{"action":"created","issue":{"url":"https://api.github.com/repos/Azure/azure-xplat-cli/issues/3182","repository_url":"https://api.github.com/repos/Azure/azure-xplat-cli","labels_url":"https://api.github.com/repos/Azure/azure-xplat-cli/issues/3182/labels{/name}","comments_url":"https://api.github.com/repos/Azure/azure-xplat-cli/issues/3182/comments","events_url":"https://api.github.com/repos/Azure/azure-xplat-cli/issues/3182/events","html_url":"https://github.com/Azure/azure-xplat-cli/issues/3182","id":178180218,"number":3182,"title":"Page Blob Upload is quite slow and doesn't skip zero'd bytes","user":{"login":"colemickens","id":327028,"avatar_url":"https://avatars.githubusercontent.com/u/327028?v=3","gravatar_id":"","url":"https://api.github.com/users/colemickens","html_url":"https://github.com/colemickens","followers_url":"https://api.github.com/users/colemickens/followers","following_url":"https://api.github.com/users/colemickens/following{/other_user}","gists_url":"https://api.github.com/users/colemickens/gists{/gist_id}","starred_url":"https://api.github.com/users/colemickens/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/colemickens/subscriptions","organizations_url":"https://api.github.com/users/colemickens/orgs","repos_url":"https://api.github.com/users/colemickens/repos","events_url":"https://api.github.com/users/colemickens/events{/privacy}","received_events_url":"https://api.github.com/users/colemickens/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/Azure/azure-xplat-cli/labels/Storage","name":"Storage","color":"DDDDDD"}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2016-09-20T21:06:26Z","updated_at":"2016-09-21T02:07:28Z","closed_at":null,"body":"version: 0.10.3 (node: 4.2.6)\r\n\r\nI thought this was fixed? Blob uploads are really, really, really slow. Much slower than my internet connection. Much slower than if I upload with `azurectl` and orders of magnitude slower than using `azure-vhd-utils` project.\r\n\r\n* Why is it so slow?\r\n\r\n* Why does it not automatically skip uploading zero'd sections of the blob?"},"comment":{"url":"https://api.github.com/repos/Azure/azure-xplat-cli/issues/comments/248490790","html_url":"https://github.com/Azure/azure-xplat-cli/issues/3182#issuecomment-248490790","issue_url":"https://api.github.com/repos/Azure/azure-xplat-cli/issues/3182","id":248490790,"user":{"login":"colemickens","id":327028,"avatar_url":"https://avatars.githubusercontent.com/u/327028?v=3","gravatar_id":"","url":"https://api.github.com/users/colemickens","html_url":"https://github.com/colemickens","followers_url":"https://api.github.com/users/colemickens/followers","following_url":"https://api.github.com/users/colemickens/following{/other_user}","gists_url":"https://api.github.com/users/colemickens/gists{/gist_id}","starred_url":"https://api.github.com/users/colemickens/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/colemickens/subscriptions","organizations_url":"https://api.github.com/users/colemickens/orgs","repos_url":"https://api.github.com/users/colemickens/repos","events_url":"https://api.github.com/users/colemickens/events{/privacy}","received_events_url":"https://api.github.com/users/colemickens/received_events","type":"User","site_admin":false},"created_at":"2016-09-21T02:07:28Z","updated_at":"2016-09-21T02:07:28Z","body":"1. I don't know how.\r\n\r\n2. Does the client actually skip over zero'd sections though? That's the exact optimization I'm talking about. The way the upload was proceeding... it very much felt like it was uploading all blocks, rather than just non-empty ones. Maybe I didn't wait long enough..."}}
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