{"action":"created","issue":{"url":"https://api.github.com/repos/scylladb/scylla/issues/1817","repository_url":"https://api.github.com/repos/scylladb/scylla","labels_url":"https://api.github.com/repos/scylladb/scylla/issues/1817/labels{/name}","comments_url":"https://api.github.com/repos/scylladb/scylla/issues/1817/comments","events_url":"https://api.github.com/repos/scylladb/scylla/issues/1817/events","html_url":"https://github.com/scylladb/scylla/issues/1817","id":187754026,"number":1817,"title":"[1.5.rc1] regression in write workload 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details*\r\nScylla version (or git commit hash): 1.5-rc1 AMI (ami-edf5d1fa)\r\nCluster size: \r\n3 - i2.2x\r\nLoaders : 4 - c4.large\r\nOS (RHEL/CentOS/Ubuntu/AWS AMI):\r\n\r\nrunning cassandra-stress\r\n```\r\ncassandra-stress write no-warmup cl=QUORUM duration=60m -schema 'replication(factor=3)' -port jmx=6868 -mode cql3 native -rate threads=1000 -errors ignore -pop seq=1..10000000 -node\r\n```\r\n\r\nthroughput:\r\n\r\nthe performance of 1.5 is ~25K-50K for the cluster (not including the peak at the start - before compactions start)\r\nthe performance for 1.4 is 70K-120K for the cluser (not including the peak at the start - before compactions start)\r\n\r\ncpu\r\n1.5 - 45-80 %\r\n1.4 - 88-99 %\r\n\r\n1.5-rc1\r\n[scylla-ami-1.5-rc1-write-workload.pdf](https://github.com/scylladb/scylla/files/575878/scylla-ami-1.5-rc1-write-workload.pdf)\r\n![1 5-rc1-1](https://cloud.githubusercontent.com/assets/3465480/20065108/9c8ff3ba-a515-11e6-9fc1-3548eaca5ee8.png)\r\n![1 5-rc1-2](https://cloud.githubusercontent.com/assets/3465480/20065107/9c8da394-a515-11e6-8375-0bf278f92ef9.png)\r\n\r\n1.4\r\n\r\n[scylla-ami-1.4-write-workload.pdf](https://github.com/scylladb/scylla/files/575877/scylla-ami-1.4-write-workload.pdf)\r\n\r\n![1 4-1](https://cloud.githubusercontent.com/assets/3465480/20065109/9c93cec2-a515-11e6-9a9f-e003a19ffa71.png)\r\n![1 4-2](https://cloud.githubusercontent.com/assets/3465480/20065110/9c964760-a515-11e6-9fd2-a3aabb75332b.png)\r\n\r\n\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/scylladb/scylla/issues/comments/260041217","html_url":"https://github.com/scylladb/scylla/issues/1817#issuecomment-260041217","issue_url":"https://api.github.com/repos/scylladb/scylla/issues/1817","id":260041217,"user":{"login":"glommer","id":331197,"avatar_url":"https://avatars.githubusercontent.com/u/331197?v=3","gravatar_id":"","url":"https://api.github.com/users/glommer","html_url":"https://github.com/glommer","followers_url":"https://api.github.com/users/glommer/followers","following_url":"https://api.github.com/users/glommer/following{/other_user}","gists_url":"https://api.github.com/users/glommer/gists{/gist_id}","starred_url":"https://api.github.com/users/glommer/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/glommer/subscriptions","organizations_url":"https://api.github.com/users/glommer/orgs","repos_url":"https://api.github.com/users/glommer/repos","events_url":"https://api.github.com/users/glommer/events{/privacy}","received_events_url":"https://api.github.com/users/glommer/received_events","type":"User","site_admin":false},"created_at":"2016-11-11T19:53:13Z","updated_at":"2016-11-11T19:53:13Z","body":"30 min in, still extremely stable. Now let me go do some root-cause analysis."}}
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