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https://issues.apache.org/jira/browse/HIVE-20338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16594472#comment-16594472
 ] 

Hive QA commented on HIVE-20338:
--------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {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:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
38s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  8m 
10s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
45s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
12s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
33s{color} | {color:blue} common in master has 64 extant Findbugs warnings. 
{color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
45s{color} | {color:blue} llap-server in master has 84 extant Findbugs 
warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  4m  
9s{color} | {color:blue} ql in master has 2310 extant Findbugs warnings. 
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
27s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m  
9s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 
21s{color} | {color:red} llap-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
47s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 
47s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
42s{color} | {color:red} ql: The patch generated 2 new + 199 unchanged - 0 
fixed = 201 total (was 199) {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} findbugs {color} | {color:green}  5m 
43s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
27s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
14s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 32m 12s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Optional Tests |  asflicense  javac  javadoc  findbugs  checkstyle  compile  |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 
3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-13497/dev-support/hive-personality.sh
 |
| git revision | master / acc6fa2 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| mvninstall | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-13497/yetus/patch-mvninstall-llap-server.txt
 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-13497/yetus/diff-checkstyle-ql.txt
 |
| modules | C: common llap-server ql U: . |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-13497/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> LLAP: Force synthetic file-id for filesystems which have HDFS protocol impls 
> with POSIX mutation semantics
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-20338
>                 URL: https://issues.apache.org/jira/browse/HIVE-20338
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Gopal V
>            Assignee: Gopal V
>            Priority: Major
>         Attachments: HIVE-20338.1.patch, HIVE-20338.WIP.patch, 
> HIVE-20338.patch
>
>
> HDFS client protocol is not a guarantee of the immutability of files - the 
> synthetic file-id includes the mtime of the file as well, which is a 
> fail-safe for filesystems which implement the client wire protocol without 
> offering the same storage side restrictions on immutability (i.e allow NFS 
> read-write-modify on the backend).



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