{"action":"closed","issue":{"url":"https://api.github.com/repos/netty/netty/issues/3888","labels_url":"https://api.github.com/repos/netty/netty/issues/3888/labels{/name}","comments_url":"https://api.github.com/repos/netty/netty/issues/3888/comments","events_url":"https://api.github.com/repos/netty/netty/issues/3888/events","html_url":"https://github.com/netty/netty/issues/3888","id":88708473,"number":3888,"title":"Number of PoolArena's should be 2 * cores","user":{"login":"normanmaurer","id":439362,"avatar_url":"https://avatars.githubusercontent.com/u/439362?v=3","gravatar_id":"","url":"https://api.github.com/users/normanmaurer","html_url":"https://github.com/normanmaurer","followers_url":"https://api.github.com/users/normanmaurer/followers","following_url":"https://api.github.com/users/normanmaurer/following{/other_user}","gists_url":"https://api.github.com/users/normanmaurer/gists{/gist_id}","starred_url":"https://api.github.com/users/normanmaurer/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/normanmaurer/subscriptions","organizations_url":"https://api.github.com/users/normanmaurer/orgs","repos_url":"https://api.github.com/users/normanmaurer/repos","events_url":"https://api.github.com/users/normanmaurer/events{/privacy}","received_events_url":"https://api.github.com/users/normanmaurer/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/netty/netty/labels/improvement","name":"improvement","color":"0052cc"}],"state":"closed","locked":false,"assignee":{"login":"normanmaurer","id":439362,"avatar_url":"https://avatars.githubusercontent.com/u/439362?v=3","gravatar_id":"","url":"https://api.github.com/users/normanmaurer","html_url":"https://github.com/normanmaurer","followers_url":"https://api.github.com/users/normanmaurer/followers","following_url":"https://api.github.com/users/normanmaurer/following{/other_user}","gists_url":"https://api.github.com/users/normanmaurer/gists{/gist_id}","starred_url":"https://api.github.com/users/normanmaurer/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/normanmaurer/subscriptions","organizations_url":"https://api.github.com/users/normanmaurer/orgs","repos_url":"https://api.github.com/users/normanmaurer/repos","events_url":"https://api.github.com/users/normanmaurer/events{/privacy}","received_events_url":"https://api.github.com/users/normanmaurer/received_events","type":"User","site_admin":false},"milestone":{"url":"https://api.github.com/repos/netty/netty/milestones/116","html_url":"https://github.com/netty/netty/milestones/4.0.29.Final","labels_url":"https://api.github.com/repos/netty/netty/milestones/116/labels","id":1091077,"number":116,"title":"4.0.29.Final","description":"","creator":{"login":"normanmaurer","id":439362,"avatar_url":"https://avatars.githubusercontent.com/u/439362?v=3","gravatar_id":"","url":"https://api.github.com/users/normanmaurer","html_url":"https://github.com/normanmaurer","followers_url":"https://api.github.com/users/normanmaurer/followers","following_url":"https://api.github.com/users/normanmaurer/following{/other_user}","gists_url":"https://api.github.com/users/normanmaurer/gists{/gist_id}","starred_url":"https://api.github.com/users/normanmaurer/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/normanmaurer/subscriptions","organizations_url":"https://api.github.com/users/normanmaurer/orgs","repos_url":"https://api.github.com/users/normanmaurer/repos","events_url":"https://api.github.com/users/normanmaurer/events{/privacy}","received_events_url":"https://api.github.com/users/normanmaurer/received_events","type":"User","site_admin":false},"open_issues":66,"closed_issues":57,"state":"open","created_at":"2015-04-30T13:26:30Z","updated_at":"2015-06-19T13:58:43Z","due_on":null,"closed_at":null},"comments":2,"created_at":"2015-06-16T12:10:23Z","updated_at":"2015-06-19T13:58:43Z","closed_at":"2015-06-19T13:58:43Z","body":"We use 2 * cores as the default number of EventLoop's for NIO and EPOLL, so we should do the same for the numbers of PoolArena's. This will reduce conditions.\r\n\r\njemalloc itself even use 4 * cpus:\r\nhttp://www.canonware.com/download/jemalloc/jemalloc-latest/doc/jemalloc.html\r\n\r\nRelated to:\r\n\r\nhttps://groups.google.com/d/msg/netty/J78updTXPTU/T6-i_O6Hxu4J\r\n\r\n"}}