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https://issues.apache.org/jira/browse/HBASE-10615?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13912584#comment-13912584
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stack commented on HBASE-10615:
-------------------------------
lgtm
> Make LoadIncrementalHFiles skip reference files
> -----------------------------------------------
>
> Key: HBASE-10615
> URL: https://issues.apache.org/jira/browse/HBASE-10615
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.96.0
> Reporter: Jerry He
> Assignee: Jerry He
> Priority: Minor
> Attachments: HBASE-10615-trunk.patch
>
>
> There is use base that the source of hfiles for LoadIncrementalHFiles can be
> a FileSystem copy-out/backup of HBase table or archive hfiles. For example,
> 1. Copy-out of hbase.rootdir, table dir, region dir (after disable) or
> archive dir.
> 2. ExportSnapshot
> It is possible that there are reference files in the family dir in these
> cases.
> We have such use cases, where trying to load back into HBase, we'll get
> {code}
> Caused by: org.apache.hadoop.hbase.io.hfile.CorruptHFileException: Problem
> reading HFile Trailer from file
> hdfs://HDFS-AMR/tmp/restoreTemp/117182adfe861c5d2b607da91d60aa8a/info/aed3d01648384b31b29e5bad4cd80bec.d179ab341fc68e7612fcd74eaf7cafbd
> at
> org.apache.hadoop.hbase.io.hfile.HFile.pickReaderVersion(HFile.java:570)
> at
> org.apache.hadoop.hbase.io.hfile.HFile.createReaderWithEncoding(HFile.java:594)
> at org.apache.hadoop.hbase.io.hfile.HFile.createReader(HFile.java:636)
> at
> org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.groupOrSplit(LoadIncrementalHFiles.java:472)
> at
> org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles$2.call(LoadIncrementalHFiles.java:393)
> at
> org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles$2.call(LoadIncrementalHFiles.java:391)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:314)
> at java.util.concurrent.FutureTask.run(FutureTask.java:149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:897)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:919)
> at java.lang.Thread.run(Thread.java:738)
> Caused by: java.lang.IllegalArgumentException: Invalid HFile version:
> 16715777 (expected to be between 2 and 2)
> at
> org.apache.hadoop.hbase.io.hfile.HFile.checkFormatVersion(HFile.java:927)
> at
> org.apache.hadoop.hbase.io.hfile.FixedFileTrailer.readFromStream(FixedFileTrailer.java:426)
> at
> org.apache.hadoop.hbase.io.hfile.HFile.pickReaderVersion(HFile.java:568)
> {code}
> It is desirable and safe to skip these reference files since they don't
> contain any real data for bulk load purpose.
>
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