[GitHub] spark issue #17833: [SPARK-20558][CORE] clear InheritableThreadLocal variabl...

2017-05-03 Thread sameeragarwal
Github user sameeragarwal commented on the issue:

https://github.com/apache/spark/pull/17833
  
Are we still investigating the root cause? If not, perhaps try re-enabling 
the test in 2.2 to see if it's failing?


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---

-
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org



[GitHub] spark issue #17833: [SPARK-20558][CORE] clear InheritableThreadLocal variabl...

2017-05-02 Thread cloud-fan
Github user cloud-fan commented on the issue:

https://github.com/apache/spark/pull/17833
  
merging to master/2.2/2.1/2.0


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---

-
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org



[GitHub] spark issue #17833: [SPARK-20558][CORE] clear InheritableThreadLocal variabl...

2017-05-02 Thread cloud-fan
Github user cloud-fan commented on the issue:

https://github.com/apache/spark/pull/17833
  
> I think it only cleans localProperties in the current thread. 
localProperties overrides childValue and always clones a new Properties for 
child threads.

Yea, that's true. If some child threads are already there and cloned the 
local properties, we can't clean them. But we can avoid future child threads to 
inherit this local properties, which can reduce the memory footprint a lot if 
users create new `SparkContext` and stop it, and repeat this many times.

Anyway, I'll merge this PR and see if it can fix the flaky test. 


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---

-
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org



[GitHub] spark issue #17833: [SPARK-20558][CORE] clear InheritableThreadLocal variabl...

2017-05-02 Thread zsxwing
Github user zsxwing commented on the issue:

https://github.com/apache/spark/pull/17833
  
In a second thought, for https://issues.apache.org/jira/browse/SPARK-20548 
, we can just combine some tests into one test to reduce the SparkContexts and 
REPLs.


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---

-
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org



[GitHub] spark issue #17833: [SPARK-20558][CORE] clear InheritableThreadLocal variabl...

2017-05-02 Thread zsxwing
Github user zsxwing commented on the issue:

https://github.com/apache/spark/pull/17833
  
By the way, this PR is good to me since it does reduce a little memory 
footprint. But we still cannot close 
https://issues.apache.org/jira/browse/SPARK-20548 though.


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---

-
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org



[GitHub] spark issue #17833: [SPARK-20558][CORE] clear InheritableThreadLocal variabl...

2017-05-02 Thread zsxwing
Github user zsxwing commented on the issue:

https://github.com/apache/spark/pull/17833
  
I think it only cleans `localProperties` in the current thread. 
`localProperties` overrides `childValue` and always clones a new Properties for 
child threads.

In addition, I think it doesn't fix the flaky REPL tests. Last time I 
checked the head dump, I observed most of memory usage comes from REPL and it's 
class loader referred by `SparkContext`s. And the GC roots of `SparkContext`s 
are JVM internal threads in this thread pool: 
http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/8u40-b25/java/lang/UNIXProcess.java#220
 It's a cache thread pool. I could not figure out a fix except adding 
`Thread.sleep` to wait for these threads being killed automatically. That's why 
we can only observe OOM in REPL tests.




---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---

-
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org



[GitHub] spark issue #17833: [SPARK-20558][CORE] clear InheritableThreadLocal variabl...

2017-05-02 Thread sameeragarwal
Github user sameeragarwal commented on the issue:

https://github.com/apache/spark/pull/17833
  
LGTM


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---

-
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org



[GitHub] spark issue #17833: [SPARK-20558][CORE] clear InheritableThreadLocal variabl...

2017-05-02 Thread AmplabJenkins
Github user AmplabJenkins commented on the issue:

https://github.com/apache/spark/pull/17833
  
Test PASSed.
Refer to this link for build results (access rights to CI server needed): 
https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/76384/
Test PASSed.


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---

-
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org



[GitHub] spark issue #17833: [SPARK-20558][CORE] clear InheritableThreadLocal variabl...

2017-05-02 Thread AmplabJenkins
Github user AmplabJenkins commented on the issue:

https://github.com/apache/spark/pull/17833
  
Merged build finished. Test PASSed.


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---

-
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org



[GitHub] spark issue #17833: [SPARK-20558][CORE] clear InheritableThreadLocal variabl...

2017-05-02 Thread SparkQA
Github user SparkQA commented on the issue:

https://github.com/apache/spark/pull/17833
  
**[Test build #76384 has 
finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/76384/testReport)**
 for PR 17833 at commit 
[`310ad75`](https://github.com/apache/spark/commit/310ad753c594e272266689d760049cdc3b53e04c).
 * This patch passes all tests.
 * This patch merges cleanly.
 * This patch adds no public classes.


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---

-
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org



[GitHub] spark issue #17833: [SPARK-20558][CORE] clear InheritableThreadLocal variabl...

2017-05-02 Thread SparkQA
Github user SparkQA commented on the issue:

https://github.com/apache/spark/pull/17833
  
**[Test build #76384 has 
started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/76384/testReport)**
 for PR 17833 at commit 
[`310ad75`](https://github.com/apache/spark/commit/310ad753c594e272266689d760049cdc3b53e04c).


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---

-
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org



[GitHub] spark issue #17833: [SPARK-20558][CORE] clear InheritableThreadLocal variabl...

2017-05-02 Thread cloud-fan
Github user cloud-fan commented on the issue:

https://github.com/apache/spark/pull/17833
  
cc @JoshRosen @rxin @zsxwing 


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---

-
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org