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feal
Creator
Creator

Adding tables to a Logstream task without stop/start

Hello

we have a QLIK log stream task that is connected to a dependent  Qlik CDC task : If i have to add new table to CDC i have to

- Stop depending Qlik CDC task

- Stop Log stream Qlik task

-adding tables to QLIK Log stream task, save it and resume processing

-adding tables to Qlik CDC task ,save it and resume processing

if we have more QLiK CDC task dependent to log stream, if we want only addd tables, have we to stop ALL dependent Qlik CDC tasks ?

Is it possible to avoid service disruption due to stopping/starting  dependent Qlik tasks if those tasks do not relete to new adding tables ?

Let me know

best regards

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1 Solution

Accepted Solutions
Heinvandenheuvel
Specialist III
Specialist III

>> if we have more QLiK CDC task dependent to log stream, if we want only addd tables, have we to stop ALL dependent Qlik CDC tasks ?

NO. You will only have to stop/resume those tasks that need to see the new table. However, the other slave tasks will have a soft outage while the logstream tasks is being restarted.

>> adding tables to QLIK Log stream task, save it and resume processing

You could (should) prepare for the added tables (in DEV) by exporting tasks(s) JSON, edit and import. At some point though the (logstream) task will have to be stopped and resumed to pick up the changes.

Only way to avoid this is wildcarded table names if you are 'lucky' that the tables to be added fall into a pattern like perhaps a monthly or yearly name, or a warehouse name added to a table. Unlikely, but it could happen.

Hein.

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2 Replies
Heinvandenheuvel
Specialist III
Specialist III

>> if we have more QLiK CDC task dependent to log stream, if we want only addd tables, have we to stop ALL dependent Qlik CDC tasks ?

NO. You will only have to stop/resume those tasks that need to see the new table. However, the other slave tasks will have a soft outage while the logstream tasks is being restarted.

>> adding tables to QLIK Log stream task, save it and resume processing

You could (should) prepare for the added tables (in DEV) by exporting tasks(s) JSON, edit and import. At some point though the (logstream) task will have to be stopped and resumed to pick up the changes.

Only way to avoid this is wildcarded table names if you are 'lucky' that the tables to be added fall into a pattern like perhaps a monthly or yearly name, or a warehouse name added to a table. Unlikely, but it could happen.

Hein.

feal
Creator
Creator
Author

Ok

Thank you . you can close the topic . tha answer is acceptable