{"action":"created","issue":{"url":"https://api.github.com/repos/zfsonlinux/zfs/issues/3115","labels_url":"https://api.github.com/repos/zfsonlinux/zfs/issues/3115/labels{/name}","comments_url":"https://api.github.com/repos/zfsonlinux/zfs/issues/3115/comments","events_url":"https://api.github.com/repos/zfsonlinux/zfs/issues/3115/events","html_url":"https://github.com/zfsonlinux/zfs/pull/3115","id":57993773,"number":3115,"title":"Lock contention on arcs mtx","user":{"login":"dweeezil","id":1432005,"avatar_url":"https://avatars.githubusercontent.com/u/1432005?v=3","gravatar_id":"","url":"https://api.github.com/users/dweeezil","html_url":"https://github.com/dweeezil","followers_url":"https://api.github.com/users/dweeezil/followers","following_url":"https://api.github.com/users/dweeezil/following{/other_user}","gists_url":"https://api.github.com/users/dweeezil/gists{/gist_id}","starred_url":"https://api.github.com/users/dweeezil/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dweeezil/subscriptions","organizations_url":"https://api.github.com/users/dweeezil/orgs","repos_url":"https://api.github.com/users/dweeezil/repos","events_url":"https://api.github.com/users/dweeezil/events{/privacy}","received_events_url":"https://api.github.com/users/dweeezil/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/zfsonlinux/zfs/labels/Bug%20-%20Major","name":"Bug - Major","color":"e11d21"},{"url":"https://api.github.com/repos/zfsonlinux/zfs/labels/Difficulty%20-%20Hard","name":"Difficulty - Hard","color":"207de5"}],"state":"open","locked":false,"assignee":null,"milestone":{"url":"https://api.github.com/repos/zfsonlinux/zfs/milestones/11","html_url":"https://github.com/zfsonlinux/zfs/milestones/0.7.0","labels_url":"https://api.github.com/repos/zfsonlinux/zfs/milestones/11/labels","id":7013,"number":11,"title":"0.7.0","description":"ZFS on Linux v0.7.0 - Memory management\r\n\r\n","creator":{"login":"behlendorf","id":148917,"avatar_url":"https://avatars.githubusercontent.com/u/148917?v=3","gravatar_id":"","url":"https://api.github.com/users/behlendorf","html_url":"https://github.com/behlendorf","followers_url":"https://api.github.com/users/behlendorf/followers","following_url":"https://api.github.com/users/behlendorf/following{/other_user}","gists_url":"https://api.github.com/users/behlendorf/gists{/gist_id}","starred_url":"https://api.github.com/users/behlendorf/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/behlendorf/subscriptions","organizations_url":"https://api.github.com/users/behlendorf/orgs","repos_url":"https://api.github.com/users/behlendorf/repos","events_url":"https://api.github.com/users/behlendorf/events{/privacy}","received_events_url":"https://api.github.com/users/behlendorf/received_events","type":"User","site_admin":false},"open_issues":77,"closed_issues":104,"state":"open","created_at":"2011-05-03T17:38:46Z","updated_at":"2015-06-01T21:21:22Z","due_on":null,"closed_at":null},"comments":100,"created_at":"2015-02-17T22:38:23Z","updated_at":"2015-06-11T00:30:53Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/zfsonlinux/zfs/pulls/3115","html_url":"https://github.com/zfsonlinux/zfs/pull/3115","diff_url":"https://github.com/zfsonlinux/zfs/pull/3115.diff","patch_url":"https://github.com/zfsonlinux/zfs/pull/3115.patch"},"body":"I'm posting this as a pull request now in order that it get some wider review and also that the buildbots get a chance to chew on it.\r\n\r\nI've given it some pretty intense testing, mainly with ```fio``` over the past few days and there don't seem to be any obvious regressions.\r\n\r\nI still consider this a work-in-progress.  The ```dbufs``` kstat still needs to be fixed but I don't expect that to be terribly difficult."},"comment":{"url":"https://api.github.com/repos/zfsonlinux/zfs/issues/comments/110954727","html_url":"https://github.com/zfsonlinux/zfs/pull/3115#issuecomment-110954727","issue_url":"https://api.github.com/repos/zfsonlinux/zfs/issues/3115","id":110954727,"user":{"login":"behlendorf","id":148917,"avatar_url":"https://avatars.githubusercontent.com/u/148917?v=3","gravatar_id":"","url":"https://api.github.com/users/behlendorf","html_url":"https://github.com/behlendorf","followers_url":"https://api.github.com/users/behlendorf/followers","following_url":"https://api.github.com/users/behlendorf/following{/other_user}","gists_url":"https://api.github.com/users/behlendorf/gists{/gist_id}","starred_url":"https://api.github.com/users/behlendorf/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/behlendorf/subscriptions","organizations_url":"https://api.github.com/users/behlendorf/orgs","repos_url":"https://api.github.com/users/behlendorf/repos","events_url":"https://api.github.com/users/behlendorf/events{/privacy}","received_events_url":"https://api.github.com/users/behlendorf/received_events","type":"User","site_admin":false},"created_at":"2015-06-11T00:30:53Z","updated_at":"2015-06-11T00:30:53Z","body":"@dweeezil sounds good.  I'll leave my tests running overnight as well and if everything still looks good in the morning I'll get this merged so we can pursue the other improvements."}}