)]}'
{"/PATCHSET_LEVEL":[{"author":{"_account_id":29071,"name":"norman shen","email":"yshxxsjt715@gmail.com","username":"ushen"},"change_message_id":"9248986c071cc11cfb56dcdb043a2bc32954f079","unresolved":false,"context_lines":[],"source_content_type":"","patch_set":1,"id":"f6d08bb6_d679e6aa","updated":"2026-04-08 00:32:33.000000000","message":"Hi, is io_uring  supported by all available libvirt? Any recommendations on the situations to enable io_uring ? Also, some comparisons between different io driver IMO is welcomed.","commit_id":"0f7d8b0088df938a93f2aba909156fb3d3c99b98"},{"author":{"_account_id":29071,"name":"norman shen","email":"yshxxsjt715@gmail.com","username":"ushen"},"change_message_id":"63d171b25b6d16297c6a894af957d6f1a9a6ead9","unresolved":false,"context_lines":[],"source_content_type":"","patch_set":1,"id":"cb99c7da_b6195f78","in_reply_to":"b22c05a7_9b80a1a6","updated":"2026-04-23 03:49:31.000000000","message":"sorry for the very late reply. is io_uring available for block backend? for example, is io_uring available for rbd?","commit_id":"0f7d8b0088df938a93f2aba909156fb3d3c99b98"},{"author":{"_account_id":38920,"name":"clemens","email":"clemens@clemensknost.de","username":"clemens"},"change_message_id":"bffc9aac66cf0fe8772cb558b70e3fd436e2a640","unresolved":false,"context_lines":[],"source_content_type":"","patch_set":1,"id":"5597685b_90bd50ef","in_reply_to":"cb99c7da_b6195f78","updated":"2026-04-27 07:23:52.000000000","message":"No. io_uring is only available only for local disks, because block backend dont\u0027t do any linux storage api calls on the Compute Node.","commit_id":"0f7d8b0088df938a93f2aba909156fb3d3c99b98"},{"author":{"_account_id":38920,"name":"clemens","email":"clemens@clemensknost.de","username":"clemens"},"change_message_id":"abc02439b137b10a94bf9cde764f9fd0adb140e0","unresolved":false,"context_lines":[],"source_content_type":"","patch_set":1,"id":"b22c05a7_9b80a1a6","in_reply_to":"f6d08bb6_d679e6aa","updated":"2026-04-10 09:17:59.000000000","message":"Hi, io_uring needs at least QEMU 10.2 and linux kernel 5.1.\nYou can find some information and benchmarks about io_uring in this presentation: https://vmsplice.net/~stefan/stefanha-kvm-forum-2025.pdf\n\nIn my opinion it would be the best to let the OpenStack Operators choice, which io driver is the best for the underlaying infrastructure.","commit_id":"0f7d8b0088df938a93f2aba909156fb3d3c99b98"}]}