Jerry He created HBASE-10615:
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Summary: 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
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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