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https://issues.apache.org/jira/browse/HBASE-10615?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13914941#comment-13914941
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Matteo Bertozzi commented on HBASE-10615:
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yeah, that works
if your application does all the job of resolving the links and going to the
archive to lookup the right files.
also if you create a new table with presplit, instead of "copying" the old
.META. with the daughter information will allow you to skip the ref files and
don't have any problem.
can just you just add a WARN or INFO (your choice) that you have skipped those
files? after that I'm +1
> 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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