Application using vSAN NFS share may start up slowly with specifical actions
search cancel

Application using vSAN NFS share may start up slowly with specifical actions

book

Article ID: 395131

calendar_today

Updated On:

Products

VMware vSAN

Issue/Introduction

An application using vSAN NFS share will start slowly if there are huge number of files under the share and application does ACCESS/GETATTR/READDIR actions.

Environment

ESXi 8.0.x

Cause

  • vSAN NFS on 8.0 uses 9P protocols. Processing of readdir is slow (multiple trips to VDFS etc).
  • The number of entries responded to client is max 50.

Resolution

  • Readdir performance is significantly improved in 10P, implemented in 9.0 Update 1.
  • The number of entries issue is addressed as part of Ganesha upgrade and would be implemented in future 9.0 release. The number of entries would be function of the buffer advertised by the client in READDIR call.
Powered by Wolken Software