Re: [PATCH 7/7] block/io: improve loadvm performance

2020-07-08 Thread Vladimir Sementsov-Ogievskiy
03.07.2020 20:35, Denis V. Lunev wrote: This patch creates intermediate buffer for reading from block driver state and performs read-ahead to this buffer. Snapshot code performs reads sequentially and thus we know what offsets will be required and when they will become not needed. Results are fa

[PATCH 7/7] block/io: improve loadvm performance

2020-07-03 Thread Denis V. Lunev
This patch creates intermediate buffer for reading from block driver state and performs read-ahead to this buffer. Snapshot code performs reads sequentially and thus we know what offsets will be required and when they will become not needed. Results are fantastic. Switch to snapshot times of 2GB F

[PATCH 7/7] block/io: improve loadvm performance

2020-07-03 Thread Denis V. Lunev
This patch creates intermediate buffer for reading from block driver state and performs read-ahead to this buffer. Snapshot code performs reads sequentially and thus we know what offsets will be required and when they will become not needed. Results are fantastic. Switch to snapshot times of 2GB F