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Posted to solr-user@lucene.apache.org by Webster Homer <we...@sial.com> on 2017/07/04 21:51:58 UTC
cdcr replication only 1 node gets data
I've seen this a number of times. We do cdcr replication to a cloud, and
only the shard leader gets data.
CDCR source has 2 nodes and we replicate to 2 clouds each of which have 4
nodes
Both source and targets have 2 shards
We frequently end up with collections where the target shard leader has
data but the replica doesn't
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Re: cdcr replication only 1 node gets data
Posted by Webster Homer <we...@sial.com>.
We too often end up with a shard looking like:
{
"name": "shard2",
"range": "0-7fffffff",
"state": "active",
"replicas": [
{
"name": "core_node1",
"core": "sial-catalog-gene_shard2_replica2",
"baseUrl": "http://uc1f-ecom-msc01:8983/solr",
"nodeName": "uc1f-ecom-msc01:8983_solr",
"state": "active",
"leader": true,
"index":
{
"numDocs": 57376,
"maxDocs": 86447,
"deletedDocs": 29071,
"size": "265.24 MB",
"lastModified": "2017-07-04T18:27:13.853Z",
"current": true,
"version": 1333,
"segmentCount": 18
}
}
,
{
"name": "core_node4",
"core": "sial-catalog-gene_shard2_replica1",
"baseUrl": "http://uc1f-ecom-msc02:8983/solr",
"nodeName": "uc1f-ecom-msc02:8983_solr",
"state": "active",
"leader": false,
"index":
{
"numDocs": 0,
"maxDocs": 0,
"deletedDocs": 0,
"size": "101 bytes",
"lastModified": "2017-06-30T19:40:02.936Z",
"current": true,
"version": 1148,
"segmentCount": 0
}
}
On Tue, Jul 4, 2017 at 4:51 PM, Webster Homer <we...@sial.com>
wrote:
> I've seen this a number of times. We do cdcr replication to a cloud, and
> only the shard leader gets data.
>
> CDCR source has 2 nodes and we replicate to 2 clouds each of which have 4
> nodes
> Both source and targets have 2 shards
>
> We frequently end up with collections where the target shard leader has
> data but the replica doesn't
>
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This message and any attachment are confidential and may be privileged or
otherwise protected from disclosure. If you are not the intended recipient,
you must not copy this message or attachment or disclose the contents to
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notify the sender immediately and delete the message and any attachment
from your system. Merck KGaA, Darmstadt, Germany and any of its
subsidiaries do not accept liability for any omissions or errors in this
message which may arise as a result of E-Mail-transmission or for damages
resulting from any unauthorized changes of the content of this message and
any attachment thereto. Merck KGaA, Darmstadt, Germany and any of its
subsidiaries do not guarantee that this message is free of viruses and does
not accept liability for any damages caused by any virus transmitted
therewith.
Click http://www.emdgroup.com/disclaimer to access the German, French,
Spanish and Portuguese versions of this disclaimer.