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08-10-2018
02:57 AM
Thank you Sandeep! To double confirm, there will be only one active node for Atlas? I'm asking this because, nowadays, we have 2 ways to scale our service's capability: scale up (make the server machine more powerful) or scale out (have more identical instances deployed to handle more request). So base on the current design of Atlas, sounds like it doesn't support the later one? Thanks, Eva
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08-10-2018
02:52 AM
Thank you very much Sharmadha! But I still have one puzzle regarding to the order, take the example you presented: 1. say message#1 is sent but not processed yet. 2. when action#2 is taken, hook will consider employee_personal is not yet known to Atlas 3. in this case the entities contained in message#2 will have a new entity about this table, will that also result in 2 employee_personal entities in Atlas? Thanks, Eva
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08-09-2018
08:55 AM
I can see Atlas support HA but looks like there will be only one node being active? I doubt about this because I'm seeing that the "TypeRegistery" in memory is loading when nodes start up, so if there is some one create a new classification type, only the nodes that accept this request will know this change and update it's in memory "TypeRegistery" accordingly. Is my understanding correct? Thanks, Eva
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Apache Atlas
08-09-2018
08:19 AM
Hi all, I've been reading the Atlas code and understanding the Atlas architecture recently. Among them, the choice of Kafka as a message mechanism got my interest. We know that Kafka is design for order message processing, but is order really important for Hooks to report change? Thanks, Eva
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Apache Atlas
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Apache Kafka