Lotus Domino: Tunning English: Difference between revisions

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This wiki will be creating a series of articles outlining best practices for Lotus Domino environment.
Moved to [[Lotus Domino: Tuning English]]
 
I ask you to always return to this article will be updating as usual.
 
Steps
 
# Have an implementation plan
# Know your infrastructure
# Divide the compounds
## Platform
## Notes Mail Statistics
## Network report
## Server Load Statistics
# Have a baseline reference
 
 
 
== Disabling the Collection of Statistics Platform ==
 
Domino statistics collection platform to display the Administrator. The collection does not consume much resources, but we're talking about tuning.
 
To disable the collection utize the following parameter in NOTES.INI.
 
'''Platform_Statistics_Disabled = 1'''
 
Reasons:
 
* You do not want to collect statistics
* On partitioned servers (DPAR), each server collects the same statistics. You can enable only in one partition and disable the others.
 
== Cache Design Elements ==
 
To optimize the response time keeps Domino design elements in memory.
 
To change the parameters of Web Cache, Open the server document and go
 
'''Internet Protocols → Domino Web Engine → Memory Caches.'''
 
and change the field value
 
{| border="1"
|
'''Field'''
|
'''Description'''
|-
|
'''Maximum cached designs'''
|
Enter the number of database design elements to
cache for users. The default is 128.
When a user opens a database, Domino maps
each design element name to an identification
number. This mapping procedure takes time. Use
this field to Specify how many elements you want
to store in memory so the next time the user
accesses That element, it is Immediately
available.
|}
 
To find out if you need to change this parameter, run the following command
 
  > Show stat domino.cache.design .*
  Domino.Cache.Design.Count = 128
  Domino.Cache.Design.DisplaceRate = 18.0328294698918
  Domino.Cache.Design.HitRate = 81.960226776015
  Domino.Cache.Design.MaxSize = 128
 
Observing these numbers we can deduce that the value of elements ('''Count''') has reached the maximum ('''MaxSize'''), so elements in this cache are discarded (''' DisplaceRate''').
 
The optimal value for the'''Hitrate''' is near 100%, and'''DisplaceRate''' is 0%. Increasing the value of the field'''Maximum cached designs''' improves response-time.
 
 
== Cached User Info ==
 
To optimize the response time keeps Domino design elements in memory.
 
To change the parameters of Web Cache, Open the server document and go
 
'''Internet Protocols → Domino Web Engine → Memory Caches.'''
 
and change the field value
 
{| border="1"
|
'''Field'''
|
'''Description'''
|-
|
'''Maximum cached users'''
|
Enter the number of users to cache. The default is 64.
After a user successfully authenticates with a server, Domino stores in memory the user's name, password, and the list of groups to which the user belongs. Use this field to increase the number of users for whom Domino stores this information.
|}
 
To find out if you need to change this parameter, run the following command
 
  > Show stat domino.cache.user*
Domino.Cache.User Cache.Count = 68
Domino.Cache.User Cache.DisplaceRate = 0
Domino.Cache.User Cache.HitRate = 73.258795221749
Domino.Cache.User Cache.MaxSize = 64
 
 
Observing these numbers we can deduce that the value of elements ('''Count''') has reached the maximum ('''MaxSize'''), so elements in this cache are discarded (''' DisplaceRate''').
 
The optimal value for the'''Hitrate''' is near 100%, and'''DisplaceRate''' is 0%. Increasing the value of the field'''Maximum cached designs''' improves response-time.

Latest revision as of 11:12, 31 October 2013