NFS misaligned I/O observed from Kubernetes persistent volume
Applies to
- Kubernetes cluster
- Trident
Issue
NFS misaligned I/O observed from Kubernetes persistent volume.
Example:
volume:k8s_volume:nfs_write_data:97970b/svolume:k8s_volume:nfs_write_latency:71.71usvolume:k8s_volume:nfs_protocol_write_histo.< 4KB:2778volume:k8s_volume:nfs_protocol_write_histo.= 4KB:3962volume:k8s_volume:nfs_protocol_write_histo.< 8KB:60volume:k8s_volume:nfs_protocol_write_histo.= 8KB:1016volume:k8s_volume:nfs_protocol_write_histo.< 16KB:283volume:k8s_volume:nfs_protocol_write_histo.= 16KB:105volume:k8s_volume:nfs_protocol_write_histo.< 32KB:20volume:k8s_volume:nfs_protocol_write_histo.= 32KB:0volume:k8s_volume:nfs_protocol_write_histo.< 64KB:0volume:k8s_volume:nfs_protocol_write_histo.= 64KB:0volume:k8s_volume:nfs_protocol_write_histo.< 256KB:0volume:k8s_volume:nfs_protocol_write_histo.= 256KB:0volume:k8s_volume:nfs_protocol_write_histo.< 1024KB:0volume:k8s_volume:nfs_protocol_write_histo.= 1024KB:0volume:k8s_volume:nfs_protocol_write_histo.> 1024KB:0volume:k8s_volume:nfs_protocol_misaligned_writes.misaligned 4KB:4096volume:k8s_volume:nfs_protocol_misaligned_writes.misaligned 8KB:4481024volume:k8s_volume:nfs_protocol_misaligned_writes.misaligned 16KB:1294336volume:k8s_volume:nfs_protocol_misaligned_writes.misaligned 32KB:0volume:k8s_volume:nfs_protocol_misaligned_writes.misaligned REST:44928