Re: [PATCH v5 0/6] block: seriously improve savevm performance

2020-06-22 Thread Denis V. Lunev
On 6/19/20 2:02 PM, no-re...@patchew.org wrote: > Patchew URL: https://patchew.org/QEMU/20200619100708.30440-1-...@openvz.org/ > > > > Hi, > > This series failed the asan build test. Please find the testing commands and > their output below. If you have Docker installed, you can probably reproduce

Re: [PATCH v5 0/6] block: seriously improve savevm performance

2020-06-19 Thread no-reply
Patchew URL: https://patchew.org/QEMU/20200619100708.30440-1-...@openvz.org/ Hi, This series failed the asan build test. Please find the testing commands and their output below. If you have Docker installed, you can probably reproduce it locally. === TEST SCRIPT BEGIN === #!/bin/bash export AR

[PATCH v5 0/6] block: seriously improve savevm performance

2020-06-19 Thread Denis V. Lunev
This series do standard basic things: - it creates intermediate buffer for all writes from QEMU migration code to QCOW2 image, - this buffer is sent to disk asynchronously, allowing several writes to run in parallel. In general, migration code is fantastically inefficent (by observation), buff