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From Michael Kjellman <mkjell...@barracuda.com>
Subject Re:
Date Thu, 20 Sep 2012 02:32:39 GMT
A few questions: what version of 1.1 are you running. What version of Hadoop?

What is your job config? What is the buffer size you've chosen? How much data are you dealing
with?

On Sep 19, 2012, at 7:23 PM, "Manu Zhang" <owenzhang1990@gmail.com> wrote:

> I've been bulk loading data into Cassandra and seen the following exception:
> 
> ERROR 10:10:31,032 Exception in thread Thread[CompactionExecutor:5,1,main]
> java.lang.RuntimeException: Last written key DecoratedKey(-442063125946754, 313130303136373a31)
>= current key DecoratedKey(-465541023623745, 313036393331333a33) writing into /home/manuzhang/cassandra/data/tpch/lineitem/tpch-lineitem-tmp-ia-56-Data.db
> 	at org.apache.cassandra.io.sstable.SSTableWriter.beforeAppend(SSTableWriter.java:131)
> 	at org.apache.cassandra.io.sstable.SSTableWriter.append(SSTableWriter.java:152)
> 	at org.apache.cassandra.db.compaction.CompactionTask.runWith(CompactionTask.java:169)
> 	at org.apache.cassandra.io.util.DiskAwareRunnable.runMayThrow(DiskAwareRunnable.java:48)
> 	at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> 	at org.apache.cassandra.db.compaction.CompactionTask.execute(CompactionTask.java:69)
> 	at org.apache.cassandra.db.compaction.CompactionManager$1.run(CompactionManager.java:152)
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> 	at java.lang.Thread.run(Thread.java:722)
> 
> The running Cassandra and that I load data into are the same one.
> 
> What's the cause?

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