{"action":"created","issue":{"url":"https://api.github.com/repos/CARTAvis/nrao-carta-backend/issues/42","repository_url":"https://api.github.com/repos/CARTAvis/nrao-carta-backend","labels_url":"https://api.github.com/repos/CARTAvis/nrao-carta-backend/issues/42/labels{/name}","comments_url":"https://api.github.com/repos/CARTAvis/nrao-carta-backend/issues/42/comments","events_url":"https://api.github.com/repos/CARTAvis/nrao-carta-backend/issues/42/events","html_url":"https://github.com/CARTAvis/nrao-carta-backend/issues/42","id":393389623,"node_id":"MDU6SXNzdWUzOTMzODk2MjM=","number":42,"title":"memory leak when calculating cube histogram","user":{"login":"veggiesaurus","id":592504,"node_id":"MDQ6VXNlcjU5MjUwNA==","avatar_url":"https://avatars2.githubusercontent.com/u/592504?v=4","gravatar_id":"","url":"https://api.github.com/users/veggiesaurus","html_url":"https://github.com/veggiesaurus","followers_url":"https://api.github.com/users/veggiesaurus/followers","following_url":"https://api.github.com/users/veggiesaurus/following{/other_user}","gists_url":"https://api.github.com/users/veggiesaurus/gists{/gist_id}","starred_url":"https://api.github.com/users/veggiesaurus/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/veggiesaurus/subscriptions","organizations_url":"https://api.github.com/users/veggiesaurus/orgs","repos_url":"https://api.github.com/users/veggiesaurus/repos","events_url":"https://api.github.com/users/veggiesaurus/events{/privacy}","received_events_url":"https://api.github.com/users/veggiesaurus/received_events","type":"User","site_admin":false},"labels":[{"id":1116270900,"node_id":"MDU6TGFiZWwxMTE2MjcwOTAw","url":"https://api.github.com/repos/CARTAvis/nrao-carta-backend/labels/bug","name":"bug","color":"d73a4a","default":true}],"state":"closed","locked":false,"assignee":{"login":"pford","id":856604,"node_id":"MDQ6VXNlcjg1NjYwNA==","avatar_url":"https://avatars1.githubusercontent.com/u/856604?v=4","gravatar_id":"","url":"https://api.github.com/users/pford","html_url":"https://github.com/pford","followers_url":"https://api.github.com/users/pford/followers","following_url":"https://api.github.com/users/pford/following{/other_user}","gists_url":"https://api.github.com/users/pford/gists{/gist_id}","starred_url":"https://api.github.com/users/pford/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pford/subscriptions","organizations_url":"https://api.github.com/users/pford/orgs","repos_url":"https://api.github.com/users/pford/repos","events_url":"https://api.github.com/users/pford/events{/privacy}","received_events_url":"https://api.github.com/users/pford/received_events","type":"User","site_admin":false},"assignees":[{"login":"pford","id":856604,"node_id":"MDQ6VXNlcjg1NjYwNA==","avatar_url":"https://avatars1.githubusercontent.com/u/856604?v=4","gravatar_id":"","url":"https://api.github.com/users/pford","html_url":"https://github.com/pford","followers_url":"https://api.github.com/users/pford/followers","following_url":"https://api.github.com/users/pford/following{/other_user}","gists_url":"https://api.github.com/users/pford/gists{/gist_id}","starred_url":"https://api.github.com/users/pford/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pford/subscriptions","organizations_url":"https://api.github.com/users/pford/orgs","repos_url":"https://api.github.com/users/pford/repos","events_url":"https://api.github.com/users/pford/events{/privacy}","received_events_url":"https://api.github.com/users/pford/received_events","type":"User","site_admin":false}],"milestone":null,"comments":2,"created_at":"2018-12-21T09:42:42Z","updated_at":"2018-12-26T23:11:07Z","closed_at":"2018-12-26T23:11:07Z","author_association":"COLLABORATOR","body":"(possibly related to #41)\r\n\r\nRequesting a cube histogram results in a memory leak. Tested with the latest ubuntu appimage.\r\n\r\nTo reproduce: \r\n- Open appimage. `carta_backend` starts with roughly 6 MB of memory utilised\r\n- Load `supermosaic.10.fits`. `carta_backend` memory usage increases to around 66 MB\r\n- Switch to a cube histogram. During the calculation, memory usage increases to around 2.9 GB"},"comment":{"url":"https://api.github.com/repos/CARTAvis/nrao-carta-backend/issues/comments/450039308","html_url":"https://github.com/CARTAvis/nrao-carta-backend/issues/42#issuecomment-450039308","issue_url":"https://api.github.com/repos/CARTAvis/nrao-carta-backend/issues/42","id":450039308,"node_id":"MDEyOklzc3VlQ29tbWVudDQ1MDAzOTMwOA==","user":{"login":"pford","id":856604,"node_id":"MDQ6VXNlcjg1NjYwNA==","avatar_url":"https://avatars1.githubusercontent.com/u/856604?v=4","gravatar_id":"","url":"https://api.github.com/users/pford","html_url":"https://github.com/pford","followers_url":"https://api.github.com/users/pford/followers","following_url":"https://api.github.com/users/pford/following{/other_user}","gists_url":"https://api.github.com/users/pford/gists{/gist_id}","starred_url":"https://api.github.com/users/pford/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pford/subscriptions","organizations_url":"https://api.github.com/users/pford/orgs","repos_url":"https://api.github.com/users/pford/repos","events_url":"https://api.github.com/users/pford/events{/privacy}","received_events_url":"https://api.github.com/users/pford/received_events","type":"User","site_admin":false},"created_at":"2018-12-26T23:11:07Z","updated_at":"2018-12-26T23:11:07Z","author_association":"COLLABORATOR","body":"After the changes in pull request #44, on macOSX Activity Monitor the backend memory usage for supermosaic cube histogram remained at 71.4 MB while loading, then returned to 42.1 MB when done."}}
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