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https://issues.apache.org/jira/browse/HADOOP-15850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16656940#comment-16656940
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Hadoop QA commented on HADOOP-15850:
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 14m
40s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m
0s{color} | {color:green} The patch appears to include 1 new or modified test
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 22m
44s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
32s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
23s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
37s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
13m 41s{color} | {color:green} branch has no errors when building and testing
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m
46s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
27s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
30s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
25s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
25s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
16s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
29s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
14m 35s{color} | {color:green} patch has no errors when building and testing
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m
46s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
20s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 15m
2s{color} | {color:green} hadoop-distcp in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 1m
12s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 88m 2s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:4b8c2b1 |
| JIRA Issue | HADOOP-15850 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12944725/HADOOP-15850.v6.patch
|
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient findbugs checkstyle |
| uname | Linux 88e430ae2252 3.13.0-143-generic #192-Ubuntu SMP Tue Feb 27
10:45:36 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 9bd1832 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_181 |
| findbugs | v3.1.0-RC1 |
| Test Results |
https://builds.apache.org/job/PreCommit-HADOOP-Build/15398/testReport/ |
| Max. process+thread count | 335 (vs. ulimit of 10000) |
| modules | C: hadoop-tools/hadoop-distcp U: hadoop-tools/hadoop-distcp |
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/15398/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> CopyCommitter#concatFileChunks should check that the blocks per chunk is not 0
> ------------------------------------------------------------------------------
>
> Key: HADOOP-15850
> URL: https://issues.apache.org/jira/browse/HADOOP-15850
> Project: Hadoop Common
> Issue Type: Bug
> Components: tools/distcp
> Affects Versions: 3.1.1
> Reporter: Ted Yu
> Assignee: Ted Yu
> Priority: Major
> Attachments: HADOOP-15850.v2.patch, HADOOP-15850.v3.patch,
> HADOOP-15850.v4.patch, HADOOP-15850.v5.patch, HADOOP-15850.v6.patch,
> testIncrementalBackupWithBulkLoad-output.txt
>
>
> I was investigating test failure of TestIncrementalBackupWithBulkLoad from
> hbase against hadoop 3.1.1
> hbase MapReduceBackupCopyJob$BackupDistCp would create listing file:
> {code}
> LOG.debug("creating input listing " + listing + " , totalRecords=" +
> totalRecords);
> cfg.set(DistCpConstants.CONF_LABEL_LISTING_FILE_PATH, listing);
> cfg.setLong(DistCpConstants.CONF_LABEL_TOTAL_NUMBER_OF_RECORDS,
> totalRecords);
> {code}
> For the test case, two bulk loaded hfiles are in the listing:
> {code}
> 2018-10-13 14:09:24,123 DEBUG [Time-limited test]
> mapreduce.MapReduceBackupCopyJob$BackupDistCp(195): BackupDistCp :
> hdfs://localhost:42796/user/hbase/test-data/160aeab5-6bca-9f87-465e-2517a0c43119/data/default/test-1539439707496/96b5a3613d52f4df1ba87a1cef20684c/f/394e6d39a9b94b148b9089c4fb967aad_SeqId_205_
> 2018-10-13 14:09:24,125 DEBUG [Time-limited test]
> mapreduce.MapReduceBackupCopyJob$BackupDistCp(195): BackupDistCp :
> hdfs://localhost:42796/user/hbase/test-data/160aeab5-6bca-9f87-465e-2517a0c43119/data/default/test-1539439707496/96b5a3613d52f4df1ba87a1cef20684c/f/a7599081e835440eb7bf0dd3ef4fd7a5_SeqId_205_
> 2018-10-13 14:09:24,125 DEBUG [Time-limited test]
> mapreduce.MapReduceBackupCopyJob$BackupDistCp(197): BackupDistCp execute for
> 2 files of 10242
> {code}
> Later on, CopyCommitter#concatFileChunks would throw the following exception:
> {code}
> 2018-10-13 14:09:25,351 WARN [Thread-936] mapred.LocalJobRunner$Job(590):
> job_local1795473782_0004
> java.io.IOException: Inconsistent sequence file: current chunk file
> org.apache.hadoop.tools.CopyListingFileStatus@bb8826ee{hdfs://localhost:42796/user/hbase/test-data/
>
> 160aeab5-6bca-9f87-465e-2517a0c43119/data/default/test-1539439707496/96b5a3613d52f4df1ba87a1cef20684c/f/a7599081e835440eb7bf0dd3ef4fd7a5_SeqId_205_
> length = 5100 aclEntries = null, xAttrs = null} doesnt match prior entry
> org.apache.hadoop.tools.CopyListingFileStatus@243d544d{hdfs://localhost:42796/user/hbase/test-data/160aeab5-6bca-9f87-465e-
>
> 2517a0c43119/data/default/test-1539439707496/96b5a3613d52f4df1ba87a1cef20684c/f/394e6d39a9b94b148b9089c4fb967aad_SeqId_205_
> length = 5142 aclEntries = null, xAttrs = null}
> at
> org.apache.hadoop.tools.mapred.CopyCommitter.concatFileChunks(CopyCommitter.java:276)
> at
> org.apache.hadoop.tools.mapred.CopyCommitter.commitJob(CopyCommitter.java:100)
> at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:567)
> {code}
> The above warning shouldn't happen - the two bulk loaded hfiles are
> independent.
> From the contents of the two CopyListingFileStatus instances, we can see that
> their isSplit() return false. Otherwise the following from toString should be
> logged:
> {code}
> if (isSplit()) {
> sb.append(", chunkOffset = ").append(this.getChunkOffset());
> sb.append(", chunkLength = ").append(this.getChunkLength());
> }
> {code}
> From hbase side, we can specify one bulk loaded hfile per job but that
> defeats the purpose of using DistCp.
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