De-split / Merge shards without creating collection from scratch

[Ufuk YILMAZ <uy...@vivaldi.net.INVALID>]

We have lots of data in Solr (v8.4), which is divided into monthly 
collections in order not to perform every search against entire data. 
Each monthly collection is also split into 8 shards.

It means 4 years = 48 months = 384 shards which are causing some 
problems.

Is it possible to merge multiple shards into 1 without creating that 
collection from zero and reindexing?

Re: De-split / Merge shards without creating collection from scratch

[Gus Heck <gu...@gmail.com>]

>
> "which are causing some problems"

Can you describe the problems? Why do you think merging into a single shard
will help?

"Divided into monthly collections"

 Is this via Time Routed Aliases or have you done this manually?

On Thu, Apr 21, 2022 at 1:12 PM Ufuk YILMAZ <uy...@vivaldi.net.invalid>
wrote:

> We have lots of data in Solr (v8.4), which is divided into monthly
> collections in order not to perform every search against entire data.
> Each monthly collection is also split into 8 shards.
>
> It means 4 years = 48 months = 384 shards which are causing some
> problems.
>
> Is it possible to merge multiple shards into 1 without creating that
> collection from zero and reindexing?
>


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