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{"action":"created","issue":{"url":"https://api.github.com/repos/TGraphDB/temporal-storage/issues/18","repository_url":"https://api.github.com/repos/TGraphDB/temporal-storage","labels_url":"https://api.github.com/repos/TGraphDB/temporal-storage/issues/18/labels{/name}","comments_url":"https://api.github.com/repos/TGraphDB/temporal-storage/issues/18/comments","events_url":"https://api.github.com/repos/TGraphDB/temporal-storage/issues/18/events","html_url":"https://github.com/TGraphDB/temporal-storage/issues/18","id":513629115,"node_id":"MDU6SXNzdWU1MTM2MjkxMTU=","number":18,"title":"数据压缩","user":{"login":"songjinghe","id":3754416,"node_id":"MDQ6VXNlcjM3NTQ0MTY=","avatar_url":"https://avatars0.githubusercontent.com/u/3754416?v=4","gravatar_id":"","url":"https://api.github.com/users/songjinghe","html_url":"https://github.com/songjinghe","followers_url":"https://api.github.com/users/songjinghe/followers","following_url":"https://api.github.com/users/songjinghe/following{/other_user}","gists_url":"https://api.github.com/users/songjinghe/gists{/gist_id}","starred_url":"https://api.github.com/users/songjinghe/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/songjinghe/subscriptions","organizations_url":"https://api.github.com/users/songjinghe/orgs","repos_url":"https://api.github.com/users/songjinghe/repos","events_url":"https://api.github.com/users/songjinghe/events{/privacy}","received_events_url":"https://api.github.com/users/songjinghe/received_events","type":"User","site_admin":false},"labels":[{"id":256637348,"node_id":"MDU6TGFiZWwyNTY2MzczNDg=","url":"https://api.github.com/repos/TGraphDB/temporal-storage/labels/enhancement","name":"enhancement","color":"84b6eb","default":true}],"state":"open","locked":false,"assignee":{"login":"songjinghe","id":3754416,"node_id":"MDQ6VXNlcjM3NTQ0MTY=","avatar_url":"https://avatars0.githubusercontent.com/u/3754416?v=4","gravatar_id":"","url":"https://api.github.com/users/songjinghe","html_url":"https://github.com/songjinghe","followers_url":"https://api.github.com/users/songjinghe/followers","following_url":"https://api.github.com/users/songjinghe/following{/other_user}","gists_url":"https://api.github.com/users/songjinghe/gists{/gist_id}","starred_url":"https://api.github.com/users/songjinghe/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/songjinghe/subscriptions","organizations_url":"https://api.github.com/users/songjinghe/orgs","repos_url":"https://api.github.com/users/songjinghe/repos","events_url":"https://api.github.com/users/songjinghe/events{/privacy}","received_events_url":"https://api.github.com/users/songjinghe/received_events","type":"User","site_admin":false},"assignees":[{"login":"songjinghe","id":3754416,"node_id":"MDQ6VXNlcjM3NTQ0MTY=","avatar_url":"https://avatars0.githubusercontent.com/u/3754416?v=4","gravatar_id":"","url":"https://api.github.com/users/songjinghe","html_url":"https://github.com/songjinghe","followers_url":"https://api.github.com/users/songjinghe/followers","following_url":"https://api.github.com/users/songjinghe/following{/other_user}","gists_url":"https://api.github.com/users/songjinghe/gists{/gist_id}","starred_url":"https://api.github.com/users/songjinghe/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/songjinghe/subscriptions","organizations_url":"https://api.github.com/users/songjinghe/orgs","repos_url":"https://api.github.com/users/songjinghe/repos","events_url":"https://api.github.com/users/songjinghe/events{/privacy}","received_events_url":"https://api.github.com/users/songjinghe/received_events","type":"User","site_admin":false}],"milestone":null,"comments":0,"created_at":"2019-10-29T00:34:30Z","updated_at":"2019-10-30T08:56:56Z","closed_at":null,"author_association":"COLLABORATOR","body":"storage应该只压缩key，不压缩value，value交给上层去压缩\r\n\r\n开启Key的Snappy压缩的话，写入200万×12行数据大小约4.94GB（数据0.51GB）\r\n不压缩key的话，大约是5.76GB（日志4.43GB，数据1.33GB）压缩到原来的一半。"},"comment":{"url":"https://api.github.com/repos/TGraphDB/temporal-storage/issues/comments/547799643","html_url":"https://github.com/TGraphDB/temporal-storage/issues/18#issuecomment-547799643","issue_url":"https://api.github.com/repos/TGraphDB/temporal-storage/issues/18","id":547799643,"node_id":"MDEyOklzc3VlQ29tbWVudDU0Nzc5OTY0Mw==","user":{"login":"songjinghe","id":3754416,"node_id":"MDQ6VXNlcjM3NTQ0MTY=","avatar_url":"https://avatars0.githubusercontent.com/u/3754416?v=4","gravatar_id":"","url":"https://api.github.com/users/songjinghe","html_url":"https://github.com/songjinghe","followers_url":"https://api.github.com/users/songjinghe/followers","following_url":"https://api.github.com/users/songjinghe/following{/other_user}","gists_url":"https://api.github.com/users/songjinghe/gists{/gist_id}","starred_url":"https://api.github.com/users/songjinghe/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/songjinghe/subscriptions","organizations_url":"https://api.github.com/users/songjinghe/orgs","repos_url":"ht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