{"action":"created","issue":{"url":"https://api.github.com/repos/ntop/ntopng/issues/766","repository_url":"https://api.github.com/repos/ntop/ntopng","labels_url":"https://api.github.com/repos/ntop/ntopng/issues/766/labels{/name}","comments_url":"https://api.github.com/repos/ntop/ntopng/issues/766/comments","events_url":"https://api.github.com/repos/ntop/ntopng/issues/766/events","html_url":"https://github.com/ntop/ntopng/issues/766","id":179503703,"number":766,"title":"Historic data just stopped accumulating","user":{"login":"nate-byrnes","id":19349744,"avatar_url":"https://avatars.githubusercontent.com/u/19349744?v=3","gravatar_id":"","url":"https://api.github.com/users/nate-byrnes","html_url":"https://github.com/nate-byrnes","followers_url":"https://api.github.com/users/nate-byrnes/followers","following_url":"https://api.github.com/users/nate-byrnes/following{/other_user}","gists_url":"https://api.github.com/users/nate-byrnes/gists{/gist_id}","starred_url":"https://api.github.com/users/nate-byrnes/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nate-byrnes/subscriptions","organizations_url":"https://api.github.com/users/nate-byrnes/orgs","repos_url":"https://api.github.com/users/nate-byrnes/repos","events_url":"https://api.github.com/users/nate-byrnes/events{/privacy}","received_events_url":"https://api.github.com/users/nate-byrnes/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2016-09-27T14:08:51Z","updated_at":"2016-09-27T14:15:06Z","closed_at":null,"body":"In short, ntopng, after running for a period of time, stops recording historical data. I can leave it in its present not recording data state for someone to take a look at it if that is useful, but I'd like to get back to recording data soon.\r\n\r\nHaving reported this issue a few times in the past, I'm hoping I've ruled out all prior causes of this issue in this instance. I have confirmed disk space is not low (22G free, ntopng BTW creates some massive logs...).  I've recently identified a pattern via my monitoring of the ntopng process that indicates the issue was taking place. When I start to observe large fluctuations in what my monitoring system records as the maximum user time any of the threads in the ntopng process,I know that the historic data has stopped being written. If I restart ntopng, the data starts being recorded again. Here is a graph of the measurement in question. The yellow highlighted areas indicate the time period when ntopng **is** saving the historic data. \r\n![shot-2016-09-27_09-59-49](https://cloud.githubusercontent.com/assets/19349744/18877032/e6dc9a46-8499-11e6-87f3-1b7ecc1b0ff4.png)\r\n"},"comment":{"url":"https://api.github.com/repos/ntop/ntopng/issues/comments/249877671","html_url":"https://github.com/ntop/ntopng/issues/766#issuecomment-249877671","issue_url":"https://api.github.com/repos/ntop/ntopng/issues/766","id":249877671,"user":{"login":"nate-byrnes","id":19349744,"avatar_url":"https://avatars.githubusercontent.com/u/19349744?v=3","gravatar_id":"","url":"https://api.github.com/users/nate-byrnes","html_url":"https://github.com/nate-byrnes","followers_url":"https://api.github.com/users/nate-byrnes/followers","following_url":"https://api.github.com/users/nate-byrnes/following{/other_user}","gists_url":"https://api.github.com/users/nate-byrnes/gists{/gist_id}","starred_url":"https://api.github.com/users/nate-byrnes/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nate-byrnes/subscriptions","organizations_url":"https://api.github.com/users/nate-byrnes/orgs","repos_url":"https://api.github.com/users/nate-byrnes/repos","events_url":"https://api.github.com/users/nate-byrnes/events{/privacy}","received_events_url":"https://api.github.com/users/nate-byrnes/received_events","type":"User","site_admin":false},"created_at":"2016-09-27T14:15:06Z","updated_at":"2016-09-27T14:15:06Z","body":"I am running ntopng Pro [Small Business Edition] v.2.5.160822. Remote access is available under the same credentials last shared with @simonemainardi \r\n\r\nI'm happy to provide more information. Please just let me know what is needed.\r\n\r\nHere is the corresponding free space of the filesystem ntopng is writing to over the same timeperiod illustrated above. \r\n\r\n![shot-2016-09-27_10-10-52](https://cloud.githubusercontent.com/assets/19349744/18877303/d67f820c-849a-11e6-922f-8c4fdfa975f8.png)\r\n"}}
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