Skip to main content

Improving maximo system performance

Understand existing system, check no of transactions in a day for main objects like workorders Po assets inventory ..

Check no of concurrent users ,
No of clusters...
Ram division between clusters....
Hard disk....
Indexes on main objects and custom objects...
Archiving of old data...
Closure of old records....
Check Maximos best practices are followed in where clauses of conditions queries and relationships...

Check if db can be migrated to exadata for speed...Delete not required or unused migration package inactive wf transactions based on ibm guidelines ....

Check latest fixpacks are installed on Was and db.. and Maximo..

If some custom cron taking too much time check if we can use fetch first aur create an autoscript and do same work from storedproced bco they will more faster than java code or autoscript...

Run integrity checker before and after every deployment of changes to production

Update maximo statistics on regular basis...

Check if can create common scripts or library scripts....

Write a utility to move heap dumps to some other dev server or temporary location so it will not create memory issues for you.......

Create a utility to check heap dumps and send admin email for the same........



Comments

Post a Comment

Popular posts from this blog

Maximo Interview Questions - Maximo Technical and Functional Questions

Technical Questions How do you rate your self in :- 1. PL/SQL 2. Java 3. Automation Script 4. Mbo Customization 5. Admininstration Jobs 6. Funtional Concepts 7. Maximo Configuration Do not rate anything less than 7 unless you don't want interview to skip the topic Deployment / Administration  1. Explain LDAP integration? 2. Explain SSO and LTPA token? 3. What is global security? 4. How session is managed in Websphere or Maximo? 16. How to insert attributes from Backend? 5. How request is passed in Maximo? 6. How to do horizontal and vertical clustering? 7. Explain how you confire websphere for maximo manually? 8. What are Websphere MQ? 9. What is JMS, Connection Factory and Queues? 10. What is difference between vmm and ldap sync integration ? 11. What is Standalone and federated repository? 12. How to install a new language in Maximo? 13. What are the steps to apply a Fix pack in Maximo, Websphere or DB2? 14. Have you worked on any performance checking tools? 15...
3 comments
Read more

Maximo Bean Class Methods

Methods of Bean Classes of Maximo Reset Method   This method is called when a new filter is applied for the dialog's MboSet.  @see psdi.webclient.system.beans.DataBean#reset()     @Override     public void reset() throws MXException     {             try         {                 saveCurrentSelection();         }         catch (RemoteException e)         {             handleRemoteException(e);         }         super.reset();     } Initialize It is used to initialize values on a d...
3 comments
Read more

BMXAA4211E - Database error number 1 has occurred when operating mbo...

 BMXAA4211E - Database error number 1 has occurred when operating on WFINSTANCE This solution you can use for any table generic solution in oracle db only  this is duplicate id issue.. (if you cannot remove duplicate just increase nextval like i did since in my case too i can't find duplicate and max value is greater than nextval. select max(WFID) from maximo.wfinstance *select maximo.WFINSTANCESEQ.NEXTVAL from dual; increase you value with some 1000's from o/p of query 1... example *alter sequence maximo.WFINSTANCESEQ restart start with 17572034; Similary if it comes for wfcallstack   BMXAA4211E – Database error number 1 has occurred when operating on WFCALLSTACK:   Report the error to the owner of the deployment.     check maxvalue    select max(wfcallstackid) from maximo.WFCALLSTACK     check next value    select maximo.WFCALLSTACKSEQ.NEXTVAL from dual; increase value by some 10000 etc...... alter sequence max...
Post a Comment
Read more