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From Shai Erera <>
Subject Re: Index replication strategy
Date Thu, 04 Dec 2014 14:29:59 GMT
Do you use Lucene or Solr? Lucene also has a replication module, which will
allow you to replicate index changes.

On Thu, Dec 4, 2014 at 4:19 PM, Vijay B <> wrote:

> Hello,
> We index docs coming from database nightly. Current index is sitting on
> NFS. Due to obvious performance reasons, we are switching are planning to
> switch to local index. W have cluster of 4 servers and with NFS it was not
> a problem for us until now to share the index. but going forward, we are
> looking for our design options for index replication on to local storage.
> Our setup:
> Index size: 8GB (grows by 2GB every year)
> Lucene: 4.2.1
> 64-bit Java
> The options we considered:
>  *  Each server instance,hosting a nightly job to pull delta of data from
> db. But, this would result in high DB load. (4 severs =4 times the load)
>  * An additional nightly job sitting on another sever, that pushes the data
> on to local disks of each instances..This may not work out as the local
> disk may not be visible.
> * each sever hosting a replication job that pulls delta of data from NFS
> and stores in the local far this is the only promising option we
> have.
> * Does solr an option for us in this case? (I know it's a question for solr
> group..but experts here might have some thoughts..)..
> Thank you for your attention.

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