Hello guys, I have found the supposed error. It was because the /tmp directory in the Amazon webservice instance is limited to 8 GB.
Best regards, Chris > Am 29.10.2014 um 00:41 schrieb Christian Schwabe <[email protected]>: > > > Hello guys, > > Due to the weak hardware available to me I have now leased AWS (Amazon Web > Services) instances. The adjustment is now quitesimple and was done quickly. > What I would like to mention is that some queries previously have been run > successful > BUT... ;) > > > For a query with a large selection and great Joins I received the following > exception: > > > 2014-10-28 22:57:46,793 ERROR org.apache.tajo.master.GlobalEngine: > Stack Trace: > LINE 1:0 Caused by: java.io.IOException: No space left on device > ^^^^^^ > at org.apache.tajo.engine.parser.SQLAnalyzer.parse(SQLAnalyzer.java:65) > at > org.apache.tajo.master.GlobalEngine.buildExpressionFromSql(GlobalEngine.java:196) > at org.apache.tajo.master.GlobalEngine.executeQuery(GlobalEngine.java:164) > at > org.apache.tajo.master.TajoMasterClientService$TajoMasterClientProtocolServiceHandler.submitQuery(TajoMasterClientService.java:265) > at > org.apache.tajo.ipc.TajoMasterClientProtocol$TajoMasterClientProtocolService$2.callBlockingMethod(TajoMasterClientProtocol.java:527) > at > org.apache.tajo.rpc.BlockingRpcServer$ServerHandler.messageReceived(BlockingRpcServer.java:103) > at > org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70) > at > org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564) > at > org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791) > at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:296) > at > org.jboss.netty.handler.codec.oneone.OneToOneDecoder.handleUpstream(OneToOneDecoder.java:70) > at > org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564) > at > org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791) > at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:296) > at > org.jboss.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:462) > at > org.jboss.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:443) > at > org.jboss.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:303) > at > org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70) > at > org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564) > at > org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559) > at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:268) > at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:255) > at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88) > at > org.jboss.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:109) > at > org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:312) > at > org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:90) > at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178) > at > org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) > at > org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:745) > > > I know this exception describes quite accurately what is wrong here, but this > exception is mistaken, because there is enough free space as you can see: > > ubuntu_master@ip-xx-xx-xxx-xx:~$ df -h > Filesystem Size Used Avail Use% Mounted on > /dev/xvda1 7.8G 3.1G 4.3G 42% / > none 4.0K 0 4.0K 0% /sys/fs/cgroup > udev 7.4G 12K 7.4G 1% /dev > tmpfs 1.5G 372K 1.5G 1% /run > none 5.0M 0 5.0M 0% /run/lock > none 7.4G 0 7.4G 0% /run/shm > none 100M 0 100M 0% /run/user > /dev/xvdb 37G 15G 21G 42% /mnt > > > ubuntu_slave@ip-xx-xx-xxx-xx:~$ df -h > Filesystem Size Used Avail Use% Mounted on > /dev/xvda1 7.8G 2.6G 4.9G 35% / > none 4.0K 0 4.0K 0% /sys/fs/cgroup > udev 7.4G 12K 7.4G 1% /dev > tmpfs 1.5G 356K 1.5G 1% /run > none 5.0M 0 5.0M 0% /run/lock > none 7.4G 0 7.4G 0% /run/shm > none 100M 0 100M 0% /run/user > /dev/xvdb 37G 15G 21G 42% /mnt > > > Unfortunately I really don't know what should I do except ensure sufficient > free space. Hope you guys have any ideas. > > The whole community do a great job for Apache Tajo! Thanks a lot! > > > > Best regards, > Chris
