Re: [CentOS] Are file system mounts costly?

2011-08-16 Thread Marian Marinov 
On Wednesday 03 August 2011 23:29:48 Reynolds McClatchey wrote:
 I recall a kernel parameter on Unix System V of number
  of mounted file systems. Max recommended was 8.
  Larger numbers slowed down inode location and
  impacted performance.
 
 Has Linux solved that bottleneck? Are 20 or 30 mounted
  efs and cifs file systems on one system OK?

I'm running servers with almost 1500 bind mounts... 
Before that I did check when the server performance is impacted.

So what I found was that when you reach around 2 mounts all commands start 
to take a long time to execute.

 
Best regards,
Marian Marinov


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[CentOS] Are file system mounts costly?

2011-08-03 Thread Reynolds McClatchey 
I recall a kernel parameter on Unix System V of number
 of mounted file systems. Max recommended was 8.
 Larger numbers slowed down inode location and
 impacted performance.

Has Linux solved that bottleneck? Are 20 or 30 mounted
 efs and cifs file systems on one system OK? 
-- 
M Reynolds McClatchey JrVP Engineering and Inventory
Southern Aluminum Finishing Co Inc  404-355-1560 x222 Voice
1581 Huber St NW404-350-0581 Fax
Atlanta GA 30318


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