One needs to see the code or get more insights on your design. Do you reuse the 
HTTPClient or do you create for every request a new one?
How often do you commit?
Do you do parallel updates from the client (multiple threads?).

> Am 13.12.2019 um 06:56 schrieb Prem <premkumarirt...@gmail.com>:
> 
> I am trying to partially update of 50M data in a collection from CSV using
> Atomic script(solrj).But it is taking 2 hrs for 1M records.is there anyway i
> can speed up my update.
> Using HTTPClient to establish connection and also i am validating whether
> the particular document is available in collection or not and after that
> updating the document.
> 
> 
> 
> 
> --
> Sent from: https://lucene.472066.n3.nabble.com/Solr-User-f472068.html

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