[jira] [Resolved] (CARBONDATA-3490) Concurrent data load failure with carbondata FileNotFound exception

[Akash R Nilugal (Jira)]

     [ https://issues.apache.org/jira/browse/CARBONDATA-3490?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ravindra Pesala resolved CARBONDATA-3490.
-----------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.6.0

> Concurrent data load failure with carbondata FileNotFound exception
> -------------------------------------------------------------------
>
>                 Key: CARBONDATA-3490
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-3490
>             Project: CarbonData
>          Issue Type: Bug
>            Reporter: Ajantha Bhat
>            Priority: Major
>             Fix For: 1.6.0
>
>          Time Spent: 4h 50m
>  Remaining Estimate: 0h
>
> Caused by: org.apache.carbondata.core.datastore.exception.CarbonDataWriterException: Problem while copying file from local store to carbon store
> at org.apache.carbondata.core.util.CarbonUtil.copyCarbonDataFileToCarbonStorePath(CarbonUtil.java:2750)
> at org.apache.carbondata.processing.store.writer.AbstractFactDataWriter.commitCurrentFile(AbstractFactDataWriter.java:283)
> at org.apache.carbondata.processing.store.writer.v3.CarbonFactDataWriterImplV3.closeWriter(CarbonFactDataWriterImplV3.java:393)
> ... 11 more
> Caused by: java.io.FileNotFoundException: /tmp/carbon865982118689228_1/Fact/Part0/Segment_6/1/part-0-1_batchno0-0-6-1565329654844.carbondata (No such file or directory)
> at java.io.FileInputStream.open0(Native Method)
> at java.io.FileInputStream.open(FileInputStream.java:195)
> at java.io.FileInputStream.<init>(FileInputStream.java:138)
> at java.io.FileInputStream.<init>(FileInputStream.java:93)
> at org.apache.carbondata.core.datastore.filesystem.LocalCarbonFile.getDataInputStream(LocalCarbonFile.java:309)
> at org.apache.carbondata.core.datastore.filesystem.LocalCarbonFile.getDataInputStream(LocalCarbonFile.java:299)
> at org.apache.carbondata.core.datastore.impl.FileFactory.getDataInputStream(FileFactory.java:179)
> at org.apache.carbondata.core.datastore.impl.FileFactory.getDataInputStream(FileFactory.java:175)
> at org.apache.carbondata.core.util.CarbonUtil.copyLocalFileToCarbonStore(CarbonUtil.java:2781)
> at org.apache.carbondata.core.util.CarbonUtil.copyCarbonDataFileToCarbonStorePath(CarbonUtil.java:2746)
> ... 13 more
> problem: When two load is happening concurrently, one load is cleaning the temp directory of the concurrent load
> cause: temp directory to store the carbon files is created using system.get nano time, due to this two load have same store location. when one load is completed, it cleaned the temp directory. causing dataload failure for other load.
> solution:
> use UUID instead of nano time while creating the temp directory to have each load a unique directory.

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