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On Wed, May 18, 2022 at 1:35 PM Jesús Roca <[email protected]> wrote:

> Hello,
>
> We are having problema
>
> We have a cluster with Solr 8 (15 nodes running RHEL) and ZooKeeper 3.6.2
> (5 nodes) and only one collection of around 48 millions of docs with 10
> shards and a replication factor of 3, so every server holds 2 cores.
> A couple of weeks ago we performed an upgrade from Solr 8.9.0 to 8.11.1 and
> we upgraded the Java version too from 1.8.0_322 to 11.0.14 and since then
> some cores are constantly growing even when the number of docs is
> practically the same.
>
> I have upload an image where you can see how the size of a core grows over
> time (we upgraded on 05/02), and another graphic where you can see the docs
> number is quite stable compared to their size:
> https://we.tl/t-pvV4RfXhYe
> Currently the size of that replica of shard2 is 22,6 GB while leader shard
> is 9,66 GB
>
> We don't have any custom merge policy in solr.config file, we are using the
> default merge policy.
>
> When we restart an instance with a core that grows indefinitely it release
> space. For ex, I have restarted the instance which graphic I shared and now
> its size is 9,9 GB.
> But after a while (some days) some cores grow again.
>
> I have upload a COLSTATUS too with information about shard leaders and
> their segments.
>
> Any ideas about this issue?
>
> Thanks!
>


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