[jira] [Commented] (HIVE-19772) Streaming ingest V2 API can generate invalid orc file if interrupted

["Prasanth Jayachandran (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-19772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16498697#comment-16498697 ] 

Prasanth Jayachandran commented on HIVE-19772:
----------------------------------------------

[~gopalv]/[~ekoifman] could someone please review?

> Streaming ingest V2 API can generate invalid orc file if interrupted
> --------------------------------------------------------------------
>
>                 Key: HIVE-19772
>                 URL: https://issues.apache.org/jira/browse/HIVE-19772
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>    Affects Versions: 3.1.0, 3.0.1, 4.0.0
>            Reporter: Gopal V
>            Assignee: Prasanth Jayachandran
>            Priority: Critical
>         Attachments: HIVE-19772.1.patch
>
>
> Hive streaming ingest generated 0 length and 3 byte files which are invalid orc files. This will throw the following exception during compaction
> {code}
> Error: org.apache.orc.FileFormatException: Not a valid ORC file hdfs://cn105-10.l42scl.hortonworks.com:8020/apps/hive/warehouse/culvert/year=2018/month=7/delta_0000025_0000025/bucket_00005 (maxFileLength= 3) at org.apache.orc.impl.ReaderImpl.extractFileTail(ReaderImpl.java:546) at org.apache.orc.impl.ReaderImpl.<init>(ReaderImpl.java:370) at org.apache.hadoop.hive.ql.io.orc.ReaderImpl.<init>(ReaderImpl.java:60) at org.apache.hadoop.hive.ql.io.orc.OrcFile.createReader(OrcFile.java:90) at org.apache.hadoop.hive.ql.io.orc.OrcRawRecordMerger.<init>(OrcRawRecordMerger.java:1124) at org.apache.hadoop.hive.ql.io.orc.OrcInputFormat.getRawReader(OrcInputFormat.java:2373) at org.apache.hadoop.hive.ql.txn.compactor.CompactorMR$CompactorMap.map(CompactorMR.java:1000) at org.apache.hadoop.hive.ql.txn.compactor.CompactorMR$CompactorMap.map(CompactorMR.java:977) at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54) at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:460) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:344) at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:174) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1965) at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:168)
> {code}



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