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From Chetas Joshi <chetas.jo...@gmail.com>
Subject Re: Solr on HDFS: adding a shard replica
Date Wed, 14 Sep 2016 02:11:05 GMT
Is this happening because I have set replicationFactor=1?
So even if I manually add replica for the shard that's down, it will just
create a dataDir but would not copy any of the data into the dataDir?

On Tue, Sep 13, 2016 at 6:07 PM, Chetas Joshi <chetas.joshi@gmail.com>
wrote:

> Hi,
>
> I just started experimenting with solr cloud.
>
> I have a solr cloud of 20 nodes. I have one collection with 18 shards
> running on 18 different nodes with replication factor=1.
>
> When one of my shards goes down, I create a replica using the Solr UI. On
> HDFS I see a core getting added. But the data (index table and tlog)
> information does not get copied over to that directory. For example, on
> HDFS I have
>
> /solr/collection/core_node_1/data/index
> /solr/collection/core_node_1/data/tlog
>
> when I create a replica of a shard, it creates
>
> /solr/collection/core_node_19/data/index
> /solr/collection/core_node_19/data/tlog
>
> (core_node_19 as I already have 18 shards for the collection). The issue
> is both my folders  core_node_19/data/index and core_node_19/data/tlog are
> empty. Data does not get copied over from core_node_1/data/index and
> core_node_1/data/tlog.
>
> I need to remove core_node_1 and just keep core_node_19 (the replica). Why
> the data is not getting copied over? Do I need to manually move all the
> data from one folder to the other?
>
> Thank you,
> Chetas.
>
>

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