[jira] [Commented] (SPARK-11857) Remove Mesos fine-grained mode subject to discussions

2016-07-06 Thread Apache Spark (JIRA)

[ 
https://issues.apache.org/jira/browse/SPARK-11857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15365190#comment-15365190
 ] 

Apache Spark commented on SPARK-11857:
--

User 'mgummelt' has created a pull request for this issue:
https://github.com/apache/spark/pull/14078

> Remove Mesos fine-grained mode subject to discussions
> -
>
> Key: SPARK-11857
> URL: https://issues.apache.org/jira/browse/SPARK-11857
> Project: Spark
>  Issue Type: Sub-task
>  Components: Mesos
>Reporter: Reynold Xin
>Assignee: Reynold Xin
>
> See discussions in
> http://apache-spark-developers-list.1001551.n3.nabble.com/Removing-the-Mesos-fine-grained-mode-td15277.html
> and
> http://apache-spark-developers-list.1001551.n3.nabble.com/Please-reply-if-you-use-Mesos-fine-grained-mode-td14930.html



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[jira] [Commented] (SPARK-11857) Remove Mesos fine-grained mode subject to discussions

2016-07-05 Thread Michael Gummelt (JIRA)

[ 
https://issues.apache.org/jira/browse/SPARK-11857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15363410#comment-15363410
 ] 

Michael Gummelt commented on SPARK-11857:
-

Thanks!

> Remove Mesos fine-grained mode subject to discussions
> -
>
> Key: SPARK-11857
> URL: https://issues.apache.org/jira/browse/SPARK-11857
> Project: Spark
>  Issue Type: Sub-task
>  Components: Mesos
>Reporter: Reynold Xin
>Assignee: Reynold Xin
>
> See discussions in
> http://apache-spark-developers-list.1001551.n3.nabble.com/Removing-the-Mesos-fine-grained-mode-td15277.html
> and
> http://apache-spark-developers-list.1001551.n3.nabble.com/Please-reply-if-you-use-Mesos-fine-grained-mode-td14930.html



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[jira] [Commented] (SPARK-11857) Remove Mesos fine-grained mode subject to discussions

2016-07-05 Thread Adam McElwee (JIRA)

[ 
https://issues.apache.org/jira/browse/SPARK-11857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15363404#comment-15363404
 ] 

Adam McElwee commented on SPARK-11857:
--

Nah, carry on. I'm not using spark at the new job, so I won't be able to pass 
along any new info.

> Remove Mesos fine-grained mode subject to discussions
> -
>
> Key: SPARK-11857
> URL: https://issues.apache.org/jira/browse/SPARK-11857
> Project: Spark
>  Issue Type: Sub-task
>  Components: Mesos
>Reporter: Reynold Xin
>Assignee: Reynold Xin
>
> See discussions in
> http://apache-spark-developers-list.1001551.n3.nabble.com/Removing-the-Mesos-fine-grained-mode-td15277.html
> and
> http://apache-spark-developers-list.1001551.n3.nabble.com/Please-reply-if-you-use-Mesos-fine-grained-mode-td14930.html



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[jira] [Commented] (SPARK-11857) Remove Mesos fine-grained mode subject to discussions

2016-07-05 Thread Michael Gummelt (JIRA)

[ 
https://issues.apache.org/jira/browse/SPARK-11857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15363367#comment-15363367
 ] 

Michael Gummelt commented on SPARK-11857:
-

I'll give [~amcelwee] a couple days to respond.

[~dragos] [~skonto] [~tnachen] speak now or forever hold your peace.

> Remove Mesos fine-grained mode subject to discussions
> -
>
> Key: SPARK-11857
> URL: https://issues.apache.org/jira/browse/SPARK-11857
> Project: Spark
>  Issue Type: Sub-task
>  Components: Mesos
>Reporter: Reynold Xin
>Assignee: Reynold Xin
>
> See discussions in
> http://apache-spark-developers-list.1001551.n3.nabble.com/Removing-the-Mesos-fine-grained-mode-td15277.html
> and
> http://apache-spark-developers-list.1001551.n3.nabble.com/Please-reply-if-you-use-Mesos-fine-grained-mode-td14930.html



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[jira] [Commented] (SPARK-11857) Remove Mesos fine-grained mode subject to discussions

2016-07-05 Thread Michael Gummelt (JIRA)

[ 
https://issues.apache.org/jira/browse/SPARK-11857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15363345#comment-15363345
 ] 

Michael Gummelt commented on SPARK-11857:
-

For completeness, here's my theoretical analysis to augment our empirical 
observation that users don't mind fine-grained mode being removed.

Fine-grained mode provides two benefits:
1) Slow-start
  Executors are brought up lazily

2) Relinquishing cores
  Cores are relinquished back to Mesos as Spark tasks terminate

Fine-grained mdoe does *not* provide the following benefits, though some think 
it does:
a) Relinquishing memory
  The JVM doesn't relinquish memory, so it would be unsafe for us to resize the 
cgroup

b) Relinquishing executors

As for alternatives to the benefits, 1) is provided by dynamic allocation, 
though we need a better recommended setup for this as I document here: 
http://apache-spark-developers-list.1001551.n3.nabble.com/HDFS-as-Shuffle-Service-td17340.html
There is no alternative to 2), but we've generally found that the 
executor-level granularity of dynamic allocation is sufficient for most. 

> Remove Mesos fine-grained mode subject to discussions
> -
>
> Key: SPARK-11857
> URL: https://issues.apache.org/jira/browse/SPARK-11857
> Project: Spark
>  Issue Type: Sub-task
>  Components: Mesos
>Reporter: Reynold Xin
>Assignee: Reynold Xin
>
> See discussions in
> http://apache-spark-developers-list.1001551.n3.nabble.com/Removing-the-Mesos-fine-grained-mode-td15277.html
> and
> http://apache-spark-developers-list.1001551.n3.nabble.com/Please-reply-if-you-use-Mesos-fine-grained-mode-td14930.html



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[jira] [Commented] (SPARK-11857) Remove Mesos fine-grained mode subject to discussions

2016-07-05 Thread Reynold Xin (JIRA)

[ 
https://issues.apache.org/jira/browse/SPARK-11857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15363331#comment-15363331
 ] 

Reynold Xin commented on SPARK-11857:
-

Michael can you submit a pull request to log deprecation and perhaps also
update the docs?




> Remove Mesos fine-grained mode subject to discussions
> -
>
> Key: SPARK-11857
> URL: https://issues.apache.org/jira/browse/SPARK-11857
> Project: Spark
>  Issue Type: Sub-task
>  Components: Mesos
>Reporter: Reynold Xin
>Assignee: Reynold Xin
>
> See discussions in
> http://apache-spark-developers-list.1001551.n3.nabble.com/Removing-the-Mesos-fine-grained-mode-td15277.html
> and
> http://apache-spark-developers-list.1001551.n3.nabble.com/Please-reply-if-you-use-Mesos-fine-grained-mode-td14930.html



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[jira] [Commented] (SPARK-11857) Remove Mesos fine-grained mode subject to discussions

2016-07-05 Thread Michael Gummelt (JIRA)

[ 
https://issues.apache.org/jira/browse/SPARK-11857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15363321#comment-15363321
 ] 

Michael Gummelt commented on SPARK-11857:
-

[~amcelwee] Do you have any more input on this issue.  We're moving forward 
with deprecating fine-grained mode, but we're willing to solve your issue first.

> Remove Mesos fine-grained mode subject to discussions
> -
>
> Key: SPARK-11857
> URL: https://issues.apache.org/jira/browse/SPARK-11857
> Project: Spark
>  Issue Type: Sub-task
>  Components: Mesos
>Reporter: Reynold Xin
>Assignee: Reynold Xin
>
> See discussions in
> http://apache-spark-developers-list.1001551.n3.nabble.com/Removing-the-Mesos-fine-grained-mode-td15277.html
> and
> http://apache-spark-developers-list.1001551.n3.nabble.com/Please-reply-if-you-use-Mesos-fine-grained-mode-td14930.html



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[jira] [Commented] (SPARK-11857) Remove Mesos fine-grained mode subject to discussions

2016-07-05 Thread Michael Gummelt (JIRA)

[ 
https://issues.apache.org/jira/browse/SPARK-11857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15363311#comment-15363311
 ] 

Michael Gummelt commented on SPARK-11857:
-

I endorse the deprecation.  Fine-grained mode would be more useful if the JVM 
could shrink in memory as well as cores, but alas...

We at Mesosphere haven't heard any objections from users regarding the loss of 
fine-grained.

[~andrewor14] Please cc me if you need Mesos input.  Tim is still active, I 
believe, but no longer at Mesosphere.  I work (mostly) full-time on Spark on 
Mesos.

> Remove Mesos fine-grained mode subject to discussions
> -
>
> Key: SPARK-11857
> URL: https://issues.apache.org/jira/browse/SPARK-11857
> Project: Spark
>  Issue Type: Sub-task
>  Components: Mesos
>Reporter: Reynold Xin
>Assignee: Reynold Xin
>
> See discussions in
> http://apache-spark-developers-list.1001551.n3.nabble.com/Removing-the-Mesos-fine-grained-mode-td15277.html
> and
> http://apache-spark-developers-list.1001551.n3.nabble.com/Please-reply-if-you-use-Mesos-fine-grained-mode-td14930.html



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[jira] [Commented] (SPARK-11857) Remove Mesos fine-grained mode subject to discussions

2016-03-08 Thread Andrew Or (JIRA)

[ 
https://issues.apache.org/jira/browse/SPARK-11857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15185511#comment-15185511
 ] 

Andrew Or commented on SPARK-11857:
---

[~dragos][~tnachen] any thoughts on at least deprecating this?

> Remove Mesos fine-grained mode subject to discussions
> -
>
> Key: SPARK-11857
> URL: https://issues.apache.org/jira/browse/SPARK-11857
> Project: Spark
>  Issue Type: Sub-task
>  Components: Mesos
>Reporter: Reynold Xin
>Assignee: Reynold Xin
>
> See discussions in
> http://apache-spark-developers-list.1001551.n3.nabble.com/Removing-the-Mesos-fine-grained-mode-td15277.html
> and
> http://apache-spark-developers-list.1001551.n3.nabble.com/Please-reply-if-you-use-Mesos-fine-grained-mode-td14930.html



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[jira] [Commented] (SPARK-11857) Remove Mesos fine-grained mode subject to discussions

2016-03-08 Thread Reynold Xin (JIRA)

[ 
https://issues.apache.org/jira/browse/SPARK-11857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15185505#comment-15185505
 ] 

Reynold Xin commented on SPARK-11857:
-

Maybe we should deprecate this first.


> Remove Mesos fine-grained mode subject to discussions
> -
>
> Key: SPARK-11857
> URL: https://issues.apache.org/jira/browse/SPARK-11857
> Project: Spark
>  Issue Type: Sub-task
>  Components: Mesos
>Reporter: Reynold Xin
>Assignee: Reynold Xin
>
> See discussions in
> http://apache-spark-developers-list.1001551.n3.nabble.com/Removing-the-Mesos-fine-grained-mode-td15277.html
> and
> http://apache-spark-developers-list.1001551.n3.nabble.com/Please-reply-if-you-use-Mesos-fine-grained-mode-td14930.html



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[jira] [Commented] (SPARK-11857) Remove Mesos fine-grained mode subject to discussions

2016-01-14 Thread Reynold Xin (JIRA)

[ 
https://issues.apache.org/jira/browse/SPARK-11857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15098546#comment-15098546
 ] 

Reynold Xin commented on SPARK-11857:
-

Oh yes :)

Let me know if you want to deprecate it and submit a patch. Otherwise I will 
just close this ticket.


> Remove Mesos fine-grained mode subject to discussions
> -
>
> Key: SPARK-11857
> URL: https://issues.apache.org/jira/browse/SPARK-11857
> Project: Spark
>  Issue Type: Sub-task
>  Components: Mesos
>Reporter: Reynold Xin
>Assignee: Reynold Xin
>
> See discussions in
> http://apache-spark-developers-list.1001551.n3.nabble.com/Removing-the-Mesos-fine-grained-mode-td15277.html
> and
> http://apache-spark-developers-list.1001551.n3.nabble.com/Please-reply-if-you-use-Mesos-fine-grained-mode-td14930.html



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[jira] [Commented] (SPARK-11857) Remove Mesos fine-grained mode subject to discussions

2016-01-14 Thread Iulian Dragos (JIRA)

[ 
https://issues.apache.org/jira/browse/SPARK-11857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15098355#comment-15098355
 ] 

Iulian Dragos commented on SPARK-11857:
---

Sure, but that seems to be done already... by you: 
https://github.com/apache/spark/pull/9795

> Remove Mesos fine-grained mode subject to discussions
> -
>
> Key: SPARK-11857
> URL: https://issues.apache.org/jira/browse/SPARK-11857
> Project: Spark
>  Issue Type: Sub-task
>  Components: Mesos
>Reporter: Reynold Xin
>Assignee: Reynold Xin
>
> See discussions in
> http://apache-spark-developers-list.1001551.n3.nabble.com/Removing-the-Mesos-fine-grained-mode-td15277.html
> and
> http://apache-spark-developers-list.1001551.n3.nabble.com/Please-reply-if-you-use-Mesos-fine-grained-mode-td14930.html



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[jira] [Commented] (SPARK-11857) Remove Mesos fine-grained mode subject to discussions

2016-01-13 Thread Iulian Dragos (JIRA)

[ 
https://issues.apache.org/jira/browse/SPARK-11857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15095975#comment-15095975
 ] 

Iulian Dragos commented on SPARK-11857:
---

There's one pending issue in the email thread, regarding a 20-30% performance 
drop by switching to the coarse-grained mode. Maybe it makes sense to just 
deprecate it as a first step, until we figure out the issue?

> Remove Mesos fine-grained mode subject to discussions
> -
>
> Key: SPARK-11857
> URL: https://issues.apache.org/jira/browse/SPARK-11857
> Project: Spark
>  Issue Type: Sub-task
>  Components: Mesos
>Reporter: Reynold Xin
>Assignee: Reynold Xin
>
> See discussions in
> http://apache-spark-developers-list.1001551.n3.nabble.com/Removing-the-Mesos-fine-grained-mode-td15277.html
> and
> http://apache-spark-developers-list.1001551.n3.nabble.com/Please-reply-if-you-use-Mesos-fine-grained-mode-td14930.html



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[jira] [Commented] (SPARK-11857) Remove Mesos fine-grained mode subject to discussions

2016-01-13 Thread Reynold Xin (JIRA)

[ 
https://issues.apache.org/jira/browse/SPARK-11857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15096734#comment-15096734
 ] 

Reynold Xin commented on SPARK-11857:
-

That sounds good to me. At the very least we should switch the default to
coarsed grain first. Can you submit a pull request?  Thanks.

On Wednesday, January 13, 2016, Iulian Dragos (JIRA) 



> Remove Mesos fine-grained mode subject to discussions
> -
>
> Key: SPARK-11857
> URL: https://issues.apache.org/jira/browse/SPARK-11857
> Project: Spark
>  Issue Type: Sub-task
>  Components: Mesos
>Reporter: Reynold Xin
>Assignee: Reynold Xin
>
> See discussions in
> http://apache-spark-developers-list.1001551.n3.nabble.com/Removing-the-Mesos-fine-grained-mode-td15277.html
> and
> http://apache-spark-developers-list.1001551.n3.nabble.com/Please-reply-if-you-use-Mesos-fine-grained-mode-td14930.html



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[jira] [Commented] (SPARK-11857) Remove Mesos fine-grained mode subject to discussions

2016-01-04 Thread Reynold Xin (JIRA)

[ 
https://issues.apache.org/jira/browse/SPARK-11857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15082491#comment-15082491
 ] 

Reynold Xin commented on SPARK-11857:
-

cc [~dragos] / [~tnachen]  do we still want to do this?


> Remove Mesos fine-grained mode subject to discussions
> -
>
> Key: SPARK-11857
> URL: https://issues.apache.org/jira/browse/SPARK-11857
> Project: Spark
>  Issue Type: Sub-task
>  Components: Mesos
>Reporter: Reynold Xin
>Assignee: Reynold Xin
>
> See discussions in
> http://apache-spark-developers-list.1001551.n3.nabble.com/Removing-the-Mesos-fine-grained-mode-td15277.html
> and
> http://apache-spark-developers-list.1001551.n3.nabble.com/Please-reply-if-you-use-Mesos-fine-grained-mode-td14930.html



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