[jira] [Created] (HDDS-1121) Key read failure when data is written parallel in to Ozone

["Bharat Viswanadham (JIRA)" <ji...@apache.org>]

Bharat Viswanadham created HDDS-1121:
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             Summary: Key read failure when data is written parallel in to Ozone
                 Key: HDDS-1121
                 URL: https://issues.apache.org/jira/browse/HDDS-1121
             Project: Hadoop Distributed Data Store
          Issue Type: Bug
            Reporter: Bharat Viswanadham
            Assignee: Bharat Viswanadham


When hive is run with multiple threads for data ingestion to ozone. After ingestion is done, during read we see this below error.

This issue is found during hive testing.
{code:java}
caused by: org.apache.hadoop.ozone.common.OzoneChecksumException: Checksum mismatch at index 0
 at org.apache.hadoop.ozone.common.ChecksumData.verifyChecksumDataMatches(ChecksumData.java:143)
 at org.apache.hadoop.ozone.common.Checksum.verifyChecksum(Checksum.java:239)
 at org.apache.hadoop.ozone.common.Checksum.verifyChecksum(Checksum.java:217)
 at org.apache.hadoop.hdds.scm.storage.BlockInputStream.readChunkFromContainer(BlockInputStream.java:227)
 at org.apache.hadoop.hdds.scm.storage.BlockInputStream.seek(BlockInputStream.java:259)
 at org.apache.hadoop.ozone.client.io.KeyInputStream$ChunkInputStreamEntry.seek(KeyInputStream.java:249)
 at org.apache.hadoop.ozone.client.io.KeyInputStream.seek(KeyInputStream.java:180)
 at org.apache.hadoop.fs.ozone.OzoneFSInputStream.seek(OzoneFSInputStream.java:62)
 at org.apache.hadoop.fs.FSInputStream.read(FSInputStream.java:82)
 at org.apache.hadoop.fs.FSInputStream.readFully(FSInputStream.java:121)
 at org.apache.hadoop.fs.FSDataInputStream.readFully(FSDataInputStream.java:111)
 at org.apache.orc.impl.ReaderImpl.extractFileTail(ReaderImpl.java:555)
 at org.apache.orc.impl.ReaderImpl.<init>(ReaderImpl.java:370)
 at org.apache.hadoop.hive.ql.io.orc.ReaderImpl.<init>(ReaderImpl.java:61)
 at org.apache.hadoop.hive.ql.io.orc.OrcFile.createReader(OrcFile.java:105)
 at org.apache.hadoop.hive.ql.io.orc.OrcInputFormat$SplitGenerator.populateAndCacheStripeDetails(OrcInputFormat.java:1647)
 at org.apache.hadoop.hive.ql.io.orc.OrcInputFormat$SplitGenerator.callInternal(OrcInputFormat.java:1533)
 at org.apache.hadoop.hive.ql.io.orc.OrcInputFormat$SplitGenerator.access$2700(OrcInputFormat.java:1329)
 at org.apache.hadoop.hive.ql.io.orc.OrcInputFormat$SplitGenerator$1.run(OrcInputFormat.java:1513)
 at org.apache.hadoop.hive.ql.io.orc.OrcInputFormat$SplitGenerator$1.run(OrcInputFormat.java:1510)
 at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:422)
 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1688)
 at org.apache.hadoop.hive.ql.io.orc.OrcInputFormat$SplitGenerator.call(OrcInputFormat.java:1510)
 at org.apache.hadoop.hive.ql.io.orc.OrcInputFormat$SplitGenerator.call(OrcInputFormat.java:1329)
 at java.util.concurrent.FutureTask.run(FutureTask.java:266){code}



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