How do I configure SolrCloud?

How do I configure SolrCloud?

Enable support for SSL

1. Walkthrough: Setting up SolrCloud.
2. Create a SolrCloud farm.
3. Upload the configuration to Zookeeper.
4. Create a collection.
5. Configure Sitecore to use SolrCloud.
6. Populate the Solr schema.
7. Enable support for SSL.

What is SolrCloud mode?

SolrCloud mode offers index replication, failover, load balancing, and distributed queries with the help of ZooKeeper and other specialized features in Solr.

How do I run Solr in SolrCloud mode?

Set up Solr:

1. Started Solr using: ./solr start -cloud -s /home/demo/LocalFolder/Downloads/SolrHome -p 8987 -z localhost:2181.
2. Trying to upload config in Zookeeper using: ./solr create -c mycollection -d /media/sf_VM/Dump/conf.

How does cloud Solr work?

SolrCloud is a flexible distributed search and indexing, without a master node to allocate nodes, shards, and replicas. Instead, Solr uses ZooKeeper to manage these locations, depending on configuration files and schemas. Queries and updates can be sent to any server.

Does Solr need ZooKeeper?

SolrCloud is flexible distributed search and indexing, without a master node to allocate nodes, shards and replicas. Instead, Solr uses ZooKeeper to manage these locations, depending on configuration files and schemas. Queries and updates can be sent to any server.

What is core and collection in Solr?

Collection is a logical index spread across multiple servers. Core is that part of server which runs one collection. In non-distributed search, Single server running the Solr can have multiple collections and each of those collection is also a core. So collection and core are same if search is not distributed.

How do I start Solr in standalone mode?

Let’s see how to configure Solr server in standalone mode

1. Add below extension in localextensions.xml.
2. Do ant all and start Hybris server.
3. Start the solr server.
4. Stopping the Solr server.

How does ZooKeeper work with Solr?

Is Solr a database?

Apache Solr is both a search engine and a distributed document database with SQL support. It is a NoSQL database with transactional support. It is a document database that offers SQL support and executes it in a distributed manner.

What is ZooKeeper SolrCloud?

ZooKeeper is a centralised service for maintaining configuration information in a distributed system. You can upload, download, and edit configuration files, so that all cores belonging to the same collection get same config set. You can read more about Solr cloud config management here.

What is ZooKeeper server?

ZooKeeper is an open source Apache project that provides a centralized service for providing configuration information, naming, synchronization and group services over large clusters in distributed systems. The goal is to make these systems easier to manage with improved, more reliable propagation of changes.

What is shard and replica in Solr?

Replica: One copy of a shard. Each replica exists within Solr as a core. A collection named “test” created with numShards=1 and replicationFactor set to two will have exactly two replicas, so there will be two cores, each on a different machine (or Solr instance). Shard: A logical piece (or slice) of a collection.

How to set the hostname of the Solr server?

Solr Hostname Use the SOLR_HOST variable in the include file to set the hostname of the Solr server. SOLR_HOST=solr1.example.com Setting the hostname of the Solr server is recommended, especially when running in SolrCloud mode, as this determines the address of the node when it registers with ZooKeeper.

Can a Solr script be run as root?

The RUNAS variable sets the owner of the Solr process, such as solr; if you don’t set this value, the script will run Solr as root, which is not recommended for production. You can use the /etc/init.d/solr script to start Solr by doing the following as root:

What should the user name be for Apache Solr?

Consequently, you should determine the username of a system user that will own all of the Solr files and the running Solr process. By default, the installation script will create the solr user, but you can override this setting using the -u option.

What should I separate my live Solr files from?

We recommend separating your live Solr files, such as logs and index files, from the files included in the Solr distribution bundle, as that makes it easier to upgrade Solr and is considered a good practice to follow as a system administrator. By default, the service installation script will extract the distribution archive into /opt.