EMS Scenarios


Post the Answers if any one know it . If dont know mail to tibcoworld@gmail.com.

SET : III


1) bridge bridge bridge
T1 ---------- Q1--------T2-------Q2
| | | |
S1,S2 R1,R2 S3,S4 R3,R4

If we place a Msg on T2 who are will get the Messages?

2)For SSL connection to EMS what are the certifcates that ems server can support?

3) I have a server E1 , E2 and Trade topic is routed in both the servers and subscriber are subscribing on both the servers. Does all the subscribers listening will be get message at a time or there will be any lag?

4) LDAP is configure to EMS server and if my LDAP is down then EMS server is accessble to the existing clients which are already connected or not?

5) Created bridge b\w T1 to Q1. can i created bridge b\w Q1 to T1 also ?

6)There is a special queue connection factories and these can be share across Multiple EMS servers?

7) client C1 need to get all the Meaages form X topic. Then i have 2 way to do it. one making C1 as durable and other creating a queue c1 and bridge b\w X topic. which is the best process that ems server has less wait?



SET : II


  1. what is a cyclic Route and what are the impacts on the EMS server?
  2. subscriber complain that he is getting duplicate messages and publisher is publishing only once . how do you debug it?
  3. what are the basic steps to configure the disastor recovery action?
  4. how do you create a new ems instance ?
  5. Route details are stored in which db files or table (database storage) when created or modified ?
  6. I have 5 clients connecting to the EMS server one of the client is opening many connections and the other clients are getting impacted. How can we solve it ?
  7. How do you create an SSL routing b\w 2 ems servers?
  8. All the undelivered msg on the X queue should be moved to $sys.undelivered. how can you achieve it?
  9. How can you re-send the messages from $sys.undelivered queue to a topic ?
  10. Is it possible to send an image message to queue or topic?




SET : I
  1. If my connections to the EMS Server is increasing high , then what are the steps you take to control ?
  2. How do you mange Slow consumer and offline Durable Subscriber to queue and topic which impacts the performance of EMS Instances?
  3. How do you purge the message offline Durable Subscriber ?
  4. What data is stored in Message Memory for JMS Instance ?
  5. How do you delete offline durable subscribers ?
  6. In some cases it is necessary to temporarily increase maximum message memory until the underlying issue is re-solved. How do you increase it?
  7. What is the best ratio that can be set for any EMS Instance to have the message Memory and the system memory?
  8. How can you reduce the size of the store files in ems server?
  9. If we have 5 ems Instances and one of the instance is using high Message Memory then what we need to do?
  10. I we want to restrict not to create the dynamic queues at run time in EMS then how do you achieve it?


8 comments:

  1. wowwww...Great Questions......

    ReplyDelete
  2. subscriber complain that he is getting duplicate messages and publisher is publishing only once . how do you debug it??

    ReplyDelete
    Replies
    1. we can set acknowledgement as Auto at subscriber side so that message wont get repeated from publisher side.

      Delete
  3. Please answer the above question??

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