Thanks Brock. But curious to know which other property setting causes this write- timeout issue.
I have sink batch size as 20 and no batch size on the source side of the collector. This agent acts as a collector for other flume agents which sends the events to the collector. Madhu Munagala (214)679-2872 On Apr 8, 2013, at 1:42 PM, Brock Noland <[email protected]> wrote: > There is no harm in setting write-timeout to something like 30 seconds. In > fact it probably makes sense to increase the default to 30 seconds. > > > On Mon, Apr 8, 2013 at 1:38 PM, Madhu Gmail <[email protected]> wrote: >> >>> Hello, >>> >>> >>> >>> I am getting below ERROR in flume agent(Acting as a collector) which is >>> receiving log events from another flume agent. >>> >>> >>> >>> I have also copied my flume-conf.properties at the end of this mail. >>> >>> Any idea how to tune write-timeout value. >>> >>> >>> >>> >>> >>> 2013-04-05 13:17:33,197 ERROR org.apache.flume.SinkRunner: Unable to >>> deliver event. Exception follows. >>> >>> org.apache.flume.ChannelException: Failed to obtain lock for writing to the >>> log. Try increasing the log write timeout value. [channel=fc] >>> >>> at >>> org.apache.flume.channel.file.FileChannel$FileBackedTransaction.doTake(FileChannel.java:434) >>> >>> at >>> org.apache.flume.channel.BasicTransactionSemantics.take(BasicTransactionSemantics.java:113) >>> >>> at >>> org.apache.flume.channel.BasicChannelSemantics.take(BasicChannelSemantics.java:91) >>> >>> at >>> org.apache.flume.sink.hbase.HBaseSink.process(HBaseSink.java:189) >>> >>> at >>> org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:68) >>> >>> at >>> org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:147) >>> >>> at java.lang.Thread.run(Thread.java:662) >>> >>> 2013-04-05 13:17:33,427 INFO >>> org.apache.flume.channel.file.EventQueueBackingStoreFile: Updating >>> checkpoint metadata: logWriteOrderID: 1365169979081, queueSize: 0, >>> queueHead: 362421 >>> >>> 2013-04-05 13:17:34,233 INFO org.apache.flume.channel.file.LogFileV3: >>> Updating log-14.meta currentPosition = 3818784, logWriteOrderID = >>> 1365169979081 >>> >>> 2013-04-05 13:17:34,294 INFO org.apache.flume.channel.file.Log: Updated >>> checkpoint for file: /opt/sponge/flume/file-channel/dataDirs/log-14 >>> position: 3818784 logWriteOrderID: 1365169979081 >>> >>> 2013-04-05 13:17:34,294 DEBUG org.apache.flume.channel.file.Log: Rolling >>> back 1365169950299 >>> >>> 2013-04-05 13:17:34,296 ERROR org.apache.flume.source.AvroSource: Avro >>> source S1: Unable to process event batch. Exception follows. >>> >>> org.apache.flume.ChannelException: Unable to put batch on required channel: >>> FileChannel fc { dataDirs: [/opt/sponge/flume/file-channel/dataDirs] } >>> >>> at >>> org.apache.flume.channel.ChannelProcessor.processEventBatch(ChannelProcessor.java:200) >>> >>> at >>> org.apache.flume.source.AvroSource.appendBatch(AvroSource.java:237) >>> >>> at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown >>> Source) >>> >>> at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >>> >>> at java.lang.reflect.Method.invoke(Method.java:597) >>> >>> at >>> org.apache.avro.ipc.specific.SpecificResponder.respond(SpecificResponder.java:88) >>> >>> at org.apache.avro.ipc.Responder.respond(Responder.java:149) >>> >>> at >>> org.apache.avro.ipc.NettyServer$NettyServerAvroHandler.messageReceived(NettyServer.java:188) >>> >>> at >>> org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:80) >>> >>> at >>> org.apache.avro.ipc.NettyServer$NettyServerAvroHandler.handleUpstream(NettyServer.java:173) >>> >>> at >>> org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564) >>> >>> at >>> org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:783) >>> >>> at >>> org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:302) >>> >>> at >>> org.jboss.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:321) >>> >>> at >>> org.jboss.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:299) >>> >>> at >>> org.jboss.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:216) >>> >>> at >>> org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:80) >>> >>> 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:274) >>> >>> at >>> org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:261) >>> >>> at >>> org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:351) >>> >>> at >>> org.jboss.netty.channel.socket.nio.NioWorker.processSelectedKeys(NioWorker.java:282) >>> >>> at >>> org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:202) >>> >>> at >>> org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) >>> >>> at >>> org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:44) >>> >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) >>> >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) >>> >>> at java.lang.Thread.run(Thread.java:662) >>> >>> Caused by: org.apache.flume.ChannelException: Failed to obtain lock for >>> writing to the log. Try increasing the log write timeout value. [channel=fc] >>> >>> at >>> org.apache.flume.channel.file.FileChannel$FileBackedTransaction.doPut(FileChannel.java:400) >>> >>> at >>> org.apache.flume.channel.BasicTransactionSemantics.put(BasicTransactionSemantics.java:93) >>> >>> at >>> org.apache.flume.channel.BasicChannelSemantics.put(BasicChannelSemantics.java:76) >>> >>> at >>> org.apache.flume.channel.ChannelProcessor.processEventBatch(ChannelProcessor.java:189) >>> >>> ... 28 more >>> >>> 2013-04-05 13:17:34,296 DEBUG org.apache.flume.channel.file.Log: Files >>> currently in use: [14] >>> >>> 2013-04-05 13:17:34,305 INFO org.apache.avro.ipc.NettyServer: [id: >>> 0x498b5a73, /10.42.202.131:42784 :> /10.96.172.44:1442] DISCONNECTED >>> >>> 2013-04-05 13:17:34,305 INFO org.apache.avro.ipc.NettyServer: [id: >>> 0x498b5a73, /10.42.202.131:42784 :> /10.96.172.44:1442] UNBOUND >>> >>> 2013-04-05 13:17:34,305 INFO org.apache.avro.ipc.NettyServer: [id: >>> 0x498b5a73, /10.42.202.131:42784 :> /10.96.172.44:1442] CLOSED >>> >>> 2013-04-05 13:17:34,305 INFO org.apache.avro.ipc.NettyServer: Connection to >>> /10.42.202.131:42784 disconnected. >>> >>> 2013-04-05 13:17:38,200 ERROR org.apache.flume.SinkRunner: Unable to >>> deliver event. Exception follows. >>> >>> java.lang.IllegalStateException: begin() called when transaction is OPEN! >>> >>> at >>> com.google.common.base.Preconditions.checkState(Preconditions.java:145) >>> >>> at >>> org.apache.flume.channel.BasicTransactionSemantics.begin(BasicTransactionSemantics.java:131) >>> >>> at >>> org.apache.flume.sink.hbase.HBaseSink.process(HBaseSink.java:187) >>> >>> at >>> org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:68) >>> >>> at >>> org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:147) >>> >>> at java.lang.Thread.run(Thread.java:662) >>> >>> 2013-04-05 13:17:39,318 INFO org.apache.avro.ipc.NettyServer: [id: >>> 0x4e48f32a, /10.42.202.131:44085 => /10.96.172.44:1442] OPEN >>> >>> 2013-04-05 13:17:43,202 ERROR org.apache.flume.SinkRunner: Unable to >>> deliver event. Exception follows. >>> >>> java.lang.IllegalStateException: begin() called when transaction is OPEN! >>> >>> at >>> com.google.common.base.Preconditions.checkState(Preconditions.java:145) >>> >>> at >>> org.apache.flume.channel.BasicTransactionSemantics.begin(BasicTransactionSemantics.java:131) >>> >>> at >>> org.apache.flume.sink.hbase.HBaseSink.process(HBaseSink.java:187) >>> >>> at >>> org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:68) >>> >>> at >>> org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:147) >>> >>> at java.lang.Thread.run(Thread.java:662) >>> >>> 2013-04-05 13:17:45,853 INFO org.apache.avro.ipc.NettyServer: [id: >>> 0x4e48f32a, /10.42.202.131:44085 => /10.96.172.44:1442] BOUND: >>> /10.96.172.44:1442 >>> >>> 2013-04-05 13:17:45,853 INFO org.apache.avro.ipc.NettyServer: [id: >>> 0x4e48f32a, /10.42.202.131:44085 => /10.96.172.44:1442] CONNECTED: >>> /10.42.202.131:44085 >>> >>> 2013-04-05 13:17:45,854 DEBUG org.apache.flume.source.AvroSource: Avro >>> source S1: Received avro event batch of 39 events. >>> >>> 2013-04-05 13:17:45,958 DEBUG org.apache.flume.source.AvroSource: Avro >>> source S1: Received avro event batch of 1 events. >>> >>> 2013-04-05 13:17:48,499 DEBUG org.apache.zookeeper.ClientCnxn: Got ping >>> response for sessionid: 0x53dca4664900059 after 0ms >>> >>> 2013-04-05 13:17:50,854 ERROR org.apache.flume.SinkRunner: Unable to >>> deliver event. Exception follows. >>> >>> java.lang.IllegalStateException: begin() called when transaction is OPEN! >>> >>> at >>> com.google.common.base.Preconditions.checkState(Preconditions.java:145) >>> >>> at >>> org.apache.flume.channel.BasicTransactionSemantics.begin(BasicTransactionSemantics.java:131) >>> >>> at >>> org.apache.flume.sink.hbase.HBaseSink.process(HBaseSink.java:187) >>> >>> at >>> org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:68) >>> >>> at >>> org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:147) >>> >>> at java.lang.Thread.run(Thread.java:662) >>> >>> 2013-04-05 13:17:55,856 ERROR org.apache.flume.SinkRunner: Unable to >>> deliver event. Exception follows. >>> >>> java.lang.IllegalStateException: begin() called when transaction is OPEN! >>> >>> at >>> com.google.common.base.Preconditions.checkState(Preconditions.java:145) >>> >>> at >>> org.apache.flume.channel.BasicTransactionSemantics.begin(BasicTransactionSemantics.java:131) >>> >>> at >>> org.apache.flume.sink.hbase.HBaseSink.process(HBaseSink.java:187) >>> >>> at >>> org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:68) >>> >>> at >>> org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:147) >>> >>> at java.lang.Thread.run(Thread.java:662) >>> >>> >>> >>> >>> >>> >>> >>> ================================================================== >>> >>> col1.sources = S1 >>> >>> col1.channels = fc >>> >>> col1.sinks = hBaseSink1 >>> >>> >>> >>> >>> >>> col1.sources.S1.type = avro >>> >>> col1.sources.S1.bind=vm-15c2-3bbf >>> >>> col1.sources.S1.port=1442 >>> >>> col1.sources.S1.channels = fc >>> >>> >>> >>> >>> >>> # Each sink's type must be defined >>> >>> col1.sinks.hBaseSink1.type = org.apache.flume.sink.hbase.HBaseSink >>> >>> col1.sinks.hBaseSink1.table=elf_log >>> >>> col1.sinks.hBaseSink1.columnFamily=content >>> >>> col1.sinks.hBaseSink1.serializer=com.citi.sponge.flume.collector.sink.LogHbaseEventSerializer >>> >>> col1.sinks.hBaseSink1.timeout=120 >>> >>> col1.sinks.hBaseSink1.batchSize=20 >>> >>> >>> >>> >>> >>> #Specify the channel the sink should use >>> >>> col1.sinks.hBaseSink1.channel = fc >>> >>> >>> >>> >>> >>> # Each channel's type is defined. >>> >>> col1.channels.fc.type = file >>> >>> col1.channels.fc.checkpointDir = /opt/sponge/flume/file-channel/checkpoint >>> >>> col1.channels.fc.dataDirs = /opt/sponge/flume/file-channel/dataDirs >>> >>> col1.channels.fc.transactionCapacity = 1000 >>> >>> col1.channels.fc.checkpointInterval = 30000 >>> >>> col1.channels.fc.maxFileSize = 2146435071 >>> >>> col1.channels.fc.minimumRequiredSpace = 524288000 >>> >>> col1.channels.fc.keep-alive = 5 >>> >>> col1.channels.fc.write-timeout = 10 >>> >>> col1.channels.fc.checkpoint-timeout = 600 >>> >> >> >> Thanks >> Madhu > > > > -- > Apache MRUnit - Unit testing MapReduce - http://mrunit.apache.org
