Hazelcast upgrade 3.12 to 4.2

[R 9]

Hi All - We ar eupgrading our hazelcast to 4.2.4 from 3.12.9. 

In 3.12.9 we are using the jobtracker to track the jobs submitted. When used 4.2.4 couldn't find Jobtracker. In the migration guide, it is mentioned that Mapreduce is completely removed and directed to use Fast Aggregations. Could anyone plesae help me on how to use the same. 

In general, I request, how to use Java APIs(Fast Aggregations) as an alternative for all Mapreduce(For ex: Supplier, Predicate etc).

Any response is highly appreciated.

Thanks and Regards

MD

[Neil Stevenson]

 There are various guides you could search for, but why only upgrade to 4.2.4 ?  

 If you go to 5.1.1 you'll be on the latest version and have access to Jet and SQL, which may be faster or simpler than Fast Aggregations, depending on the aggregation

 Also, "depending on the aggregation", is there an example of what you were doing the old way ?

N

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