{"action":"created","issue":{"url":"https://api.github.com/repos/GoogleCloudPlatform/PerfKitBenchmarker/issues/246","labels_url":"https://api.github.com/repos/GoogleCloudPlatform/PerfKitBenchmarker/issues/246/labels{/name}","comments_url":"https://api.github.com/repos/GoogleCloudPlatform/PerfKitBenchmarker/issues/246/comments","events_url":"https://api.github.com/repos/GoogleCloudPlatform/PerfKitBenchmarker/issues/246/events","html_url":"https://github.com/GoogleCloudPlatform/PerfKitBenchmarker/issues/246","id":73345274,"number":246,"title":"Unable to run fio test on large memory EC2 instances","user":{"login":"hurtz","id":1283184,"avatar_url":"https://avatars.githubusercontent.com/u/1283184?v=3","gravatar_id":"","url":"https://api.github.com/users/hurtz","html_url":"https://github.com/hurtz","followers_url":"https://api.github.com/users/hurtz/followers","following_url":"https://api.github.com/users/hurtz/following{/other_user}","gists_url":"https://api.github.com/users/hurtz/gists{/gist_id}","starred_url":"https://api.github.com/users/hurtz/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hurtz/subscriptions","organizations_url":"https://api.github.com/users/hurtz/orgs","repos_url":"https://api.github.com/users/hurtz/repos","events_url":"https://api.github.com/users/hurtz/events{/privacy}","received_events_url":"https://api.github.com/users/hurtz/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/GoogleCloudPlatform/PerfKitBenchmarker/labels/bug","name":"bug","color":"fc2929"},{"url":"https://api.github.com/repos/GoogleCloudPlatform/PerfKitBenchmarker/labels/P1","name":"P1","color":"fef2c0"}],"state":"open","locked":false,"assignee":{"login":"stfeng","id":10470372,"avatar_url":"https://avatars.githubusercontent.com/u/10470372?v=3","gravatar_id":"","url":"https://api.github.com/users/stfeng","html_url":"https://github.com/stfeng","followers_url":"https://api.github.com/users/stfeng/followers","following_url":"https://api.github.com/users/stfeng/following{/other_user}","gists_url":"https://api.github.com/users/stfeng/gists{/gist_id}","starred_url":"https://api.github.com/users/stfeng/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/stfeng/subscriptions","organizations_url":"https://api.github.com/users/stfeng/orgs","repos_url":"https://api.github.com/users/stfeng/repos","events_url":"https://api.github.com/users/stfeng/events{/privacy}","received_events_url":"https://api.github.com/users/stfeng/received_events","type":"User","site_admin":false},"milestone":null,"comments":1,"created_at":"2015-05-05T15:25:48Z","updated_at":"2015-05-20T03:34:37Z","closed_at":null,"body":"I think I've found a bug where the fio tests won't complete on instances that have a large amount of memory. In this case, I'm using a 36vCPU / 60GiB RAM instance on EC2, cr1.8xlarge. Here is where it appears the failure happens:\r\n\r\n2015-05-04 20:27:14,819 f0012f2b MainThread fio(4/4) INFO     Running: /usr/bin/ssh -A -p 22 ubuntu@52.6.90.76 -2 -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o IdentitiesOnly=yes -o P                                                         referredAuthentications=publickey -o PasswordAuthentication=no -o ConnectTimeout=5 -o GSSAPIAuthenti                                                         cation=no -o ServerAliveInterval=30 -o ServerAliveCountMax=10 -i /tmp/perfkitbenchmarker/run_f0012f2b/perfkitbenchmarker_keyfile cat /proc/meminfo | grep MemTotal | awk '{print $2}'\r\n2015-05-04 20:27:15,533 f0012f2b MainThread fio(4/4) ERROR    /scratch0 must be larger than 10x memory\"\r\n"},"comment":{"url":"https://api.github.com/repos/GoogleCloudPlatform/PerfKitBenchmarker/issues/comments/103744655","html_url":"https://github.com/GoogleCloudPlatform/PerfKitBenchmarker/issues/246#issuecomment-103744655","issue_url":"https://api.github.com/repos/GoogleCloudPlatform/PerfKitBenchmarker/issues/246","id":103744655,"user":{"login":"voellm","id":5758832,"avatar_url":"https://avatars.githubusercontent.com/u/5758832?v=3","gravatar_id":"","url":"https://api.github.com/users/voellm","html_url":"https://github.com/voellm","followers_url":"https://api.github.com/users/voellm/followers","following_url":"https://api.github.com/users/voellm/following{/other_user}","gists_url":"https://api.github.com/users/voellm/gists{/gist_id}","starred_url":"https://api.github.com/users/voellm/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/voellm/subscriptions","organizations_url":"https://api.github.com/users/voellm/orgs","repos_url":"https://api.github.com/users/voellm/repos","events_url":"https://api.github.com/users/voellm/events{/privacy}","received_events_url":"https://api.github.com/users/voellm/received_events","type":"User","site_admin":false},"created_at":"2015-05-20T03:34:37Z","updated_at":"2015-05-20T03:34:37Z","body":"Assigning to Stanley to check this out....  since this bug was first opened we've revamped a log the the flags.\r\n\r\nHowever this message should likely be a warning vs error.  What its trying to do by asking for 10x more disk space than memory is to prevent caching.\r\n"}}