{"action":"created","issue":{"url":"https://api.github.com/repos/apache/spark/issues/18224","repository_url":"https://api.github.com/repos/apache/spark","labels_url":"https://api.github.com/repos/apache/spark/issues/18224/labels{/name}","comments_url":"https://api.github.com/repos/apache/spark/issues/18224/comments","events_url":"https://api.github.com/repos/apache/spark/issues/18224/events","html_url":"https://github.com/apache/spark/pull/18224","id":234093179,"number":18224,"title":"[SPARK-20935][STREAMING] Always close WriteAheadLog and make it idempotent","user":{"login":"HyukjinKwon","id":6477701,"avatar_url":"https://avatars3.githubusercontent.com/u/6477701?v=3","gravatar_id":"","url":"https://api.github.com/users/HyukjinKwon","html_url":"https://github.com/HyukjinKwon","followers_url":"https://api.github.com/users/HyukjinKwon/followers","following_url":"https://api.github.com/users/HyukjinKwon/following{/other_user}","gists_url":"https://api.github.com/users/HyukjinKwon/gists{/gist_id}","starred_url":"https://api.github.com/users/HyukjinKwon/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/HyukjinKwon/subscriptions","organizations_url":"https://api.github.com/users/HyukjinKwon/orgs","repos_url":"https://api.github.com/users/HyukjinKwon/repos","events_url":"https://api.github.com/users/HyukjinKwon/events{/privacy}","received_events_url":"https://api.github.com/users/HyukjinKwon/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":5,"created_at":"2017-06-07T05:01:13Z","updated_at":"2017-06-10T11:24:25Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/apache/spark/pulls/18224","html_url":"https://github.com/apache/spark/pull/18224","diff_url":"https://github.com/apache/spark/pull/18224.diff","patch_url":"https://github.com/apache/spark/pull/18224.patch"},"body":"## What changes were proposed in this pull request?\r\n\r\nThis PR proposes to stop `ReceiverTracker` to close `WriteAheadLog` whenever it is and make `WriteAheadLog` and its implementations idempotent.\r\n\r\n## How was this patch tested?\r\n\r\nAdded a test in `WriteAheadLogSuite`. Note that  the added test looks passing even if it closes twice (namely even without the changes in `FileBasedWriteAheadLog` and `BatchedWriteAheadLog`. It looks both are already idempotent but this is a rather sanity check. "},"comment":{"url":"https://api.github.com/repos/apache/spark/issues/comments/307559324","html_url":"https://github.com/apache/spark/pull/18224#issuecomment-307559324","issue_url":"https://api.github.com/repos/apache/spark/issues/18224","id":307559324,"user":{"login":"AmplabJenkins","id":4031291,"avatar_url":"https://avatars0.githubusercontent.com/u/4031291?v=3","gravatar_id":"","url":"https://api.github.com/users/AmplabJenkins","html_url":"https://github.com/AmplabJenkins","followers_url":"https://api.github.com/users/AmplabJenkins/followers","following_url":"https://api.github.com/users/AmplabJenkins/following{/other_user}","gists_url":"https://api.github.com/users/AmplabJenkins/gists{/gist_id}","starred_url":"https://api.github.com/users/AmplabJenkins/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/AmplabJenkins/subscriptions","organizations_url":"https://api.github.com/users/AmplabJenkins/orgs","repos_url":"https://api.github.com/users/AmplabJenkins/repos","events_url":"https://api.github.com/users/AmplabJenkins/events{/privacy}","received_events_url":"https://api.github.com/users/AmplabJenkins/received_events","type":"User","site_admin":false},"created_at":"2017-06-10T11:24:25Z","updated_at":"2017-06-10T11:24:25Z","body":"Merged build finished. Test PASSed."}}
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