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https://issues.apache.org/jira/browse/HADOOP-15229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16736240#comment-16736240
 ] 

Hadoop QA commented on HADOOP-15229:
------------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 
14s{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 24 new or modified test 
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
20s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 20m 
12s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 14m 
50s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  3m 
37s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  5m 
17s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
21m 55s{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}  8m 
19s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  3m 
49s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
20s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  4m 
 7s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 14m 
14s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 14m 
14s{color} | {color:green} root generated 0 new + 1487 unchanged - 2 fixed = 
1487 total (was 1489) {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
3m 38s{color} | {color:orange} root: The patch generated 16 new + 1094 
unchanged - 3 fixed = 1110 total (was 1097) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  5m 
18s{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} xml {color} | {color:green}  0m  
3s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
12m 24s{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}  9m 
10s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  3m 
49s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  7m 55s{color} 
| {color:red} hadoop-common in the patch failed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  1m 
48s{color} | {color:green} hadoop-hdfs-client in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 76m 20s{color} 
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  4m 
37s{color} | {color:green} hadoop-mapreduce-client-core in the patch passed. 
{color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  6m 22s{color} 
| {color:red} hadoop-streaming in the patch failed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  4m 
36s{color} | {color:green} hadoop-aws in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
46s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}228m 36s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.security.ssl.TestSSLFactory |
|   | hadoop.hdfs.web.TestWebHdfsTimeouts |
|   | hadoop.streaming.TestMultipleArchiveFiles |
|   | hadoop.streaming.TestFileArgs |
|   | hadoop.streaming.TestSymLink |
|   | hadoop.streaming.TestMultipleCachefiles |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:8f97d6f |
| JIRA Issue | HADOOP-15229 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12954020/HADOOP-15229-018.patch
 |
| Optional Tests |  dupname  asflicense  compile  javac  javadoc  mvninstall  
mvnsite  unit  shadedclient  findbugs  checkstyle  xml  |
| uname | Linux e45a1a29b52f 4.4.0-134-generic #160~14.04.1-Ubuntu SMP Fri Aug 
17 11:07:07 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / d715233 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_191 |
| findbugs | v3.1.0-RC1 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/15740/artifact/out/diff-checkstyle-root.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/15740/artifact/out/patch-unit-hadoop-common-project_hadoop-common.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/15740/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/15740/artifact/out/patch-unit-hadoop-tools_hadoop-streaming.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/15740/testReport/ |
| Max. process+thread count | 3424 (vs. ulimit of 10000) |
| modules | C: hadoop-common-project/hadoop-common 
hadoop-hdfs-project/hadoop-hdfs-client hadoop-hdfs-project/hadoop-hdfs 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core 
hadoop-tools/hadoop-streaming hadoop-tools/hadoop-aws U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/15740/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> Add FileSystem builder-based openFile() API to match createFile() + S3 Select
> -----------------------------------------------------------------------------
>
>                 Key: HADOOP-15229
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15229
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: fs, fs/azure, fs/s3
>    Affects Versions: 3.2.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Major
>         Attachments: HADOOP-15229-001.patch, HADOOP-15229-002.patch, 
> HADOOP-15229-003.patch, HADOOP-15229-004.patch, HADOOP-15229-004.patch, 
> HADOOP-15229-005.patch, HADOOP-15229-006.patch, HADOOP-15229-007.patch, 
> HADOOP-15229-009.patch, HADOOP-15229-010.patch, HADOOP-15229-011.patch, 
> HADOOP-15229-012.patch, HADOOP-15229-013.patch, HADOOP-15229-014.patch, 
> HADOOP-15229-015.patch, HADOOP-15229-016.patch, HADOOP-15229-017.patch, 
> HADOOP-15229-018.patch
>
>
> Replicate HDFS-1170 and HADOOP-14365 with an API to open files.
> A key requirement of this is not HDFS, it's to put in the fadvise policy for 
> working with object stores, where getting the decision to do a full GET and 
> TCP abort on seek vs smaller GETs is fundamentally different: the wrong 
> option can cost you minutes. S3A and Azure both have adaptive policies now 
> (first backward seek), but they still don't do it that well.
> Columnar formats (ORC, Parquet) should be able to say "fs.input.fadvise" 
> "random" as an option when they open files; I can imagine other options too.
> The Builder model of [~eddyxu] is the one to mimic, method for method. 
> Ideally with as much code reuse as possible



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