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https://issues.apache.org/jira/browse/HADOOP-14943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16256020#comment-16256020
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Hadoop QA commented on HADOOP-14943:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  9m 
58s{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 2 new or modified test 
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
17s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  5m  
4s{color} | {color:red} root in trunk failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
15s{color} | {color:red} root in trunk failed. {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  2m 
 1s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
46s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
14m 22s{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}  2m 
22s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
18s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
16s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
33s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 12m 
13s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 12m 13s{color} 
| {color:red} root generated 1234 new + 0 unchanged - 0 fixed = 1234 total (was 
0) {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
2m  1s{color} | {color:orange} root: The patch generated 3 new + 42 unchanged - 
0 fixed = 45 total (was 42) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  2m  
7s{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}  
9m 50s{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}  3m  
2s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
40s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  7m 
44s{color} | {color:green} hadoop-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 
50s{color} | {color:green} hadoop-aws in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  1m  
9s{color} | {color:green} hadoop-azure in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
33s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 83m 44s{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:5b98639 |
| JIRA Issue | HADOOP-14943 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12898050/HADOOP-14943-002.patch
 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  shadedclient  findbugs  checkstyle  |
| uname | Linux 73527ce6c5e5 3.13.0-129-generic #178-Ubuntu SMP Fri Aug 11 
12:48:20 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 0987a7b |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_151 |
| mvninstall | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/13702/artifact/out/branch-mvninstall-root.txt
 |
| compile | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/13702/artifact/out/branch-compile-root.txt
 |
| findbugs | v3.1.0-RC1 |
| javac | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/13702/artifact/out/diff-compile-javac-root.txt
 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/13702/artifact/out/diff-checkstyle-root.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/13702/testReport/ |
| Max. process+thread count | 1467 (vs. ulimit of 5000) |
| modules | C: hadoop-common-project/hadoop-common hadoop-tools/hadoop-aws 
hadoop-tools/hadoop-azure U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/13702/console |
| Powered by | Apache Yetus 0.7.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Add common getFileBlockLocations() emulation for object stores, including S3A
> -----------------------------------------------------------------------------
>
>                 Key: HADOOP-14943
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14943
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 2.8.1
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Critical
>         Attachments: HADOOP-14943-001.patch, HADOOP-14943-002.patch
>
>
> It looks suspiciously like S3A isn't providing the partitioning data needed 
> in {{listLocatedStatus}} and {{getFileBlockLocations()}} needed to break up a 
> file by the blocksize. This will stop tools using the MRv1 APIS doing the 
> partitioning properly if the input format isn't doing it own split logic.
> FileInputFormat in MRv2 is a bit more configurable about input split 
> calculation & will split up large files. but otherwise, the partitioning is 
> being done more by the default values of the executing engine, rather than 
> any config data from the filesystem about what its "block size" is,
> NativeAzureFS does a better job; maybe that could be factored out to 
> hadoop-common and reused?



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