Return-Path: X-Original-To: apmail-cassandra-commits-archive@www.apache.org Delivered-To: apmail-cassandra-commits-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 1612510588 for ; Mon, 12 May 2014 05:24:20 +0000 (UTC) Received: (qmail 60268 invoked by uid 500); 10 May 2014 22:02:15 -0000 Delivered-To: apmail-cassandra-commits-archive@cassandra.apache.org Received: (qmail 45682 invoked by uid 500); 10 May 2014 22:01:18 -0000 Mailing-List: contact commits-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@cassandra.apache.org Delivered-To: mailing list commits@cassandra.apache.org Received: (qmail 19200 invoked by uid 99); 10 May 2014 21:59:23 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 10 May 2014 21:59:23 +0000 Date: Sat, 10 May 2014 21:59:23 +0000 (UTC) From: "Tyler Hobbs (JIRA)" To: commits@cassandra.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (CASSANDRA-6525) Cannot select data which using "WHERE" 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/CASSANDRA-6525?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13993980#comment-13993980 ] Tyler Hobbs commented on CASSANDRA-6525: ---------------------------------------- This seems to require near-OOM conditions to occur. So far I've only been able to reproduce this in a low-memory environment (~1GB), and it either occurs just before an OOM or when the JVM is on the brink of exhausting its heap space. > Cannot select data which using "WHERE" > -------------------------------------- > > Key: CASSANDRA-6525 > URL: https://issues.apache.org/jira/browse/CASSANDRA-6525 > Project: Cassandra > Issue Type: Bug > Environment: Linux RHEL5 > RAM: 1GB > Cassandra 2.0.3 > CQL spec 3.1.1 > Thrift protocol 19.38.0 > Reporter: Silence Chow > Assignee: Tyler Hobbs > Fix For: 2.0.8 > > Attachments: 6981_test.py > > > I am developing a system on my single machine using VMware Player with 1GB Ram and 1Gb HHD. When I select all data, I didn't have any problems. But when I using "WHERE" and it has just below 10 records. I have got this error in system log: > {noformat} > ERROR [ReadStage:41] 2013-12-25 18:52:11,913 CassandraDaemon.java (line 187) Exception in thread Thread[ReadStage:41,5,main] > java.io.IOError: java.io.EOFException > at org.apache.cassandra.db.Column$1.computeNext(Column.java:79) > at org.apache.cassandra.db.Column$1.computeNext(Column.java:64) > at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143) > at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138) > at org.apache.cassandra.db.columniterator.SimpleSliceReader.computeNext(SimpleSliceReader.java:88) > at org.apache.cassandra.db.columniterator.SimpleSliceReader.computeNext(SimpleSliceReader.java:37) > at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143) > at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138) > at org.apache.cassandra.db.columniterator.SSTableSliceIterator.hasNext(SSTableSliceIterator.java:82) > at org.apache.cassandra.db.filter.QueryFilter$2.getNext(QueryFilter.java:157) > at org.apache.cassandra.db.filter.QueryFilter$2.hasNext(QueryFilter.java:140) > at org.apache.cassandra.utils.MergeIterator$Candidate.advance(MergeIterator.java:144) > at org.apache.cassandra.utils.MergeIterator$ManyToOne.(MergeIterator.java:87) > at org.apache.cassandra.utils.MergeIterator.get(MergeIterator.java:46) > at org.apache.cassandra.db.filter.QueryFilter.collateColumns(QueryFilter.java:120) > at org.apache.cassandra.db.filter.QueryFilter.collateOnDiskAtom(QueryFilter.java:80) > at org.apache.cassandra.db.filter.QueryFilter.collateOnDiskAtom(QueryFilter.java:72) > at org.apache.cassandra.db.CollationController.collectAllData(CollationController.java:297) > at org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:53) > at org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1487) > at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1306) > at org.apache.cassandra.db.Keyspace.getRow(Keyspace.java:332) > at org.apache.cassandra.db.SliceFromReadCommand.getRow(SliceFromReadCommand.java:65) > at org.apache.cassandra.service.StorageProxy$LocalReadRunnable.runMayThrow(StorageProxy.java:1401) > at org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:1936) > at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) > at java.lang.Thread.run(Unknown Source) > Caused by: java.io.EOFException > at java.io.RandomAccessFile.readFully(Unknown Source) > at java.io.RandomAccessFile.readFully(Unknown Source) > at org.apache.cassandra.io.util.RandomAccessReader.readBytes(RandomAccessReader.java:348) > at org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:392) > at org.apache.cassandra.utils.ByteBufferUtil.readWithShortLength(ByteBufferUtil.java:371) > at org.apache.cassandra.db.OnDiskAtom$Serializer.deserializeFromSSTable(OnDiskAtom.java:74) > at org.apache.cassandra.db.Column$1.computeNext(Column.java:75) > ... 27 more > {noformat} > E.g. > {{SELECT * FROM table;}} > Its fine. > {{SELECT * FROM table WHERE field = 'N';}} > field is the partition key. > Its said "Request did not complete within rpc_timeout." in cqlsh -- This message was sent by Atlassian JIRA (v6.2#6252)