[$200 for ealsticsearch module, any help?]

Hi
I download thirtybees Elasticsearch module from https://github.com/thirtybees/elasticsearch/releases.
this module only working on Thirtybees.
this module working on Thirtybees for Elasticsearch version 5 but index products very slow.
if use Elasticsearch version 6 will not index products.
I want to this module working on Elasticsearch version 6 and increase index products speed.
also, need this module working on Prestashop

Shop Server
CPU:
4 vCore
RAM:
8192 MB
Storage:
100 GB SSD

Elastic Server 
CPU:
2 vCore
RAM:
4096 MB
Storage:
60 GB SSD

Elastic Server use a local network.

Any help would be greatly appreciated.

best regards

[About Elasticsearch version and index speed]

Hi

  

 

when I use elasticssearch 6 will not index products.

w 

 

when use elasticsearch 5 will index products but speed very slow.

 

Any help would be greatly appreciated.

Kind regards,