Re: How ElasticSearch nodes syncrhonise in Cluster when nodes have different Index mappings

[Mark Walkom]

That depends on how you do the migration, it's not something ES handles
automatically, you need to do it yourself.

Regards,
Mark Walkom

Infrastructure Engineer
Campaign Monitor
email: ma...@campaignmonitor.com
web: www.campaignmonitor.com


On 13 June 2014 19:47, Bhupali Kalmegh  wrote:

> Yes, I am creating new index and then migrating the data from older index
> to new index. So, when this migration is going on, if any request comes,
> then what would be the behaviour?
>
>
>
> On Friday, June 13, 2014 3:11:52 PM UTC+5:30, Luis García Acosta wrote:
>>
>> Mapping is applied at cluster level, and existing index wont get the new
>> mapping. You will need to reindex your data, aka create a new index after
>> you apply the new mapping
>
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Re: How ElasticSearch nodes syncrhonise in Cluster when nodes have different Index mappings

[Bhupali Kalmegh]

Yes, I am creating new index and then migrating the data from older index 
to new index. So, when this migration is going on, if any request comes, 
then what would be the behaviour?


On Friday, June 13, 2014 3:11:52 PM UTC+5:30, Luis García Acosta wrote:
>
> Mapping is applied at cluster level, and existing index wont get the new 
> mapping. You will need to reindex your data, aka create a new index after 
> you apply the new mapping

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How ElasticSearch nodes syncrhonise in Cluster when nodes have different Index mappings

[Luis García Acosta]

Mapping is applied at cluster level, and existing index wont get the new 
mapping. You will need to reindex your data, aka create a new index after you 
apply the new mapping

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How ElasticSearch nodes syncrhonise in Cluster when nodes have different Index mappings

[Bhupali Kalmegh]

Hi ,

Kindly help me to understand the behaviour of ES nodes in Cluster when 
nodes have different Index mappings.

I have 2 ES nodes both are currently having same Index versions. Now I want 
to upgrade both the nodes with the new index mapping.

Scenario 1 : Without keeping the node down, start mapping changes on Node1. 
During the mapping changes, if any request comes & suppose it is handled by 
Node1 only.
Now, How & when this Node#1 & Node#2 will synchronise?

Scenario 2 : Without keeping the node down, start mapping changes on Node1. 
During the mapping changes, if any request comes & suppose it is handled by 
Node2.
Now, How & when this Node#1 & Node#2 will synchronise?

Want to know, whose data will be available after the complete mappings 
completion on both nodes.

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