is there any plan to introduce where client can listen to data modification for some key? some short of push notification which can notify client, instead of client does pull periodically. I have use case where one client modifies data for the key but another client is not aware about change unless…

This is supported as of Aerospike 4.4.0.4 .

Data modification event / callback / push notification (AER-5960)

Albot June 21, 2018, 8:26pm 3

Alternatives/discussion were done under Data modification event / callback

Topic		Replies	Views
Data modification event / callback Java Client	3	1407	June 12, 2018
Data change Notification scheme How Developers Are Using Aerospike query	0	1542	May 24, 2016
Real-time record changefeeds (AER-5960) Delivered Requests	2	2355	January 11, 2019
Aerospike to elastic search connector Connectors	1	1557	December 12, 2018
Updating multiple records in a single user request Feature Discussion	7	1613	April 13, 2020