date:20170103

[jira] [Created] (ZEPPELIN-1900) Paragraph's top right area overlap with markdown output

2017-01-03 Thread Jeff Zhang (JIRA)

Jeff Zhang created ZEPPELIN-1900:


 Summary: Paragraph's top right area overlap with markdown output
 Key: ZEPPELIN-1900
 URL: https://issues.apache.org/jira/browse/ZEPPELIN-1900
 Project: Zeppelin
  Issue Type: Bug
Reporter: Jeff Zhang


Please see the screenshot attached. 



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[GitHub] zeppelin pull request #1818: [ZEPPELIN-1873] Use exclusively eslint for java...

2017-01-03 Thread asfgit

Github user asfgit closed the pull request at:

https://github.com/apache/zeppelin/pull/1818


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[GitHub] zeppelin pull request #1824: [ZEPPELIN-1850] Remove grunt-contrib-clean (gru...

2017-01-03 Thread asfgit

Github user asfgit closed the pull request at:

https://github.com/apache/zeppelin/pull/1824


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[GitHub] zeppelin pull request #1823: [ZEPPELIN-1850] Remove strip-loader (webpack)

2017-01-03 Thread asfgit

Github user asfgit closed the pull request at:

https://github.com/apache/zeppelin/pull/1823


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[jira] [Created] (ZEPPELIN-1899) Fail to plot in pyspark interpreter

2017-01-03 Thread Jeff Zhang (JIRA)

Jeff Zhang created ZEPPELIN-1899:


 Summary: Fail to plot in pyspark interpreter
 Key: ZEPPELIN-1899
 URL: https://issues.apache.org/jira/browse/ZEPPELIN-1899
 Project: Zeppelin
  Issue Type: Bug
Affects Versions: 0.7.0
Reporter: Jeff Zhang


Here's 2 paraphrase I use to reproduce this issue, you can also see the 
attachment.

Paragraph_1
{code}
%spark.pyspark

import pandas as pd
import numpy as np
import matplotlib.pyplot as plt

dateparse = lambda dates: pd.datetime.strptime(dates, '%Y-%m')
data = pd.read_csv("/Users/jzhang/AirPassengers.csv", parse_dates='Month', 
index_col='Month', date_parser=dateparse)
print(data.head())
print("\n Data Types:")
print(data.dtypes)
{code}

Paragraph_2
{code}
data.index
ts = data['#Passengers']
plt.plot(ts)
{code}



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[GitHub] zeppelin pull request #1587: [ZEPPELIN-1609] using pyspark(python3) with liv...

2017-01-03 Thread asfgit

Github user asfgit closed the pull request at:

https://github.com/apache/zeppelin/pull/1587


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[jira] [Created] (ZEPPELIN-1898) White spaces in the beginning is stripped in pyspark interpreter

2017-01-03 Thread Jeff Zhang (JIRA)

Jeff Zhang created ZEPPELIN-1898:


 Summary: White spaces in the beginning is stripped in pyspark 
interpreter
 Key: ZEPPELIN-1898
 URL: https://issues.apache.org/jira/browse/ZEPPELIN-1898
 Project: Zeppelin
  Issue Type: Bug
Affects Versions: 0.7.0
Reporter: Jeff Zhang


Here's the code to reproduce this issue. 
{code}
%spark.pyspark

import pandas as pd
import numpy as np
import matplotlib.pyplot as plt

dateparse = lambda dates: pd.datetime.strptime(dates, '%Y-%m')
data = pd.read_csv("/Users/jzhang/AirPassengers.csv", parse_dates='Month', 
index_col='Month', date_parser=dateparse)
print(data.head())
print("\n Data Types:")
print(data.dtypes)
{code}

And attach the screenshot I see in zeppelin and jupyter



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[GitHub] zeppelin pull request #1787: ZEPPELIN-1815. Support Spark 2.1

2017-01-03 Thread asfgit

Github user asfgit closed the pull request at:

https://github.com/apache/zeppelin/pull/1787


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[GitHub] zeppelin issue #1758: [ZEPPELIN-1787] Add an example of Flink Notebook

2017-01-03 Thread AhyoungRyu

Github user AhyoungRyu commented on the issue:

https://github.com/apache/zeppelin/pull/1758
  
@AlexanderShoshin Seems the below two things need to be done before merge  
1. revert the last commit 
[9013620](https://github.com/apache/zeppelin/pull/1758/commits/9013620e1c835c66a849467e1ea15d43fa2a7782)

You can simply do it in your local by
```
please make sure you are on branch ZEPPELIN-1787 first 
$ git checkout ZEPPELIN-1787

and check the last commit is "convert notebook to 0.6.2 format" or not
$ git log 

if so,
$ git reset HEAD^ --hard 

check again it's converted well, it should be pointing this commit: "add 
download instruction, change "wget" to "curl""
$ git log

push with forced updated! 
$ git push origin -f ZEPPELIN-1787
```

2. add Flink docs link to the tutorial as @rawkintrevo said. 

Please feel free to ping me if you need any help! 


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[GitHub] zeppelin pull request #1820: [ZEPPELIN-1841] Some of shortcut key is not wor...

2017-01-03 Thread asfgit

Github user asfgit closed the pull request at:

https://github.com/apache/zeppelin/pull/1820


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[GitHub] zeppelin pull request #1815: [ZEPPELIN-1722] Modernize visualization/transfo...

2017-01-03 Thread asfgit

Github user asfgit closed the pull request at:

https://github.com/apache/zeppelin/pull/1815


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[GitHub] zeppelin issue #1822: [ZEPPELIN-1789] Make exported data file name more expl...

2017-01-03 Thread Leemoonsoo

Github user Leemoonsoo commented on the issue:

https://github.com/apache/zeppelin/pull/1822
  
@AhyoungRyu Thanks~ LGTM!


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[GitHub] zeppelin issue #1834: [ZEPPELIN-1864] Improvement to show folder and note af...

2017-01-03 Thread AhyoungRyu

Github user AhyoungRyu commented on the issue:

https://github.com/apache/zeppelin/pull/1834
  
@soralee Thanks for the improvement. I've also seen those issues when I was 
using filter. Let me test this :)


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[GitHub] zeppelin issue #1822: [ZEPPELIN-1789] Make exported data file name more expl...

2017-01-03 Thread AhyoungRyu

Github user AhyoungRyu commented on the issue:

https://github.com/apache/zeppelin/pull/1822
  
@Leemoonsoo I've just updated as you said and the PR description as well. 
Please take a look :)


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[GitHub] zeppelin issue #1816: [MINOR] Fix broken CSS for plain text paragraph result

2017-01-03 Thread AhyoungRyu

Github user AhyoungRyu commented on the issue:

https://github.com/apache/zeppelin/pull/1816
  
Merge if there are no more comments on this


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[GitHub] zeppelin issue #1828: [ZEPPELIN-1876] smart psql autocomplition

2017-01-03 Thread jongyoul

Github user jongyoul commented on the issue:

https://github.com/apache/zeppelin/pull/1828
  
@sotnich Thanks!! Please link this issue into the new PR.


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[jira] [Created] (ZEPPELIN-1897) REST API - Update API for paragraphs

2017-01-03 Thread nirav patel (JIRA)

nirav patel created ZEPPELIN-1897:
-

 Summary: REST API - Update API for paragraphs
 Key: ZEPPELIN-1897
 URL: https://issues.apache.org/jira/browse/ZEPPELIN-1897
 Project: Zeppelin
  Issue Type: Improvement
Affects Versions: 0.6.2
Reporter: nirav patel


Can we add support for updating paragraph "text" (code) with new text. This 
will allow existing paragraph to be updated. Current alternative to perform 
this is to do multiple steps:
1) Remove paragraph that needs to be updated. Mark its index for later use.
2) Create new paragraph with required "text"
3) Move new paragraph to index collected in step 1.

It would be nice to just be able to upgrade existing paragraph 



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[GitHub] zeppelin issue #1809: ZEPPELIN-1866. No meaningful exception for pig interpr...

2017-01-03 Thread felixcheung

Github user felixcheung commented on the issue:

https://github.com/apache/zeppelin/pull/1809
  
Cool. ~~It also looks like CI is passing.~~ Hmm, I guess not..
Merging if no more comment.



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[GitHub] zeppelin issue #1832: [ZEPPELIN-1884] Prevent NullPointerException when JDBC...

2017-01-03 Thread felixcheung

Github user felixcheung commented on the issue:

https://github.com/apache/zeppelin/pull/1832
  
LGTM


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[GitHub] zeppelin pull request #1835: [MINOR][DOCS] Add troubleshooting section to sp...

2017-01-03 Thread 1ambda

GitHub user 1ambda opened a pull request:

https://github.com/apache/zeppelin/pull/1835

[MINOR][DOCS] Add troubleshooting section to spark_cluster_mode.md

### What is this PR for?

I faced problems while executing docker image for spark on mesos described 
in [Spark on Mesos 
mode](http://zeppelin.apache.org/docs/0.7.0-SNAPSHOT/install/spark_cluster_mode.html#spark-on-mesos-mode).
 Thus I updated doc.

FYI, I am using

- Docker version 1.12.5, build 7392c3b
- OSX 10.11.6

### What type of PR is it?
[Documentation]

### Todos

Nothing

### What is the Jira issue?

MINOR, DOCS

### How should this be tested?

DOCS

### Screenshots (if appropriate)

Error 1

```
: java.net.UnknownHostException: moby: moby: Name or service not known
at java.net.InetAddress.getLocalHost(InetAddress.java:1496)
at 
org.apache.spark.util.Utils$.findLocalInetAddress(Utils.scala:789)
at 
org.apache.spark.util.Utils$.org$apache$spark$util$Utils$$localIpAddress$lzycompute(Utils.scala:782)
at 
org.apache.spark.util.Utils$.org$apache$spark$util$Utils$$localIpAddress(Utils.scala:782)
```

Error 2

```
I0103 20:17:22.329269   340 sched.cpp:330] New master detected at 
master@127.0.1.1:5050
I0103 20:17:22.330749   340 sched.cpp:341] No credentials provided. 
Attempting to register without authentication
W0103 20:17:22.333531   340 sched.cpp:736] Ignoring framework registered 
message because it was sentfrom 'master@127.0.0.1:5050' instead of the leading 
master 'master@127.0.1.1:5050'
W0103 20:17:24.040252   339 sched.cpp:736] Ignoring framework registered 
message because it was sentfrom 'master@127.0.0.1:5050' instead of the leading 
master 'master@127.0.1.1:5050'
W0103 20:17:26.150250   339 sched.cpp:736] Ignoring framework registered 
message because it was sentfrom 'master@127.0.0.1:5050' instead of the leading 
master 'master@127.0.1.1:5050'
W0103 20:17:26.737604   339 sched.cpp:736] Ignoring framework registered 
message because it was sentfrom 'master@127.0.0.1:5050' instead of the leading 
master 'master@127.0.1.1:5050'
W0103 20:17:35.241714   336 sched.cpp:736] Ignoring framework registered 
message because it was sentfrom 'master@127.0.0.1:5050' instead of the leading 
master 'master@127.0.1.1:5050'
```

### Questions:
* Does the licenses files need update - NO
* Is there breaking changes for older versions? - NO
* Does this needs documentation - YES, I updated


You can merge this pull request into a Git repository by running:

$ git pull https://github.com/1ambda/zeppelin 
docs/add-trouble-shooting-section-for-spark-mesos

Alternatively you can review and apply these changes as the patch at:

https://github.com/apache/zeppelin/pull/1835.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

This closes #1835


commit ef95a2351bbb5342fd73d600dfe30a0283306c09
Author: 1ambda <1am...@gmail.com>
Date:   2017-01-03T20:28:52Z

docs: Add troubleshooting sec to spark_cluster_mode.md




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[GitHub] zeppelin issue #1812: [ZEPPELIN-1850] Use yarn instead of npm to reduce buil...

2017-01-03 Thread 1ambda

Github user 1ambda commented on the issue:

https://github.com/apache/zeppelin/pull/1812
  
@Leemoonsoo 

1. `yarn remove` and `yarn add` will update package.json as well. 

2. But some people might not know how to use yarn, so it would be better to

- remove `yarn.lock` from git
- run `yarn install --no-lockfile` (don't read, generate lock file)


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[GitHub] zeppelin issue #1799: [ZEPPELIN-1165 : WIP] Code-based job workflow

2017-01-03 Thread rasehorn

Github user rasehorn commented on the issue:

https://github.com/apache/zeppelin/pull/1799
  
As far as I remember another discussion the paragraph IDs will change if 
you export/import or copy a notebook (not sure which one applies). If that is 
the case the workflow will be broken after import. If the user in front of the 
screen is not familiar with the code and logic of the notebook, it might be 
difficult to fix.  

What about a simple "z.wait(ordernumber or paragraphId)" function which 
makes the paragraph wait for the paragraph referenced by the ordernumber or id 
to finish successfully or cancel the paragraph execution in case of an error? 

This way all paragraphs without z.wait will be executed in parallel and 
those calling z.wait would be executed in sequence to the ones they depend on. 
And additionally this kind of functionality would not be mixed with the job 
handling on notebook level.


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[jira] [Created] (ZEPPELIN-1896) The ability to remove the result of a paragraph from your code.

2017-01-03 Thread CloverHearts (JIRA)

CloverHearts created ZEPPELIN-1896:
--

 Summary: The ability to remove the result of a paragraph from your 
code.
 Key: ZEPPELIN-1896
 URL: https://issues.apache.org/jira/browse/ZEPPELIN-1896
 Project: Zeppelin
  Issue Type: Sub-task
Reporter: CloverHearts
Assignee: CloverHearts


We need code that can delete the result of a paragraph of the form 
z.clearOutput.
This allows you to control the code by deleting the result of the paragraph.
You can always update the results of the paragraph you have executed explicitly.



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[jira] [Created] (ZEPPELIN-1895) Get paragraph status in code

2017-01-03 Thread CloverHearts (JIRA)

CloverHearts created ZEPPELIN-1895:
--

 Summary: Get paragraph status in code
 Key: ZEPPELIN-1895
 URL: https://issues.apache.org/jira/browse/ZEPPELIN-1895
 Project: Zeppelin
  Issue Type: Sub-task
Reporter: CloverHearts
Assignee: CloverHearts


We need a ZeppelinContext to get the state of the paragraph, such as 
z.getJobStatus.
This feature allows you to implement a similar workflow.



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[GitHub] zeppelin issue #1799: [ZEPPELIN-1165 : WIP] Code-based job workflow

2017-01-03 Thread cloverhearts

Github user cloverhearts commented on the issue:

https://github.com/apache/zeppelin/pull/1799
  

Yes, apart from workflow, this feature is essential. (Get paragraph status)
I want to separate getZeppelinJobStatus () into a separate PR, and I want 
to improve the workflow by gathering this from feedback here.
And many Zeppelin users seem to want to work with a DAG type workflow 
outside of the interpreter.
I will put your opinions on this together and present a new alternative to 
this PR.

And we will separate the functions related to the workflow into other PRs.

For example, getting paragraph status, deleting paragraph output.

Thank you a lot for your opinion.


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[GitHub] zeppelin issue #1799: [ZEPPELIN-1165 : WIP] Code-based job workflow

2017-01-03 Thread cloverhearts

Github user cloverhearts commented on the issue:

https://github.com/apache/zeppelin/pull/1799
  
@Leemoonsoo 
Yes it seems to be good, I will make a new change.


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[GitHub] zeppelin issue #1775: [ZEPPELIN-1745] View revisions in non-editable mode

2017-01-03 Thread Leemoonsoo

Github user Leemoonsoo commented on the issue:

https://github.com/apache/zeppelin/pull/1775
  
Tested and LGTM. Thanks @khalidhuseynov for the improvement.
Merge to master if there're no more discussions.


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[GitHub] zeppelin issue #1799: [ZEPPELIN-1165 : WIP] Code-based job workflow

2017-01-03 Thread Leemoonsoo

Github user Leemoonsoo commented on the issue:

https://github.com/apache/zeppelin/pull/1799
  
```
z.getZeppelinJobStatus("execute note id", "execute paragraph 
id").getJobStatus()
```

How about not repeating `Job`, `Status` and omit `Zeppelin` (while `z.` 
represents zeppelin) in method name?
i.e. something like

```
z.getJob("note id", "paragraph id").getStatus()
```

or just

```
z.getJobStatus("note id", "paragraph id")
```


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[GitHub] zeppelin issue #1822: [ZEPPELIN-1789] Make exported data file name more expl...

2017-01-03 Thread AhyoungRyu

Github user AhyoungRyu commented on the issue:

https://github.com/apache/zeppelin/pull/1822
  
@Leemoonsoo Addressed your comment in 
[d7d0087](https://github.com/apache/zeppelin/pull/1822/commits/d7d00872859d8d4f91e11875bbcd8e1012c8e2a6).
 Please check if you have time. 


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[GitHub] zeppelin pull request #1834: [ZEPPELIN-1864] Improvement to show folder and ...

2017-01-03 Thread soralee

GitHub user soralee reopened a pull request:

https://github.com/apache/zeppelin/pull/1834

[ZEPPELIN-1864] Improvement to show folder and note after searching note

### What is this PR for?
This PR is for improvement to show folder and note after using the filter. 
And I found some bugs and fixed like this.

the following list is improvement and bug fixed.
1. After using the filter in Zeppelin Home, every note is shown by the form 
[FolderName/NoteName] like below. It would be nice to show folder icon and note 
icon as previous status.

![z1864_f_b](https://cloud.githubusercontent.com/assets/8110458/21604777/79dbb228-d1e8-11e6-974d-737520729d68.gif)
 
2. When using the filter, some functions and icons next to note and folder 
are disappeared.

![z1864_f_2_b](https://cloud.githubusercontent.com/assets/8110458/21605057/f5a0143e-d1e9-11e6-86f3-ebff5be4c41d.gif)

3. When using the filter, the `Rename Note` function doesn't work. ( When I 
was handling this PR, this bug was discovered.)

![z1864_f_4_b](https://cloud.githubusercontent.com/assets/8110458/21606384/71305796-d1f2-11e6-91a4-2ec14b8b4959.gif)


### What type of PR is it?
[ Bug Fix | Improvement ]

### Todos
* [x] - improve to show folder and note when finishing to use filter.
* [x] - some functions and icons next to note and folder are appeared when 
using filter.
* [x] - fix `Rename Note` function when using the filter.

### What is the Jira issue?
https://issues.apache.org/jira/browse/ZEPPELIN-1864

### How should this be tested?
 - **[Test 1]** Before/After using the filter, check the list structure of 
your notes. It should be same appearance.

 - **[Test 2]** When using the filter, check the notes. Some icons and 
functions next to note and folder should be appeared.

 - **[Test 3]** When using the filter, click `Rename Note`. It should be 
appeared the path of Note.

### Screenshots (if appropriate)
**Test 1**.

![z1864_f_1_a](https://cloud.githubusercontent.com/assets/8110458/21606849/a79dbf82-d1f5-11e6-8d48-3a1977099ab1.gif)

**Test 2**.

![z1864_f_2_a](https://cloud.githubusercontent.com/assets/8110458/21606880/d1cf9550-d1f5-11e6-9311-ee54424d7e76.gif)

**Test 3**.

![z1864_f_4_a](https://cloud.githubusercontent.com/assets/8110458/21606272/9e0b096a-d1f1-11e6-8bfb-ab1ea1a30b88.gif)


### Questions:
* Does the licenses files need update? N/A
* Is there breaking changes for older versions? N/A
* Does this needs documentation? N/A


You can merge this pull request into a Git repository by running:

$ git pull https://github.com/soralee/zeppelin ZEPPELIN-1864

Alternatively you can review and apply these changes as the patch at:

https://github.com/apache/zeppelin/pull/1834.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

This closes #1834


commit 93c4b6b17cdfa6bfde7ac000f7743971f41b7640
Author: soralee 
Date:   2017-01-03T09:35:55Z

Improvement to show folder and note after searching note

commit b11ec620ddf44c0c76f2e61e7db7fa1d9a69e755
Author: soralee 
Date:   2017-01-03T11:51:31Z

Improvement to show folder and note after searching note




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[GitHub] zeppelin pull request #1834: [ZEPPELIN-1864] Improvement to show folder and ...

2017-01-03 Thread soralee

Github user soralee closed the pull request at:

https://github.com/apache/zeppelin/pull/1834


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[jira] [Created] (ZEPPELIN-1894) Matplotlib is very slow in python interpreter

2017-01-03 Thread Jeff Zhang (JIRA)

Jeff Zhang created ZEPPELIN-1894:


 Summary: Matplotlib is very slow in python interpreter
 Key: ZEPPELIN-1894
 URL: https://issues.apache.org/jira/browse/ZEPPELIN-1894
 Project: Zeppelin
  Issue Type: Improvement
Affects Versions: 0.7.0
Reporter: Jeff Zhang


The following code takes 20 seconds in zeppelin python interpreter. But it only 
take 1 second in jupyter. 

{code}
import matplotlib.pyplot as plt
import numpy as np

x = np.random.normal(0,1,1024)
y = np.random.normal(0,1,1024)

plt.scatter(x,y, s=25)
plt.xlim((-2,2))
plt.ylim((-2,2))
{code}



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[GitHub] zeppelin issue #1828: [ZEPPELIN-1876] smart psql autocomplition

2017-01-03 Thread sotnich

Github user sotnich commented on the issue:

https://github.com/apache/zeppelin/pull/1828
  
@jongyoul , sure, I will do it. I'll close this PR and will open a new one.


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[GitHub] zeppelin issue #1828: [ZEPPELIN-1876] smart psql autocomplition

2017-01-03 Thread jongyoul

Github user jongyoul commented on the issue:

https://github.com/apache/zeppelin/pull/1828
  
@sotnich Thanks for the contribution. We, however, merged all functions of 
PSQLInterpreter into JDBCInterpreter and will remove PSQLInterpreter sooner. 
I'm very happy to adopt this function into JDBCInterpreter. Do you mind 
handling it?


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[GitHub] zeppelin issue #1807: ZEPPELIN-1861 Support custom interpreter.sh script to ...

2017-01-03 Thread jongyoul

Github user jongyoul commented on the issue:

https://github.com/apache/zeppelin/pull/1807
  
Flaky test. Will merge it if there're no more discussion.


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[GitHub] zeppelin pull request #1811: [MINOR] Fix paragraph id misalignment in dropdo...

2017-01-03 Thread cuspymd

Github user cuspymd closed the pull request at:

https://github.com/apache/zeppelin/pull/1811


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[GitHub] zeppelin issue #1811: [MINOR] Fix paragraph id misalignment in dropdown menu

2017-01-03 Thread cuspymd

Github user cuspymd commented on the issue:

https://github.com/apache/zeppelin/pull/1811
  
I've checked it is resolved at latest commit.
Thanks for your check.


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[GitHub] zeppelin issue #1828: [ZEPPELIN-1876] smart psql autocomplition

2017-01-03 Thread sotnich

Github user sotnich commented on the issue:

https://github.com/apache/zeppelin/pull/1828
  
Looks like CI error does not have any relation with my PR. Could anyone 
confirm that?


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[jira] [Created] (ZEPPELIN-1893) Extra non-necessary info is output in python interpreter when using matplotlib

2017-01-03 Thread Jeff Zhang (JIRA)

Jeff Zhang created ZEPPELIN-1893:


 Summary: Extra non-necessary info is output in python interpreter 
when using matplotlib
 Key: ZEPPELIN-1893
 URL: https://issues.apache.org/jira/browse/ZEPPELIN-1893
 Project: Zeppelin
  Issue Type: Improvement
Affects Versions: 0.7.0
Reporter: Jeff Zhang


Please see the attached screenshot.





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[GitHub] zeppelin issue #1799: [ZEPPELIN-1165 : WIP] Code-based job workflow

2017-01-03 Thread rasehorn

Github user rasehorn commented on the issue:

https://github.com/apache/zeppelin/pull/1799
  
I'm also a little bit confused what this PR really is about - the pictures 
above point to paragraph execution order and control but the discussion also 
points to Notebook execution workflows. 
From my point of view the control over paragraph execution within a 
notebook is something different than defining a workflow for notebook execution 
and mixing different features leads to poor design. 

Often paragraphs within notebooks depend on others and therefore they need 
to be executed in a certain order. I feel like this kind of paragraph execution 
control shall be handeled by the core framework based on settings for each 
paragraph within the notebook.

Additionally: In some places within the discussion the implementation of 
that feature on interpreter level was mentioned. It is not clear to me why the 
notebook workflow definition feature shall be reimplemented in different 
interpreters in different ways. Instead the internals of a notebook are of no 
interest when it is executed within a workflow - all that matters is success or 
failure and a definition at the workflow level what shall happen in case of a 
failure. So from my point of view the notebook workflow feature should also be 
implemented in the core code independently from the different interpreters 
available.


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[GitHub] zeppelin issue #1799: [ZEPPELIN-1165 : WIP] Code-based job workflow

2017-01-03 Thread rasehorn

Github user rasehorn commented on the issue:

https://github.com/apache/zeppelin/pull/1799
  
From my point of view this kind of functionality shall be provided by the 
core framework. 
I do not have created many notebooks but what I've done always is: create 
one paragraph after the other to seperate data preparation from processing and 
visualization. So for the approach I apply it would be sufficient to execute 
the paragraphs in the sequence they are ordered in the notebook and this should 
be the default behaviour. 
To support control over parallel execution of paragraphs it would be 
sufficient from my point of view to have a flag on each paragraph telling if 
this paragraph could be executed in parallel, so all subsequent paragraphs 
(their order within the notebook, not their ID) having this flag set could also 
be executed in parallel. 

This is a kind defining the paragraph execution workflow implicitely 
without the need to program explicitely.
But again: I'm not a power user. :-)


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