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https://issues.apache.org/jira/browse/CASSANDRA-3859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13210259#comment-13210259
 ] 

Erik Forsberg commented on CASSANDRA-3859:
------------------------------------------

I'm guessing the first version of the patch was then the reason I am seeing 
lot's of this in my cassandra server's logs:

{noformat}
ERROR [Thread-544] 2012-02-17 13:29:17,936 AbstractCassandraDaemon.java (line 
134) Fatal exception in thread Thread[Thread-544,5,main]
java.io.IOError: java.io.EOFException
        at 
org.apache.cassandra.io.util.ColumnIterator.deserializeNext(ColumnSortedMap.java:260)
        at 
org.apache.cassandra.io.util.ColumnIterator.next(ColumnSortedMap.java:276)
        at 
org.apache.cassandra.io.util.ColumnIterator.next(ColumnSortedMap.java:233)
        at edu.stanford.ppl.concurrent.SnapTreeMap.<init>(SnapTreeMap.java:422)
        at 
org.apache.cassandra.db.AtomicSortedColumns$Holder.<init>(AtomicSortedColumns.java:301)
        at 
org.apache.cassandra.db.AtomicSortedColumns.<init>(AtomicSortedColumns.java:77)
        at 
org.apache.cassandra.db.AtomicSortedColumns.<init>(AtomicSortedColumns.java:48)
        at 
org.apache.cassandra.db.AtomicSortedColumns$1.fromSorted(AtomicSortedColumns.java:61)
        at 
org.apache.cassandra.db.SuperColumnSerializer.deserialize(SuperColumn.java:371)
        at 
org.apache.cassandra.io.sstable.SSTableWriter.appendFromStream(SSTableWriter.java:244)
        at 
org.apache.cassandra.streaming.IncomingStreamReader.streamIn(IncomingStreamReader.java:146)
        at 
org.apache.cassandra.streaming.IncomingStreamReader.read(IncomingStreamReader.java:93)
        at 
org.apache.cassandra.net.IncomingTcpConnection.stream(IncomingTcpConnection.java:185)
        at 
org.apache.cassandra.net.IncomingTcpConnection.run(IncomingTcpConnection.java:81)
Caused by: java.io.EOFException
        at java.io.DataInputStream.readInt(DataInputStream.java:375)
        at 
org.apache.cassandra.utils.BytesReadTracker.readInt(BytesReadTracker.java:101)
        at 
org.apache.cassandra.utils.ByteBufferUtil.readWithLength(ByteBufferUtil.java:350)
        at 
org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:114)
        at 
org.apache.cassandra.io.util.ColumnIterator.deserializeNext(ColumnSortedMap.java:256)
        ... 13 more
{noformat}

Retrying with new patch..
                
> Add Progress Reporting to Cassandra OutputFormats
> -------------------------------------------------
>
>                 Key: CASSANDRA-3859
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3859
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Hadoop, Tools
>    Affects Versions: 1.1.0
>            Reporter: Samarth Gahire
>            Assignee: Brandon Williams
>            Priority: Minor
>              Labels: bulkloader, hadoop, mapreduce, sstableloader
>             Fix For: 1.1.0
>
>         Attachments: 0001-add-progress-reporting-to-BOF.txt, 
> 0002-Add-progress-to-CFOF.txt
>
>   Original Estimate: 48h
>  Remaining Estimate: 48h
>
> When we are using the BulkOutputFormat to load the data to cassandra. We 
> should use the progress reporting to Hadoop Job within Sstable loader because 
> while loading the data for particular task if streaming is taking more time 
> and progress is not reported to Job it may kill the task with timeout 
> exception. 

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