)]}'
{"/COMMIT_MSG":[{"author":{"_account_id":9708,"name":"Balazs Gibizer","display_name":"gibi","email":"gibizer@gmail.com","username":"gibi"},"change_message_id":"9f0cc94618a5f0f290febcddfbed3233eaf5013d","unresolved":false,"context_lines":[{"line_number":14,"context_line":"the projects including nova had started to model nested resource"},{"line_number":15,"context_line":"providers, but this was backported because of the perfomance issue."},{"line_number":16,"context_line":""},{"line_number":17,"context_line":"When scheduling an instance, getting allocation candidates were slow."},{"line_number":18,"context_line":"This was because the scheduler\u0027s placement client used older"},{"line_number":19,"context_line":"microversion ``1.25`` where placement had to filter out nested"},{"line_number":20,"context_line":"resource providers from allcation requests and filter out some of the"}],"source_content_type":"text/x-gerrit-commit-message","patch_set":2,"id":"dfbec78f_53a3d9b2","line":17,"range":{"start_line":17,"start_character":59,"end_line":17,"end_character":68},"updated":"2019-05-13 07:52:19.000000000","message":"Do we have a bug report that can be referred?","commit_id":"a2a15e3476550b3a26c4f8e95e862688b8ed6c7a"},{"author":{"_account_id":26936,"name":"Surya Seetharaman","email":"suryaseetharaman.9@gmail.com","username":"tssurya"},"change_message_id":"ef7f750ce7388e3f23d945bbacb7bf5d8e7388df","unresolved":false,"context_lines":[{"line_number":14,"context_line":"the projects including nova had started to model nested resource"},{"line_number":15,"context_line":"providers, but this was backported because of the perfomance issue."},{"line_number":16,"context_line":""},{"line_number":17,"context_line":"When scheduling an instance, getting allocation candidates were slow."},{"line_number":18,"context_line":"This was because the scheduler\u0027s placement client used older"},{"line_number":19,"context_line":"microversion ``1.25`` where placement had to filter out nested"},{"line_number":20,"context_line":"resource providers from allcation requests and filter out some of the"}],"source_content_type":"text/x-gerrit-commit-message","patch_set":2,"id":"dfbec78f_f3020d3d","line":17,"range":{"start_line":17,"start_character":59,"end_line":17,"end_character":68},"in_reply_to":"dfbec78f_53a3d9b2","updated":"2019-05-13 08:21:09.000000000","message":"++, would be nice to have more info,","commit_id":"a2a15e3476550b3a26c4f8e95e862688b8ed6c7a"},{"author":{"_account_id":26936,"name":"Surya Seetharaman","email":"suryaseetharaman.9@gmail.com","username":"tssurya"},"change_message_id":"ef7f750ce7388e3f23d945bbacb7bf5d8e7388df","unresolved":false,"context_lines":[{"line_number":16,"context_line":""},{"line_number":17,"context_line":"When scheduling an instance, getting allocation candidates were slow."},{"line_number":18,"context_line":"This was because the scheduler\u0027s placement client used older"},{"line_number":19,"context_line":"microversion ``1.25`` where placement had to filter out nested"},{"line_number":20,"context_line":"resource providers from allcation requests and filter out some of the"},{"line_number":21,"context_line":"resource information from provider summaries, which were added in"},{"line_number":22,"context_line":"microversion ``1.26`` and ``1.29`` respectively for the backward"},{"line_number":23,"context_line":"compatibility."},{"line_number":24,"context_line":""},{"line_number":25,"context_line":"This patch fixes nova side to use microversion ``1.29`` for getting"},{"line_number":26,"context_line":"allocation candidates to skip the filtering process to improve the"}],"source_content_type":"text/x-gerrit-commit-message","patch_set":2,"id":"dfbec78f_f3876db4","line":23,"range":{"start_line":19,"start_character":22,"end_line":23,"end_character":14},"updated":"2019-05-13 08:21:09.000000000","message":"hmm, I am a little confused, could you point me to the exact line of code that you are talking about here which makes 1.25 slow ? I thought most of the deployments (like us) don\u0027t use nested rps at all since it wasn\u0027t supported like you said. So I don\u0027t understand how this could be slower ?","commit_id":"a2a15e3476550b3a26c4f8e95e862688b8ed6c7a"}]}