External/cloud-hypervisor
1
0
Fork 0
mirror of https://github.com/cloud-hypervisor/cloud-hypervisor.git synced 2024-12-22 05:35:20 +00:00
Code Issues Packages Projects Releases Wiki Activity

docs: mention thread pool option for virtiofsd

Browse Source 
Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu 2022-08-03 18:49:25 +00:00 committed by Liu Wei
parent 103494f441
commit 1a09381d1e
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
docs/fs.md
View File

@ -32,7 +32,8 @@ _Run virtiofsd_
--log-level debug \ --log-level debug \
--socket-path=/tmp/virtiofs \ --socket-path=/tmp/virtiofs \
--shared-dir=/tmp/shared_dir \ --shared-dir=/tmp/shared_dir \
--cache=never --cache=never \
--thread-pool-size=$N
``` ```
The `cache=never` option is the default when using `virtiofsd` with The `cache=never` option is the default when using `virtiofsd` with
@ -44,6 +45,10 @@ The `cache=always` option will allow the host page cache to be used, which can
result in better performance for the guest's workload at the cost of increasing result in better performance for the guest's workload at the cost of increasing
the footprint on host memory. the footprint on host memory.
The `thread-pool-size` option controls how many IO threads are spawned. For
very fast storage like NVMe spawning enough worker threads is critical to
getting an acceptable performance compared to native.
### Kernel support ### Kernel support
Modern Linux kernels (at least v5.10) have support for virtio-fs. Use of older Modern Linux kernels (at least v5.10) have support for virtio-fs. Use of older