[jira] [Commented] (HADOOP-15836) Review of AccessControlList.java
[
https://issues.apache.org/jira/browse/HADOOP-15836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16657407#comment-16657407
]
Íñigo Goiri commented on HADOOP-15836:
--
+1 on [^HADOOP-15836.1.patch].
> Review of AccessControlList.java
>
>
> Key: HADOOP-15836
> URL: https://issues.apache.org/jira/browse/HADOOP-15836
> Project: Hadoop Common
> Issue Type: Improvement
> Components: common, security
>Affects Versions: 3.2.0
>Reporter: BELUGA BEHR
>Assignee: BELUGA BEHR
>Priority: Minor
> Attachments: HADOOP-15836.1.patch
>
>
> * Improve unit tests (expected / actual were backwards)
> * Unit test expected elements to be in order but the class's return
> Collections were unordered
> * Formatting cleanup
> * Removed superfluous white space
> * Remove use of LinkedList
> * Removed superfluous code
> * Use {{unmodifiable}} Collections where JavaDoc states that caller must not
> manipulate the data structure
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[jira] [Commented] (HADOOP-15836) Review of AccessControlList.java
[
https://issues.apache.org/jira/browse/HADOOP-15836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16657350#comment-16657350
]
BELUGA BEHR commented on HADOOP-15836:
--
I though about this previously. This information can be read from a config
file and loaded into a {{HashSet}} (as is currently implemented). If the
software needed to spit out the user/group names back to the screen, or back to
a file, the ordering of the output would almost certainly not be the same as
the input (just depends on how the stuff is ordered in the {{HashMap}}). So as
things stand, the software will most likely not build the output in the same
order as the input. Therefore, it appears that there is no constraints on how
the stuff is ordered. If we care about the output matching the input exactly,
that should be a new ticket. Since the order doesn't matter, I think it might
be more pleasant to a human operator if the list is ordered alphabetically.
> Review of AccessControlList.java
>
>
> Key: HADOOP-15836
> URL: https://issues.apache.org/jira/browse/HADOOP-15836
> Project: Hadoop Common
> Issue Type: Improvement
> Components: common, security
>Affects Versions: 3.2.0
>Reporter: BELUGA BEHR
>Assignee: BELUGA BEHR
>Priority: Minor
> Attachments: HADOOP-15836.1.patch
>
>
> * Improve unit tests (expected / actual were backwards)
> * Unit test expected elements to be in order but the class's return
> Collections were unordered
> * Formatting cleanup
> * Removed superfluous white space
> * Remove use of LinkedList
> * Removed superfluous code
> * Use {{unmodifiable}} Collections where JavaDoc states that caller must not
> manipulate the data structure
--
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[jira] [Commented] (HADOOP-15836) Review of AccessControlList.java
[
https://issues.apache.org/jira/browse/HADOOP-15836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16657332#comment-16657332
]
Íñigo Goiri commented on HADOOP-15836:
--
I've seen dependencies on the order of the hashes in unit tests before; not fun
to find.
I think that switching to an ordered tree is reasonable for this purpose.
Another option would be to keep the HashSet and making the unit test not check
for a particular order.
Up to you.
> Review of AccessControlList.java
>
>
> Key: HADOOP-15836
> URL: https://issues.apache.org/jira/browse/HADOOP-15836
> Project: Hadoop Common
> Issue Type: Improvement
> Components: common, security
>Affects Versions: 3.2.0
>Reporter: BELUGA BEHR
>Assignee: BELUGA BEHR
>Priority: Minor
> Attachments: HADOOP-15836.1.patch
>
>
> * Improve unit tests (expected / actual were backwards)
> * Unit test expected elements to be in order but the class's return
> Collections were unordered
> * Formatting cleanup
> * Removed superfluous white space
> * Remove use of LinkedList
> * Removed superfluous code
> * Use {{unmodifiable}} Collections where JavaDoc states that caller must not
> manipulate the data structure
--
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[jira] [Commented] (HADOOP-15836) Review of AccessControlList.java
[
https://issues.apache.org/jira/browse/HADOOP-15836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16657309#comment-16657309
]
BELUGA BEHR commented on HADOOP-15836:
--
... the {{TreeSet}} enforces the user and group names to be ordered
alphabetically, I also changed the unit tests to verify that they are arranged
alphabetically.
> Review of AccessControlList.java
>
>
> Key: HADOOP-15836
> URL: https://issues.apache.org/jira/browse/HADOOP-15836
> Project: Hadoop Common
> Issue Type: Improvement
> Components: common, security
>Affects Versions: 3.2.0
>Reporter: BELUGA BEHR
>Assignee: BELUGA BEHR
>Priority: Minor
> Attachments: HADOOP-15836.1.patch
>
>
> * Improve unit tests (expected / actual were backwards)
> * Unit test expected elements to be in order but the class's return
> Collections were unordered
> * Formatting cleanup
> * Removed superfluous white space
> * Remove use of LinkedList
> * Removed superfluous code
> * Use {{unmodifiable}} Collections where JavaDoc states that caller must not
> manipulate the data structure
--
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[jira] [Commented] (HADOOP-15836) Review of AccessControlList.java
[
https://issues.apache.org/jira/browse/HADOOP-15836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16657307#comment-16657307
]
BELUGA BEHR commented on HADOOP-15836:
--
[~elgoiri] Good eyes. All things equal, I'd prefer a {{HashSet}}, however, the
unit tests are written in such a way that they care about the order of the user
and group names. The unit tests are written in such a way that they just so
happen to pass given today's implementation of a {{HashSet}} in the JDK.
However, these assumptions on order makes the tests very brittle and would
possibly fail with a JDK upgrade in which the order was changed based on a
change in the HashSet implementation. Since the unit tests are expecting a
certain order to be enforced, I used a {{TreeSet}} which keeps the keys in
order explicitly, no matter future changes to the JDK.
> Review of AccessControlList.java
>
>
> Key: HADOOP-15836
> URL: https://issues.apache.org/jira/browse/HADOOP-15836
> Project: Hadoop Common
> Issue Type: Improvement
> Components: common, security
>Affects Versions: 3.2.0
>Reporter: BELUGA BEHR
>Assignee: BELUGA BEHR
>Priority: Minor
> Attachments: HADOOP-15836.1.patch
>
>
> * Improve unit tests (expected / actual were backwards)
> * Unit test expected elements to be in order but the class's return
> Collections were unordered
> * Formatting cleanup
> * Removed superfluous white space
> * Remove use of LinkedList
> * Removed superfluous code
> * Use {{unmodifiable}} Collections where JavaDoc states that caller must not
> manipulate the data structure
--
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[jira] [Commented] (HADOOP-15836) Review of AccessControlList.java
[
https://issues.apache.org/jira/browse/HADOOP-15836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16657150#comment-16657150
]
Íñigo Goiri commented on HADOOP-15836:
--
These changes are easier to check than the previous ones :)
My only question is the change between HashSet and TreeSet for the groups.
I always thought TreeSets made more sense for Strings but never checked
carefully.
Do you have any reference?
> Review of AccessControlList.java
>
>
> Key: HADOOP-15836
> URL: https://issues.apache.org/jira/browse/HADOOP-15836
> Project: Hadoop Common
> Issue Type: Improvement
> Components: common, security
>Affects Versions: 3.2.0
>Reporter: BELUGA BEHR
>Assignee: BELUGA BEHR
>Priority: Minor
> Attachments: HADOOP-15836.1.patch
>
>
> * Improve unit tests (expected / actual were backwards)
> * Unit test expected elements to be in order but the class's return
> Collections were unordered
> * Formatting cleanup
> * Removed superfluous white space
> * Remove use of LinkedList
> * Removed superfluous code
> * Use {{unmodifiable}} Collections where JavaDoc states that caller must not
> manipulate the data structure
--
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[jira] [Commented] (HADOOP-15836) Review of AccessControlList.java
[
https://issues.apache.org/jira/browse/HADOOP-15836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16656912#comment-16656912
]
BELUGA BEHR commented on HADOOP-15836:
--
[~elgoiri] You see what happens when you are too kind? :) Can you please take
a look at this one also?
> Review of AccessControlList.java
>
>
> Key: HADOOP-15836
> URL: https://issues.apache.org/jira/browse/HADOOP-15836
> Project: Hadoop Common
> Issue Type: Improvement
> Components: common, security
>Affects Versions: 3.2.0
>Reporter: BELUGA BEHR
>Assignee: BELUGA BEHR
>Priority: Minor
> Attachments: HADOOP-15836.1.patch
>
>
> * Improve unit tests (expected / actual were backwards)
> * Unit test expected elements to be in order but the class's return
> Collections were unordered
> * Formatting cleanup
> * Removed superfluous white space
> * Remove use of LinkedList
> * Removed superfluous code
> * Use {{unmodifiable}} Collections where JavaDoc states that caller must not
> manipulate the data structure
--
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[jira] [Commented] (HADOOP-15836) Review of AccessControlList.java
[
https://issues.apache.org/jira/browse/HADOOP-15836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16644126#comment-16644126
]
Hadoop QA commented on HADOOP-15836:
| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
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|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
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0s{color} | {color:green} The patch appears to include 1 new or modified test
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|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 20m
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| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
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| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
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| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
3s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
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| {color:green}+1{color} | {color:green} compile {color} | {color:green} 15m
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| {color:green}+1{color} | {color:green} javac {color} | {color:green} 15m
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| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
52s{color} | {color:green} hadoop-common-project/hadoop-common: The patch
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| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
9s{color} | {color:green} the patch passed {color} |
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0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}
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1s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 8m
43s{color} | {color:green} hadoop-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
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{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 98m 6s{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-15836 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12943092/HADOOP-15836.1.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall
mvnsite unit shadedclient findbugs checkstyle |
| uname | Linux 7163153b59a1 3.13.0-153-generic #203-Ubuntu SMP Thu Jun 14
08:52:28 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / bf04f19 |
| 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/15332/testReport/ |
| Max. process+thread count | 1362 (vs. ulimit of 1) |
| modules | C: hadoop-common-project/hadoop-common U:
hadoop-common-project/hadoop-common |
| Console output |
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>
