{"action":"created","issue":{"url":"https://api.github.com/repos/apache/zeppelin/issues/2343","repository_url":"https://api.github.com/repos/apache/zeppelin","labels_url":"https://api.github.com/repos/apache/zeppelin/issues/2343/labels{/name}","comments_url":"https://api.github.com/repos/apache/zeppelin/issues/2343/comments","events_url":"https://api.github.com/repos/apache/zeppelin/issues/2343/events","html_url":"https://github.com/apache/zeppelin/pull/2343","id":228675065,"number":2343,"title":"[ZEPPELIN-2538] JDBC completer improvements for work with large meta","user":{"login":"tinkoff-dwh","id":25951039,"avatar_url":"https://avatars2.githubusercontent.com/u/25951039?v=3","gravatar_id":"","url":"https://api.github.com/users/tinkoff-dwh","html_url":"https://github.com/tinkoff-dwh","followers_url":"https://api.github.com/users/tinkoff-dwh/followers","following_url":"https://api.github.com/users/tinkoff-dwh/following{/other_user}","gists_url":"https://api.github.com/users/tinkoff-dwh/gists{/gist_id}","starred_url":"https://api.github.com/users/tinkoff-dwh/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tinkoff-dwh/subscriptions","organizations_url":"https://api.github.com/users/tinkoff-dwh/orgs","repos_url":"https://api.github.com/users/tinkoff-dwh/repos","events_url":"https://api.github.com/users/tinkoff-dwh/events{/privacy}","received_events_url":"https://api.github.com/users/tinkoff-dwh/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":4,"created_at":"2017-05-15T10:45:04Z","updated_at":"2017-05-25T02:29:46Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/apache/zeppelin/pulls/2343","html_url":"https://github.com/apache/zeppelin/pull/2343","diff_url":"https://github.com/apache/zeppelin/pull/2343.diff","patch_url":"https://github.com/apache/zeppelin/pull/2343.patch"},"body":"### What is this PR for?\r\nThere are some problems if meta is large (few schemas, each schema contains 500+ tables etc.).\r\nProblems:\r\n\r\n1. loading is very long\r\n2. each update takes one connection if updates are long, the situation may arise that the entire pool will be busy\r\n3. no cache\r\nThis PR solves these problems. Added cache and access by full path (schema.table, schema.table.column) + protection for release the connections\r\n\r\n\r\n### What type of PR is it?\r\nImprovement \r\n\r\n### What is the Jira issue?\r\nhttps://issues.apache.org/jira/browse/ZEPPELIN-2538\r\n\r\n### Screenshots (if appropriate)\r\n![peek 2017-05-15 15-03](https://cloud.githubusercontent.com/assets/25951039/26054252/4cef6980-3985-11e7-9719-e6138eb777f6.gif)\r\n\r\n\r\n### Questions:\r\n* Does the licenses files need update? no\r\n* Is there breaking changes for older versions? no\r\n* Does this needs documentation? no\r\n"},"comment":{"url":"https://api.github.com/repos/apache/zeppelin/issues/comments/303905452","html_url":"https://github.com/apache/zeppelin/pull/2343#issuecomment-303905452","issue_url":"https://api.github.com/repos/apache/zeppelin/issues/2343","id":303905452,"user":{"login":"astroshim","id":3348133,"avatar_url":"https://avatars1.githubusercontent.com/u/3348133?v=3","gravatar_id":"","url":"https://api.github.com/users/astroshim","html_url":"https://github.com/astroshim","followers_url":"https://api.github.com/users/astroshim/followers","following_url":"https://api.github.com/users/astroshim/following{/other_user}","gists_url":"https://api.github.com/users/astroshim/gists{/gist_id}","starred_url":"https://api.github.com/users/astroshim/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/astroshim/subscriptions","organizations_url":"https://api.github.com/users/astroshim/orgs","repos_url":"https://api.github.com/users/astroshim/repos","events_url":"https://api.github.com/users/astroshim/events{/privacy}","received_events_url":"https://api.github.com/users/astroshim/received_events","type":"User","site_admin":false},"created_at":"2017-05-25T02:29:46Z","updated_at":"2017-05-25T02:29:46Z","body":"@tinkoff-dwh Sorry it was my problem.\r\nTested and working good!"}}
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