Add a note for context termination for History server on Yarn #4721
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The history server on Yarn only shows completed jobs. This adds a note concerning the needed explicit context termination at the end of a spark job which is a best practice anyway. Related to SPARK-2972 and SPARK-3458
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Can one of the admins verify this patch? |
| @@ -150,6 +150,8 @@ follows: | |||
| Note that in all of these UIs, the tables are sortable by clicking their headers, | |||
| making it easy to identify slow tasks, data skew, etc. | |||
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| In Yarn, note that the history server only displays completed Spark jobs. One way to signal the completion of a Spark job is to stop the Spark Context explicitly (`sc.stop()`), or in Python using the `with SparkContext() as sc:` to handle the Spark Context setup and tear down, and still show the job history on the UI. | |||
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Nit: Yarn -> YARN. Could someone closer to the history server verify this is true?
Fix upper case typo for YARN
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Yeah, this looks fine. LGTM I'm merging into master, 1.3 and all the way through to 1.0. |
| @@ -150,6 +150,8 @@ follows: | |||
| Note that in all of these UIs, the tables are sortable by clicking their headers, | |||
| making it easy to identify slow tasks, data skew, etc. | |||
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| In YARN, note that the history server only displays completed Spark jobs. One way to signal the completion of a Spark job is to stop the Spark Context explicitly (`sc.stop()`), or in Python using the `with SparkContext() as sc:` to handle the Spark Context setup and tear down, and still show the job history on the UI. | |||
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Actually, this is true not only in YARN. I will fix this myself when I merge
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The history server on Yarn only shows completed jobs. This adds a note concerning the needed explicit context termination at the end of a spark job which is a best practice anyway. Related to SPARK-2972 and SPARK-3458 Author: moussa taifi <[email protected]> Closes #4721 from moutai/add-history-server-note-for-closing-the-spark-context and squashes the following commits: 9f5b6c3 [moussa taifi] Fix upper case typo for YARN 3ad3db4 [moussa taifi] Add context termination for History server on Yarn (cherry picked from commit c871e2d) Signed-off-by: Andrew Or <[email protected]>
asfgit
pushed a commit
that referenced
this pull request
Feb 26, 2015
The history server on Yarn only shows completed jobs. This adds a note concerning the needed explicit context termination at the end of a spark job which is a best practice anyway. Related to SPARK-2972 and SPARK-3458 Author: moussa taifi <[email protected]> Closes #4721 from moutai/add-history-server-note-for-closing-the-spark-context and squashes the following commits: 9f5b6c3 [moussa taifi] Fix upper case typo for YARN 3ad3db4 [moussa taifi] Add context termination for History server on Yarn (cherry picked from commit c871e2d) Signed-off-by: Andrew Or <[email protected]>
asfgit
pushed a commit
that referenced
this pull request
Feb 26, 2015
The history server on Yarn only shows completed jobs. This adds a note concerning the needed explicit context termination at the end of a spark job which is a best practice anyway. Related to SPARK-2972 and SPARK-3458 Author: moussa taifi <[email protected]> Closes #4721 from moutai/add-history-server-note-for-closing-the-spark-context and squashes the following commits: 9f5b6c3 [moussa taifi] Fix upper case typo for YARN 3ad3db4 [moussa taifi] Add context termination for History server on Yarn (cherry picked from commit c871e2d) Signed-off-by: Andrew Or <[email protected]>
asfgit
pushed a commit
that referenced
this pull request
Feb 26, 2015
The history server on Yarn only shows completed jobs. This adds a note concerning the needed explicit context termination at the end of a spark job which is a best practice anyway. Related to SPARK-2972 and SPARK-3458 Author: moussa taifi <[email protected]> Closes #4721 from moutai/add-history-server-note-for-closing-the-spark-context and squashes the following commits: 9f5b6c3 [moussa taifi] Fix upper case typo for YARN 3ad3db4 [moussa taifi] Add context termination for History server on Yarn (cherry picked from commit c871e2d) Signed-off-by: Andrew Or <[email protected]>
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The history server on Yarn only shows completed jobs. This adds a note concerning the needed explicit context termination at the end of a spark job which is a best practice anyway.
Related to SPARK-2972 and SPARK-3458