{"action":"created","issue":{"url":"https://api.github.com/repos/oklog/oklog/issues/7","repository_url":"https://api.github.com/repos/oklog/oklog","labels_url":"https://api.github.com/repos/oklog/oklog/issues/7/labels{/name}","comments_url":"https://api.github.com/repos/oklog/oklog/issues/7/comments","events_url":"https://api.github.com/repos/oklog/oklog/issues/7/events","html_url":"https://github.com/oklog/oklog/issues/7","id":201028560,"node_id":"MDU6SXNzdWUyMDEwMjg1NjA=","number":7,"title":"store: implement segment compression","user":{"login":"peterbourgon","id":114509,"node_id":"MDQ6VXNlcjExNDUwOQ==","avatar_url":"https://avatars2.githubusercontent.com/u/114509?v=4","gravatar_id":"","url":"https://api.github.com/users/peterbourgon","html_url":"https://github.com/peterbourgon","followers_url":"https://api.github.com/users/peterbourgon/followers","following_url":"https://api.github.com/users/peterbourgon/following{/other_user}","gists_url":"https://api.github.com/users/peterbourgon/gists{/gist_id}","starred_url":"https://api.github.com/users/peterbourgon/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/peterbourgon/subscriptions","organizations_url":"https://api.github.com/users/peterbourgon/orgs","repos_url":"https://api.github.com/users/peterbourgon/repos","events_url":"https://api.github.com/users/peterbourgon/events{/privacy}","received_events_url":"https://api.github.com/users/peterbourgon/received_events","type":"User","site_admin":false},"labels":[{"id":514558971,"node_id":"MDU6TGFiZWw1MTQ1NTg5NzE=","url":"https://api.github.com/repos/oklog/oklog/labels/enhancement","name":"enhancement","color":"84b6eb","default":true},{"id":514558972,"node_id":"MDU6TGFiZWw1MTQ1NTg5NzI=","url":"https://api.github.com/repos/oklog/oklog/labels/help%20wanted","name":"help wanted","color":"128A0C","default":true}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2017-01-16T14:11:01Z","updated_at":"2018-06-28T18:22:08Z","closed_at":null,"author_association":"MEMBER","body":"We did a spike trying out LZ4 compression of segment files, which didn't exactly work out. We should try that again: compressing segment files on disk. The main goal is to increase retention periods, but we may be able to speed up queries, too, if we compress to clients."},"comment":{"url":"https://api.github.com/repos/oklog/oklog/issues/comments/401128047","html_url":"https://github.com/oklog/oklog/issues/7#issuecomment-401128047","issue_url":"https://api.github.com/repos/oklog/oklog/issues/7","id":401128047,"node_id":"MDEyOklzc3VlQ29tbWVudDQwMTEyODA0Nw==","user":{"login":"peterbourgon","id":114509,"node_id":"MDQ6VXNlcjExNDUwOQ==","avatar_url":"https://avatars2.githubusercontent.com/u/114509?v=4","gravatar_id":"","url":"https://api.github.com/users/peterbourgon","html_url":"https://github.com/peterbourgon","followers_url":"https://api.github.com/users/peterbourgon/followers","following_url":"https://api.github.com/users/peterbourgon/following{/other_user}","gists_url":"https://api.github.com/users/peterbourgon/gists{/gist_id}","starred_url":"https://api.github.com/users/peterbourgon/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/peterbourgon/subscriptions","organizations_url":"https://api.github.com/users/peterbourgon/orgs","repos_url":"https://api.github.com/users/peterbourgon/repos","events_url":"https://api.github.com/users/peterbourgon/events{/privacy}","received_events_url":"https://api.github.com/users/peterbourgon/received_events","type":"User","site_admin":false},"created_at":"2018-06-28T18:22:08Z","updated_at":"2018-06-28T18:22:08Z","author_association":"MEMBER","body":"We tried pushing segments thru LZ4 before and after disk writes and reads respectively, it cost too much CPU and didn't reduce size very much."}}
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