{"action":"created","issue":{"url":"https://api.github.com/repos/ceph/ceph/issues/23273","repository_url":"https://api.github.com/repos/ceph/ceph","labels_url":"https://api.github.com/repos/ceph/ceph/issues/23273/labels{/name}","comments_url":"https://api.github.com/repos/ceph/ceph/issues/23273/comments","events_url":"https://api.github.com/repos/ceph/ceph/issues/23273/events","html_url":"https://github.com/ceph/ceph/pull/23273","id":344976882,"node_id":"MDExOlB1bGxSZXF1ZXN0MjA0MjQ0NDM0","number":23273,"title":"os/bluestore: handle spurious read errors","user":{"login":"emmericp","id":8938753,"node_id":"MDQ6VXNlcjg5Mzg3NTM=","avatar_url":"https://avatars1.githubusercontent.com/u/8938753?v=4","gravatar_id":"","url":"https://api.github.com/users/emmericp","html_url":"https://github.com/emmericp","followers_url":"https://api.github.com/users/emmericp/followers","following_url":"https://api.github.com/users/emmericp/following{/other_user}","gists_url":"https://api.github.com/users/emmericp/gists{/gist_id}","starred_url":"https://api.github.com/users/emmericp/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/emmericp/subscriptions","organizations_url":"https://api.github.com/users/emmericp/orgs","repos_url":"https://api.github.com/users/emmericp/repos","events_url":"https://api.github.com/users/emmericp/events{/privacy}","received_events_url":"https://api.github.com/users/emmericp/received_events","type":"User","site_admin":false},"labels":[{"id":385981601,"node_id":"MDU6TGFiZWwzODU5ODE2MDE=","url":"https://api.github.com/repos/ceph/ceph/labels/bluestore","name":"bluestore","color":"0066ff","default":false},{"id":134774049,"node_id":"MDU6TGFiZWwxMzQ3NzQwNDk=","url":"https://api.github.com/repos/ceph/ceph/labels/bug%20fix","name":"bug fix","color":"ac0000","default":false},{"id":148431321,"node_id":"MDU6TGFiZWwxNDg0MzEzMjE=","url":"https://api.github.com/repos/ceph/ceph/labels/needs-qa","name":"needs-qa","color":"fad8c7","default":false},{"id":219859248,"node_id":"MDU6TGFiZWwyMTk4NTkyNDg=","url":"https://api.github.com/repos/ceph/ceph/labels/wip-kefu-testing","name":"wip-kefu-testing","color":"bfdadc","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":19,"created_at":"2018-07-26T19:33:11Z","updated_at":"2018-09-11T12:15:27Z","closed_at":null,"author_association":"CONTRIBUTOR","pull_request":{"url":"https://api.github.com/repos/ceph/ceph/pulls/23273","html_url":"https://github.com/ceph/ceph/pull/23273","diff_url":"https://github.com/ceph/ceph/pull/23273.diff","patch_url":"https://github.com/ceph/ceph/pull/23273.patch"},"body":"Some kernels (4.9+) sometime fail to return data when reading\r\nfrom a block device under memory pressure. This patch retries\r\nthe read if the checksum verification fails, tests show that\r\nthe first retried read succeeds in ~99.5% of the cases, so\r\n3 attempts are made before giving up on the data.\r\n\r\nWorks-around: http://tracker.ceph.com/issues/22464\r\nSigned-off-by: Paul Emmerich <paul.emmerich@croit.io>"},"comment":{"url":"https://api.github.com/repos/ceph/ceph/issues/comments/420252664","html_url":"https://github.com/ceph/ceph/pull/23273#issuecomment-420252664","issue_url":"https://api.github.com/repos/ceph/ceph/issues/23273","id":420252664,"node_id":"MDEyOklzc3VlQ29tbWVudDQyMDI1MjY2NA==","user":{"login":"tchaikov","id":59071,"node_id":"MDQ6VXNlcjU5MDcx","avatar_url":"https://avatars2.githubusercontent.com/u/59071?v=4","gravatar_id":"","url":"https://api.github.com/users/tchaikov","html_url":"https://github.com/tchaikov","followers_url":"https://api.github.com/users/tchaikov/followers","following_url":"https://api.github.com/users/tchaikov/following{/other_user}","gists_url":"https://api.github.com/users/tchaikov/gists{/gist_id}","starred_url":"https://api.github.com/users/tchaikov/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tchaikov/subscriptions","organizations_url":"https://api.github.com/users/tchaikov/orgs","repos_url":"https://api.github.com/users/tchaikov/repos","events_url":"https://api.github.com/users/tchaikov/events{/privacy}","received_events_url":"https://api.github.com/users/tchaikov/received_events","type":"User","site_admin":false},"created_at":"2018-09-11T12:15:27Z","updated_at":"2018-09-11T12:15:27Z","author_association":"CONTRIBUTOR","body":"- http://pulpito.ceph.com/kchai-2018-09-10_07:18:46-rados-wip-kefu-testing-2018-09-10-1219-distro-basic-mira/\r\n- http://pulpito.ceph.com/kchai-2018-09-11_07:48:23-rados-wip-kefu-testing-2018-09-10-1219-distro-basic-mira/\r\n- http://pulpito.ceph.com/kchai-2018-09-11_09:51:05-rados-wip-kefu-testing-2018-09-10-1219-distro-basic-mira/\r\n- http://pulpito.ceph.com/kchai-2018-09-11_11:46:31-rados-wip-kefu-testing-2018-09-10-1219-distro-basic-mira/\r\n- http://pulpito.ceph.com/kchai-2018-09-11_12:12:46-rados-wip-kefu-testing-2018-09-10-1219-distro-basic-mira/"}}
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