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Questions tagged [solrcloud]

Apache Solr includes the ability to set up a cluster of Solr servers that combines fault tolerance and high availability. Called SolrCloud, these capabilities provide distributed indexing and search capabilities.

Apache Solr includes the ability to set up a cluster of Solr servers that combines fault tolerance and high availability. Called SolrCloud, these capabilities provide distributed indexing and search capabilities, supporting the following features:

  • Central configuration for the entire cluster

  • Automatic load balancing and fail-over for queries

  • ZooKeeper integration for cluster coordination and configuration.

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SolrCloud vs Standalone Solr

I am trying to upgrade standard 4.x Solr install to Solr cloud 5.x.I did some performance testing between two and found massive differences. On the same server, at different times, I've ran the below: Solr cloud 5.2.1 & 5.3, 2 shards, 2 replicas, 3…
Javadroider
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Cannot talk to ZooKeeper - Updates are disabled

We are facing one peculiar issue with Zoo Keeper wherein the ZK loses connectivity with solr cloud all of a sudden and starts throwing an Exception which says "Cannot talk to ZooKeeper - Updates are disabled." Our application has 2 solr clusters…
K.S.P. Reddy
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Solr cloud performance degradation with billions of documents

I am trying to use SolrCloud to index a very large number of simple documents and have run into some performance and scalability limitations and was wondering what can be done about it. Hardware wise, I have a 32-node Hadoop cluster that I use to…
pashgol pashgolian
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java.lang.IllegalStateException: Cannot call sendError() after the response has been committed

I am working on indexing around 3 TB of data into apache solr. I am getting below error in my tomcat logs when the data size reached 14 GB. Is it possible to troubleshoot it? I am planning to move my index later to solr cloud. > SEVERE:…
sparkle
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Solr single index vs Solr multi core

I need some assitance on deciding creating a single index in a single Solr instance vs creating multiple cores in a single Solr instance, each core servicing an index. My understanding is, a single index in solr is usually implemented to index one…
S.O.L.I.D
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Dynamic Field with SplitBy in db-config.xml not working Properly in Solr

I'm Working with Solr 7.4.0 and using DIH Method For Indexing the Data. Query in data-config.xml.
rakesh girase
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Solr Cloud with Basic Authentication fails - Unauthorized 401 Error from Solr Admin

I have setup SolrCloud using Solr 6.6.0 and Zookeeper 3.4.10. I am trying to setup Basic Authentication as per latest documentation at https://cwiki.apache.org/confluence/display/solr/Basic+Authentication+Plugin Issue is that the authentication does…
Nishant
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Solr-Retrieve name of document where the word is found

I am using queries (Solr Admin) to search words through two text documents that are in my HDFS. How can i retrieve the name of the document that the word is found in. I am using this project https://github.com/lucidworks/hadoop-solr I am creating a…
Spyros_av
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How to use upconfig & linkconfig scripts on external zookeeper

I am trying to set up a solrCloud with external zookeeper ensemble of 3 servers and a replicated solr on 2 servers. Assumed that an external zookeeper should be independent from other storages I can't find out how to set the -solrhome parameter. Is…
Solver42
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How to list SolrCloud aliases?

In SolrCloud Collections API (https://cwiki.apache.org/confluence/display/solr/Collections+API), we can list collections using action: /admin/collections?action=LIST However, aliases are not included in this list. There is also no corresponding…
nuoritoveri
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SolrCloud: Is it possible to get the shard id of a document in the search results

When debugging Solr schema and indexing in a SolrCloud, it is important to easily know into which shard a document was indexed. Is it possible to define a schema field for the shard id such that the automatically assigned shard id is then available…
Harald
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Where are solr.xml, solrconfig.xml and schema.xml located?

I am trying to create a new collection which requires change in these schemas. I am unable to figure out where they are located exactly. Any help in the direction would be appreciated. P.S : I don't have admin rights. I am accessing using solrctl
CleanSock
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Loadbalancer and Solrcloud

I am wondering how loadbalancer can be set up on top of SolrCloud or a load-balancer is not needed? If the former, shard leaders need to be added to the loadbalancer? Then what if the shard leader changes for some reason? Or all machines in the…
kee
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Roles of zookeeper in solr cloud

I am new to SolrCloud(4.X), Can anybody explain in detail about roles and responsibility of zookeeper in SolrCloud? Also how does zookeper work in regards to search/add request to Solr?
Meet
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Apache Solr Cloud Backup Issues to path when 'solr.allowPaths' is set

I am trying to backup a solr cloud collection. Solr and Zookeeper are running in docker containers. There are 3 solr (using ports: 8981,8982,8983) and 3 ZKs containers running. I am passing a docker volume to the solr containers volumes: -…
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