Fei Hui created HDFS-14946:
------------------------------
Summary: Erasure Coding: Block recovery failed during
decommissioning
Key: HDFS-14946
URL: https://issues.apache.org/jira/browse/HDFS-14946
Project: Hadoop HDFS
Issue Type: Improvement
Environment: DataNode logs as follow
{quote}
org.apache.hadoop.HadoopIllegalArgumentException: No enough valid inputs are
provided, not recoverable
at
org.apache.hadoop.io.erasurecode.rawcoder.ByteBufferDecodingState.checkInputBuffers(ByteBufferDecodingState.java:119)
at
org.apache.hadoop.io.erasurecode.rawcoder.ByteBufferDecodingState.<init>(ByteBufferDecodingState.java:47)
at
org.apache.hadoop.io.erasurecode.rawcoder.RawErasureDecoder.decode(RawErasureDecoder.java:86)
at
org.apache.hadoop.hdfs.server.datanode.erasurecode.StripedBlockReconstructor.reconstructTargets(StripedBlockReconstructor.java:126)
at
org.apache.hadoop.hdfs.server.datanode.erasurecode.StripedBlockReconstructor.reconstruct(StripedBlockReconstructor.java:97)
at
org.apache.hadoop.hdfs.server.datanode.erasurecode.StripedBlockReconstructor.run(StripedBlockReconstructor.java:60)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
{quote}
Block recovery always failed because of srcNodes in the wrong order
Reporter: Fei Hui
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