All Questions
3
questions
8
votes
4
answers
22k
views
Flush-0:n processes causing massive bottleneck
I have a LAMP cluster that shares files via NFS and occasionally one of them will be stricken for a while when mysterious flush processes start appearing.
Can anyone help me? The only way to resolve ...
- 731
3
votes
2
answers
16k
views
Determining cause of high NFS/IO utilization without iotop
I have a server that is doing an NFSv4 export for user's home directories. There are roughly 25 users (mostly developers/analysts) and about 40 servers mounting the home directory export. ...
- 1,047
2
votes
2
answers
4k
views
Does a read on a NFS file system slow performance?
If a NFS client reads a file, does any network traffic happen? or is it just writes (by any node) that result in network traffic?
In particular, I'm interested in whether doing a file_exists() call ...
- 4,297