farmmamba created HDFS-17003:
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Summary: Erasure coding: invalidate wrong block after reporting
bad blocks from datanode
Key: HDFS-17003
URL: https://issues.apache.org/jira/browse/HDFS-17003
Project: Hadoop HDFS
Issue Type: Bug
Reporter: farmmamba
After receiving reportBadBlocks RPC from datanode, NameNode compute wrong block
to invalidate. It is a dangerous behaviour and may cause data loss. Some logs
in our production as below:
NameNode log:
{code:java}
2023-05-08 14:39:42,241 INFO org.apache.hadoop.hdfs.StateChange: *DIR*
reportBadBlocks for block:
BP-932824627-xxxx-1680179358678:blk_-9223372036846808880_1669008 on datanode:
datanode1:50010 {code}
datanode1 log:
{code:java}
2023-05-08 14:39:42,183 WARN
org.apache.hadoop.hdfs.server.datanode.VolumeScanner: Reporting bad
BP-932824627-xxxx-1680179358678:blk_-9223372036846808880_1669008
on /data1/hadoop/hdfs/datanode
2023-05-08 14:39:47,338 INFO
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl: Failed to
delete replica blk_-9223372036846808879_1669008: ReplicaInfo
not found. {code}
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