{"action":"created","comment":{"url":"https://api.github.com/repos/apache/spark/pulls/comments/82846146","pull_request_review_id":3724566,"id":82846146,"diff_hunk":"@@ -506,8 +506,13 @@ See the [configuration page](configuration.html) for information on Spark config\n     since this configuration is just a upper limit and not a guaranteed amount.\n   </td>\n </tr>\n-\n-\n+<tr>\n+  <td><code>spark.mesos.fetchCache.enable</code></td>\n+  <td><code>false</code></td>\n+  <td>\n+    If set to `true`, all URIs (example: `spark.executor.uri`, `spark.mesos.uris`) will be eligible for caching by the [Mesos fetch cache](http://mesos.apache.org/documentation/latest/fetcher/)","path":"docs/running-on-mesos.md","position":10,"original_position":10,"commit_id":"54ae86b3ead20e206c1f8b05cb5cc3c39fd19ed3","original_commit_id":"54ae86b3ead20e206c1f8b05cb5cc3c39fd19ed3","user":{"login":"mgummelt","id":153734,"avatar_url":"https://avatars.githubusercontent.com/u/153734?v=3","gravatar_id":"","url":"https://api.github.com/users/mgummelt","html_url":"https://github.com/mgummelt","followers_url":"https://api.github.com/users/mgummelt/followers","following_url":"https://api.github.com/users/mgummelt/following{/other_user}","gists_url":"https://api.github.com/users/mgummelt/gists{/gist_id}","starred_url":"https://api.github.com/users/mgummelt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mgummelt/subscriptions","organizations_url":"https://api.github.com/users/mgummelt/orgs","repos_url":"https://api.github.com/users/mgummelt/repos","events_url":"https://api.github.com/users/mgummelt/events{/privacy}","received_events_url":"https://api.github.com/users/mgummelt/received_events","type":"User","site_admin":false},"body":"s/fetch/fetcher\r\n\r\ns/eligible for caching/cached (they're not just eligible, they are in fact cached)","created_at":"2016-10-11T17:31:24Z","updated_at":"2016-10-11T17:31:24Z","html_url":"https://github.com/apache/spark/pull/13713#discussion_r82846146","pull_request_url":"https://api.github.com/repos/apache/spark/pulls/13713","_links":{"self":{"href":"https://api.github.com/repos/apache/spark/pulls/comments/82846146"},"html":{"href":"https://github.com/apache/spark/pull/13713#discussion_r82846146"},"pull_request":{"href":"https://api.github.com/repos/apache/spark/pulls/13713"}}},"pull_request":{"url":"https://api.github.com/repos/apache/spark/pulls/13713","id":74126655,"html_url":"https://github.com/apache/spark/pull/13713","diff_url":"https://github.com/apache/spark/pull/13713.diff","patch_url":"https://github.com/apache/spark/pull/13713.patch","issue_url":"https://api.github.com/repos/apache/spark/issues/13713","number":13713,"state":"open","locked":false,"title":"[SPARK-15994] [MESOS] Allow enabling Mesos fetch cache in coarse executor backend","user":{"login":"drcrallen","id":8213081,"avatar_url":"https://avatars.githubusercontent.com/u/8213081?v=3","gravatar_id":"","url":"https://api.github.com/users/drcrallen","html_url":"https://github.com/drcrallen","followers_url":"https://api.github.com/users/drcrallen/followers","following_url":"https://api.github.com/users/drcrallen/following{/other_user}","gists_url":"https://api.github.com/users/drcrallen/gists{/gist_id}","starred_url":"https://api.github.com/users/drcrallen/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/drcrallen/subscriptions","organizations_url":"https://api.github.com/users/drcrallen/orgs","repos_url":"https://api.github.com/users/drcrallen/repos","events_url":"https://api.github.com/users/drcrallen/events{/privacy}","received_events_url":"https://api.github.com/users/drcrallen/received_events","type":"User","site_admin":false},"body":"Mesos 0.23.0 introduces a Fetch Cache feature http://mesos.apache.org/documentation/latest/fetcher/ which allows caching of resources specified in command URIs.\r\n\r\nThis patch:\r\n\r\n* Updates the Mesos shaded protobuf dependency to 0.23.0\r\n* Allows setting `spark.mesos.fetchCache.enable` to enable the fetch cache for all specified URIs. 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The cache setting is global to ALL URIs for the 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