Re: [Qemu-devel] [PATCH 4/5] migration/block: limit the number of parallel I/O requests

2018-03-23 Thread Dr. David Alan Gilbert
* Peter Lieven (p...@kamp.de) wrote: > the current implementation submits up to 512 I/O requests in parallel > which is much to high especially for a background task. > This patch adds a maximum limit of 16 I/O requests that can > be submitted in parallel to avoid monopolizing the I/O device. > >

Re: [Qemu-devel] [PATCH 4/5] migration/block: limit the number of parallel I/O requests

2018-03-20 Thread Juan Quintela
Peter Lieven wrote: > the current implementation submits up to 512 I/O requests in parallel > which is much to high especially for a background task. > This patch adds a maximum limit of 16 I/O requests that can > be submitted in parallel to avoid monopolizing the I/O device. > >

Re: [Qemu-devel] [PATCH 4/5] migration/block: limit the number of parallel I/O requests

2018-03-20 Thread Peter Lieven
Am 08.03.2018 um 14:30 schrieb Peter Lieven: Am 08.03.2018 um 13:50 schrieb Juan Quintela: Peter Lieven wrote: the current implementation submits up to 512 I/O requests in parallel which is much to high especially for a background task. This patch adds a maximum limit of 16 I/O

Re: [Qemu-devel] [PATCH 4/5] migration/block: limit the number of parallel I/O requests

2018-03-08 Thread Peter Lieven
Am 08.03.2018 um 13:50 schrieb Juan Quintela: Peter Lieven wrote: the current implementation submits up to 512 I/O requests in parallel which is much to high especially for a background task. This patch adds a maximum limit of 16 I/O requests that can be submitted in parallel to

Re: [Qemu-devel] [PATCH 4/5] migration/block: limit the number of parallel I/O requests

2018-03-08 Thread Juan Quintela
Peter Lieven wrote: > the current implementation submits up to 512 I/O requests in parallel > which is much to high especially for a background task. > This patch adds a maximum limit of 16 I/O requests that can > be submitted in parallel to avoid monopolizing the I/O device. > >

[Qemu-devel] [PATCH 4/5] migration/block: limit the number of parallel I/O requests

2018-03-08 Thread Peter Lieven
the current implementation submits up to 512 I/O requests in parallel which is much to high especially for a background task. This patch adds a maximum limit of 16 I/O requests that can be submitted in parallel to avoid monopolizing the I/O device. Signed-off-by: Peter Lieven ---