VMware VCSA storage log full ?

If your vCenter server appliance is running slow performance ?
you need to check the vCenter partition status if any disk is full.
Enable SSH on your VC appliance .
check partition status #df-h
VMware KB article is https://kb.vmware.com/s/article/2143565
You can increase the disk space if you need more space https://kb.vmware.com/s/article/2126276