 500); 19 Nov 2014 22:57:34 -0000 Delivered-To: apmail-accumulo-notifications-archive@accumulo.apache.org Received: (qmail 23308 invoked by uid 500); 19 Nov 2014 22:57:34 -0000 Mailing-List: contact notifications-help@accumulo.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: jira@apache.org Delivered-To: mailing list notifications@accumulo.apache.org Received: (qmail 23293 invoked by uid 99); 19 Nov 2014 22:57:34 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 19 Nov 2014 22:57:34 +0000 Date: Wed, 19 Nov 2014 22:57:34 +0000 (UTC) From: "John Vines (JIRA)" To: notifications@accumulo.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (ACCUMULO-3343) EOFException when source switching iterator fires MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/ACCUMULO-3343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14218662#comment-14218662 ] John Vines commented on ACCUMULO-3343: -------------------------------------- Also noting, cache sizes are 1GB and 512MB, so that 55GB for the cache is horrendously wrong. > EOFException when source switching iterator fires > ------------------------------------------------- > > Key: ACCUMULO-3343 > URL: https://issues.apache.org/jira/browse/ACCUMULO-3343 > Project: Accumulo > Issue Type: Bug > Components: tserver > Affects Versions: 1.5.2, 1.6.1 > Environment: 1.6.0 with the patch for ACCUMULO-1628 applied to it > Reporter: John Vines > Fix For: 1.5.3, 1.6.2, 1.7.0 > > > On a high ingest/query cluster (between 10-20 nodes) I see the following - > {code}2014-11-14 22:08:12,745 [tserver.InMemoryMap] ERROR: Failed to create mem dump file > java.io.EOFException > at java.io.DataInputStream.readByte(DataInputStream.java:267) > at org.apache.accumulo.core.file.rfile.RelativeKey.fastSkip(RelativeKey.java:314) > at org.apache.accumulo.core.file.rfile.RFile$LocalityGroupReader._seek(RFile.java:748) > at org.apache.accumulo.core.file.rfile.RFile$LocalityGroupReader.seek(RFile.java:607) > at org.apache.accumulo.core.iterators.system.LocalityGroupIterator.seek(LocalityGroupIterator.java:142) > at org.apache.accumulo.core.file.rfile.RFile$Reader.seek(RFile.java:979) > at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.tserver.MemKeyConversionIterator.seek(InMemoryMap.java:168) > at org.apache.accumulo.core.iterators.system.SourceSwitchingIterator._switchNow(SourceSwitchingIterator.java:171) > at org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.switchNow(SourceSwitchingIterator.java:179) > at org.apache.accumulo.tserver.InMemoryMap$MemoryIterator.switchNow(InMemoryMap.java:647) > at org.apache.accumulo.tserver.InMemoryMap$MemoryIterator.access$900(InMemoryMap.java:601) > at org.apache.accumulo.tserver.InMemoryMap.delete(InMemoryMap.java:746) > at org.apache.accumulo.tserver.Tablet$TabletMemory.finalizeMinC(Tablet.java:327) > at org.apache.accumulo.tserver.Tablet.minorCompact(Tablet.java:2068) > at org.apache.accumulo.tserver.Tablet.access$4300(Tablet.java:170) > at org.apache.accumulo.tserver.Tablet$MinorCompactionTask.run(Tablet.java:2134) > at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34) > at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47) > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47) > at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34) > at java.lang.Thread.run(Thread.java:744){code} > After this happens, I also see iterators failing- > {code} ERROR: exception when running query > java.io.EOFException > at java.io.DataInputStream.readByte(DataInputStream.java:267) > at org.apache.accumulo.core.file.rfile.RelativeKey.fastSkip(RelativeKey.java:314) > at org.apache.accumulo.core.file.rfile.RFile$LocalityGroupReader._seek(RFile.java:748) > at org.apache.accumulo.core.file.rfile.RFile$LocalityGroupReader.seek(RFile.java:607) > at org.apache.accumulo.core.iterators.system.LocalityGroupIterator.seek(LocalityGroupIterator.java:142) > at org.apache.accumulo.core.file.rfile.RFile$Reader.seek(RFile.java:979) > at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.tserver.MemKeyConversionIterator.seek(InMemoryMap.java:168) > at org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.readNext(SourceSwitchingIterator.java:116) > at org.apache.accumulo.core.iterators.system.SourceSwitchingIterator.seek(SourceSwitchingIterator.java:162) > at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.SkippingIterator.seek(SkippingIterator.java:37) > at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.system.MultiIterator.seek(MultiIterator.java:105) > at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.system.StatsIterator.seek(StatsIterator.java:64) > at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.system.DeletingIterator.seek(DeletingIterator.java:67) > at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.SkippingIterator.seek(SkippingIterator.java:37) > at org.apache.accumulo.core.iterators.system.ColumnFamilySkippingIterator.seek(ColumnFamilySkippingIterator.java:123) > at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.Filter.seek(Filter.java:64) > at org.apache.accumulo.core.iterators.WrappingIterator.seek(WrappingIterator.java:101) > at org.apache.accumulo.core.iterators.Filter.seek(Filter.java:64) > at org.apache.accumulo.core.iterators.system.SynchronizedIterator.seek(SynchronizedIterator.java:55) > {code} > Still waiting on logs related, but when the system gets into this state, all tservers are throwing errors like this (our query pattern uses a lot of batchscanners), but also we see the gc take extremely long times to run, throwing > {code}[impl.ThriftScanner] DEBUG: Scan failed, thrift error org.apache.thrift.transport.TTransportException java.net.SocketTimeoutException: 120000 millis timeout while waiting for channel to be ready for read. ch : java.nio.channels.SocketChannel[connected...{code} but I think that is unrelated -- This message was sent by Atlassian JIRA (v6.3.4#6332)