{"action":"created","issue":{"url":"https://api.github.com/repos/pydata/pandas/issues/11722","labels_url":"https://api.github.com/repos/pydata/pandas/issues/11722/labels{/name}","comments_url":"https://api.github.com/repos/pydata/pandas/issues/11722/comments","events_url":"https://api.github.com/repos/pydata/pandas/issues/11722/events","html_url":"https://github.com/pydata/pandas/issues/11722","id":119452202,"number":11722,"title":" Large number of element use rolling_median twice or more","user":{"login":"qucrazy","id":16078247,"avatar_url":"https://avatars.githubusercontent.com/u/16078247?v=3","gravatar_id":"","url":"https://api.github.com/users/qucrazy","html_url":"https://github.com/qucrazy","followers_url":"https://api.github.com/users/qucrazy/followers","following_url":"https://api.github.com/users/qucrazy/following{/other_user}","gists_url":"https://api.github.com/users/qucrazy/gists{/gist_id}","starred_url":"https://api.github.com/users/qucrazy/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/qucrazy/subscriptions","organizations_url":"https://api.github.com/users/qucrazy/orgs","repos_url":"https://api.github.com/users/qucrazy/repos","events_url":"https://api.github.com/users/qucrazy/events{/privacy}","received_events_url":"https://api.github.com/users/qucrazy/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/pydata/pandas/labels/Numeric","name":"Numeric","color":"006b75"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":9,"created_at":"2015-11-30T09:32:43Z","updated_at":"2015-11-30T15:32:48Z","closed_at":null,"body":"I have a similiar issue with BUG #11697 but not same.\r\nThis issue is on win64. But  my macos is ok. \r\nVersion:\r\npython:2.7.10\r\npandas:0.17.1\r\nnumpy: 1.10.1\r\nI use the @ajspeck example.\r\n\r\n\r\nI got  the same error\r\n```\r\n  File \"pandas\\algos.pyx\", line 1586, in pandas.algos.roll_median_c (pandas\\algos.c:36408)\r\nMemoryError: skiplist_insert failed \r\n```\r\nwhen I used the follow code:\r\n```\r\nimport numpy as np\r\nimport pandas as pd\r\nn = 20000\r\npd.rolling_median(pd.Series(np.random.randn(n)), window=2, center=False)\r\npd.rolling_median(pd.Series(np.random.randn(n)), window=2, center=False)\r\n```\r\nwhile\r\n```\r\nimport numpy as np\r\nimport pandas as pd\r\nn=20000\r\npd.rolling_median(pd.Series(np.random.randn(n)), window=2, center=False)\r\n```\r\nworks fine.\r\n\r\nI found sum of n must  less than 25200\r\nI don't know the issue is the same to ajspeck's.And the change couldn't fix my issue.\r\nI guess the node is not destoried.\r\nThanks!"},"comment":{"url":"https://api.github.com/repos/pydata/pandas/issues/comments/160662288","html_url":"https://github.com/pydata/pandas/issues/11722#issuecomment-160662288","issue_url":"https://api.github.com/repos/pydata/pandas/issues/11722","id":160662288,"user":{"login":"qucrazy","id":16078247,"avatar_url":"https://avatars.githubusercontent.com/u/16078247?v=3","gravatar_id":"","url":"https://api.github.com/users/qucrazy","html_url":"https://github.com/qucrazy","followers_url":"https://api.github.com/users/qucrazy/followers","following_url":"https://api.github.com/users/qucrazy/following{/other_user}","gists_url":"https://api.github.com/users/qucrazy/gists{/gist_id}","starred_url":"https://api.github.com/users/qucrazy/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/qucrazy/subscriptions","organizations_url":"https://api.github.com/users/qucrazy/orgs","repos_url":"https://api.github.com/users/qucrazy/repos","events_url":"https://api.github.com/users/qucrazy/events{/privacy}","received_events_url":"https://api.github.com/users/qucrazy/received_events","type":"User","site_admin":false},"created_at":"2015-11-30T15:32:47Z","updated_at":"2015-11-30T15:32:47Z","body":"wow...I recompile again, and it works!\r\nperhaps,i made a mistake before.\r\nTHanks a lot!!! @kawochen "}}