[jira] [Commented] (PARQUET-2107) Travis failures

2021-12-07 Thread ASF GitHub Bot (Jira)


[ 
https://issues.apache.org/jira/browse/PARQUET-2107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17454848#comment-17454848
 ] 

ASF GitHub Bot commented on PARQUET-2107:
-

shangxinli merged pull request #941:
URL: https://github.com/apache/parquet-mr/pull/941


   


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> Travis failures
> ---
>
> Key: PARQUET-2107
> URL: https://issues.apache.org/jira/browse/PARQUET-2107
> Project: Parquet
>  Issue Type: Bug
>Reporter: Gabor Szadovszky
>Assignee: Gabor Szadovszky
>Priority: Major
>
> There are Travis failures since a while in our PRs. See e.g. 
> https://app.travis-ci.com/github/apache/parquet-mr/jobs/550598285 or 
> https://app.travis-ci.com/github/apache/parquet-mr/jobs/550598286



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[GitHub] [parquet-mr] shangxinli merged pull request #941: PARQUET-2107: Fix Travis failures

2021-12-07 Thread GitBox


shangxinli merged pull request #941:
URL: https://github.com/apache/parquet-mr/pull/941


   


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[jira] [Commented] (PARQUET-2107) Travis failures

2021-12-07 Thread ASF GitHub Bot (Jira)


[ 
https://issues.apache.org/jira/browse/PARQUET-2107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17454846#comment-17454846
 ] 

ASF GitHub Bot commented on PARQUET-2107:
-

shangxinli commented on pull request #941:
URL: https://github.com/apache/parquet-mr/pull/941#issuecomment-988262215


   This great help @gszadovszky @martin-g! Thanks a lot! 
   
   


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> Travis failures
> ---
>
> Key: PARQUET-2107
> URL: https://issues.apache.org/jira/browse/PARQUET-2107
> Project: Parquet
>  Issue Type: Bug
>Reporter: Gabor Szadovszky
>Assignee: Gabor Szadovszky
>Priority: Major
>
> There are Travis failures since a while in our PRs. See e.g. 
> https://app.travis-ci.com/github/apache/parquet-mr/jobs/550598285 or 
> https://app.travis-ci.com/github/apache/parquet-mr/jobs/550598286



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[GitHub] [parquet-mr] shangxinli commented on pull request #941: PARQUET-2107: Fix Travis failures

2021-12-07 Thread GitBox


shangxinli commented on pull request #941:
URL: https://github.com/apache/parquet-mr/pull/941#issuecomment-988262215


   This great help @gszadovszky @martin-g! Thanks a lot! 
   
   


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[jira] [Commented] (PARQUET-2106) BinaryComparator should avoid doing ByteBuffer.wrap in the hot-path

2021-12-07 Thread ASF GitHub Bot (Jira)


[ 
https://issues.apache.org/jira/browse/PARQUET-2106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17454805#comment-17454805
 ] 

ASF GitHub Bot commented on PARQUET-2106:
-

alexeykudinkin commented on pull request #940:
URL: https://github.com/apache/parquet-mr/pull/940#issuecomment-988196165


   @gszadovszky good points, will address.


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> BinaryComparator should avoid doing ByteBuffer.wrap in the hot-path
> ---
>
> Key: PARQUET-2106
> URL: https://issues.apache.org/jira/browse/PARQUET-2106
> Project: Parquet
>  Issue Type: Task
>  Components: parquet-mr
>Affects Versions: 1.12.2
>Reporter: Alexey Kudinkin
>Priority: Major
> Attachments: Screen Shot 2021-12-03 at 3.26.31 PM.png, 
> profile_48449_alloc_1638494450_sort_by.html
>
>
> *Background*
> While writing out large Parquet tables using Spark, we've noticed that 
> BinaryComparator is the source of substantial churn of extremely short-lived 
> `HeapByteBuffer` objects – It's taking up to *16%* of total amount of 
> allocations in our benchmarks, putting substantial pressure on a Garbage 
> Collector:
> !Screen Shot 2021-12-03 at 3.26.31 PM.png|width=828,height=521!
> [^profile_48449_alloc_1638494450_sort_by.html]
>  
> *Proposal*
> We're proposing to adjust lexicographical comparison (at least) to avoid 
> doing any allocations, since this code lies on the hot-path of every Parquet 
> write, therefore causing substantial churn amplification.
>  
>  
>  



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[GitHub] [parquet-mr] alexeykudinkin commented on pull request #940: [PARQUET-2106] Refactoring lexicographic `BinaryComparator` to avoid `ByteBuffer.wrap` in the hot-path

2021-12-07 Thread GitBox


alexeykudinkin commented on pull request #940:
URL: https://github.com/apache/parquet-mr/pull/940#issuecomment-988196165


   @gszadovszky good points, will address.


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[jira] [Commented] (PARQUET-2107) Travis failures

2021-12-07 Thread ASF GitHub Bot (Jira)


[ 
https://issues.apache.org/jira/browse/PARQUET-2107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17454686#comment-17454686
 ] 

ASF GitHub Bot commented on PARQUET-2107:
-

gszadovszky commented on pull request #941:
URL: https://github.com/apache/parquet-mr/pull/941#issuecomment-987987814


   It seems it solved the issues. @shangxinli, could you please check it out?


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> Travis failures
> ---
>
> Key: PARQUET-2107
> URL: https://issues.apache.org/jira/browse/PARQUET-2107
> Project: Parquet
>  Issue Type: Bug
>Reporter: Gabor Szadovszky
>Assignee: Gabor Szadovszky
>Priority: Major
>
> There are Travis failures since a while in our PRs. See e.g. 
> https://app.travis-ci.com/github/apache/parquet-mr/jobs/550598285 or 
> https://app.travis-ci.com/github/apache/parquet-mr/jobs/550598286



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[GitHub] [parquet-mr] gszadovszky commented on pull request #941: PARQUET-2107: Fix Travis failures

2021-12-07 Thread GitBox


gszadovszky commented on pull request #941:
URL: https://github.com/apache/parquet-mr/pull/941#issuecomment-987987814


   It seems it solved the issues. @shangxinli, could you please check it out?


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[GitHub] [parquet-mr] gszadovszky commented on a change in pull request #941: PARQUET-2107: Fix Travis failures

2021-12-07 Thread GitBox


gszadovszky commented on a change in pull request #941:
URL: https://github.com/apache/parquet-mr/pull/941#discussion_r763839330



##
File path: .travis.yml
##
@@ -18,6 +18,7 @@
 # TravisCI is being used as an alternative to GitHub Actions until
 # the latter provides support for ARM64 CPU architecture (PARQUET-1980)
 
+dist: focal
 distro: bionic

Review comment:
   Thanks, @martin-g. I didn't realize that `dist` is for distro. :)




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[jira] [Commented] (PARQUET-2107) Travis failures

2021-12-07 Thread ASF GitHub Bot (Jira)


[ 
https://issues.apache.org/jira/browse/PARQUET-2107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17454529#comment-17454529
 ] 

ASF GitHub Bot commented on PARQUET-2107:
-

martin-g commented on a change in pull request #941:
URL: https://github.com/apache/parquet-mr/pull/941#discussion_r763834170



##
File path: .travis.yml
##
@@ -18,6 +18,7 @@
 # TravisCI is being used as an alternative to GitHub Actions until
 # the latter provides support for ARM64 CPU architecture (PARQUET-1980)
 
+dist: focal
 distro: bionic

Review comment:
   Sorry, I didn't notice it earlier - you need to remove `distro: bionic`. 
   `distro` is a typo anyway, so it was falling back to the default (`bionic`) 
until now.




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> Travis failures
> ---
>
> Key: PARQUET-2107
> URL: https://issues.apache.org/jira/browse/PARQUET-2107
> Project: Parquet
>  Issue Type: Bug
>Reporter: Gabor Szadovszky
>Assignee: Gabor Szadovszky
>Priority: Major
>
> There are Travis failures since a while in our PRs. See e.g. 
> https://app.travis-ci.com/github/apache/parquet-mr/jobs/550598285 or 
> https://app.travis-ci.com/github/apache/parquet-mr/jobs/550598286



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[GitHub] [parquet-mr] martin-g commented on a change in pull request #941: PARQUET-2107: Fix Travis failures

2021-12-07 Thread GitBox


martin-g commented on a change in pull request #941:
URL: https://github.com/apache/parquet-mr/pull/941#discussion_r763834170



##
File path: .travis.yml
##
@@ -18,6 +18,7 @@
 # TravisCI is being used as an alternative to GitHub Actions until
 # the latter provides support for ARM64 CPU architecture (PARQUET-1980)
 
+dist: focal
 distro: bionic

Review comment:
   Sorry, I didn't notice it earlier - you need to remove `distro: bionic`. 
   `distro` is a typo anyway, so it was falling back to the default (`bionic`) 
until now.




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[jira] [Commented] (PARQUET-2107) Travis failures

2021-12-07 Thread ASF GitHub Bot (Jira)


[ 
https://issues.apache.org/jira/browse/PARQUET-2107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17454522#comment-17454522
 ] 

ASF GitHub Bot commented on PARQUET-2107:
-

gszadovszky opened a new pull request #941:
URL: https://github.com/apache/parquet-mr/pull/941


   Make sure you have checked _all_ steps below.
   
   ### Jira
   
   - [ ] My PR addresses the following [Parquet 
Jira](https://issues.apache.org/jira/browse/PARQUET/) issues and references 
them in the PR title. For example, "PARQUET-1234: My Parquet PR"
 - https://issues.apache.org/jira/browse/PARQUET-XXX
 - In case you are adding a dependency, check if the license complies with 
the [ASF 3rd Party License 
Policy](https://www.apache.org/legal/resolved.html#category-x).
   
   ### Tests
   
   - [ ] My PR adds the following unit tests __OR__ does not need testing for 
this extremely good reason:
   
   ### Commits
   
   - [ ] My commits all reference Jira issues in their subject lines. In 
addition, my commits follow the guidelines from "[How to write a good git 
commit message](http://chris.beams.io/posts/git-commit/)":
 1. Subject is separated from body by a blank line
 1. Subject is limited to 50 characters (not including Jira issue reference)
 1. Subject does not end with a period
 1. Subject uses the imperative mood ("add", not "adding")
 1. Body wraps at 72 characters
 1. Body explains "what" and "why", not "how"
   
   ### Documentation
   
   - [ ] In case of new functionality, my PR adds documentation that describes 
how to use it.
 - All the public functions and the classes in the PR contain Javadoc that 
explain what it does
   


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> Travis failures
> ---
>
> Key: PARQUET-2107
> URL: https://issues.apache.org/jira/browse/PARQUET-2107
> Project: Parquet
>  Issue Type: Bug
>Reporter: Gabor Szadovszky
>Assignee: Gabor Szadovszky
>Priority: Major
>
> There are Travis failures since a while in our PRs. See e.g. 
> https://app.travis-ci.com/github/apache/parquet-mr/jobs/550598285 or 
> https://app.travis-ci.com/github/apache/parquet-mr/jobs/550598286



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[jira] [Created] (PARQUET-2107) Travis failures

2021-12-07 Thread Gabor Szadovszky (Jira)
Gabor Szadovszky created PARQUET-2107:
-

 Summary: Travis failures
 Key: PARQUET-2107
 URL: https://issues.apache.org/jira/browse/PARQUET-2107
 Project: Parquet
  Issue Type: Bug
Reporter: Gabor Szadovszky
Assignee: Gabor Szadovszky


There are Travis failures since a while in our PRs. See e.g. 
https://app.travis-ci.com/github/apache/parquet-mr/jobs/550598285 or 
https://app.travis-ci.com/github/apache/parquet-mr/jobs/550598286



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[GitHub] [parquet-mr] gszadovszky commented on a change in pull request #940: [PARQUET-2106] Refactoring lexicographic `BinaryComparator` to avoid `ByteBuffer.wrap` in the hot-path

2021-12-07 Thread GitBox


gszadovszky commented on a change in pull request #940:
URL: https://github.com/apache/parquet-mr/pull/940#discussion_r763814302



##
File path: parquet-column/src/main/java/org/apache/parquet/io/api/Binary.java
##
@@ -542,6 +606,10 @@ public static Binary fromCharSequence(CharSequence value) {
 return new FromCharSequenceBinary(value);
   }
 
+  public static int compareToLexicographic(Binary one, Binary other) {

Review comment:
   `compareTo` is usually used when `this` is to be compared to the 
argument. In case of a method comparing the two arguments to each other 
`compare` is preferred. 
   I think, either `lexicographicCompare` or `compareLexicographically` would 
be better than the current one.
   
   The naming of the package private methods that really compares `this` to the 
argument is less important to me but still, something like 
`lexicographicCompareTo` or `compareToLexicographically` would be better.




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