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https://issues.apache.org/jira/browse/CARBONDATA-3490?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16903874#comment-16903874
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Ajantha Bhat commented on CARBONDATA-3490:
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2019-08-09 11:17:35 ERROR CarbonDataProcessorUtil:100 - Successfully created
dir: /tmp/carbon865982118689228_1
2019-08-09 11:17:35 ERROR CarbonDataProcessorUtil:98 - Error occurs while
creating dir: /tmp/carbon865982118689228_1
2019-08-09 11:17:35 ERROR CarbonDataProcessorUtil:100 - Successfully created
dir: /tmp/carbon865982118689228_1/Fact/Part0/Segment_7/1/sortrowtmp
2019-08-09 11:17:35 ERROR CarbonDataProcessorUtil:100 - Successfully created
dir: /tmp/carbon865982118689228_1/Fact/Part0/Segment_6/1/sortrowtmp
2019-08-09 11:17:35 ERROR CarbonUtil:2778 - is path
/tmp/carbon865982118689228_1/Fact/Part0/Segment_7/1/part-0-1_batchno0-0-7-1565329654844.carbondata
exist ? true
2019-08-09 11:17:35 ERROR CarbonUtil:2778 - is path
/tmp/carbon865982118689228_1/Fact/Part0/Segment_7/1/1_batchno0-0-7-1565329654844.carbonindex
exist ? true
2019-08-09 11:17:35 ERROR CarbonDataProcessorUtil:100 - Successfully created
dir: /tmp/carbon865982289454230_1
2019-08-09 11:17:35 ERROR CarbonUtil:2778 - is path
/tmp/carbon865982118689228_1/Fact/Part0/Segment_6/1/part-0-1_batchno0-0-6-1565329654844.carbondata
exist ? false
2019-08-09 11:17:35 ERROR CarbonFactDataWriterImplV3:396 - Problem while
writing the index file
org.apache.carbondata.core.datastore.exception.CarbonDataWriterException:
Problem while copying file from local store to carbon store
> 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
>
> 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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