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You can install and run VIVO on most modern PC, laptop, or server hardware. Whilst the application layer needs a reasonable amount of memory, the majority of the workload is placed on the storage layers, which as a semantic web application means the triple store. As VIVO aims to be agnostic to the triple store, the precise requirements will depend on your choice of triple store. However, starting from the VIVO 1.12, the default configuration is to use Jena TDB, while in the previous versions it was SDB backed by MySQLVIVO can be optionally configured to use MySQL as a backing store for Jena SDB. TDB is another triple store from the Jena project, but TDB keeps its data in directory of flat files, while SDB uses a relational database. It It is recommended that you have very high IO bandwidth for the file system used by Jena TDB or MySQL, and significant memory for caching layers of the database engine.

Minimum Specification

2 core x64 processor, 2GB RAM, 100GB HDD

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4 core x64 processor, 16GB RAM, 500GB SSD

Note: If you plan on using the optional Jena SDB database option, I/O performance for MySQL is critical to the responsiveness of the application. The Regardless of chosen database, the fastest SSD you can specify will help, as will having direct (e.g. not virtualised) access to it.

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<settings>
  .
  .
  <proxies>
   <proxy>
      <active>true</active>
      <protocol>http</protocol>
      <host>proxy.somewhere.com</host>
      <port>8080</port>
      <username>proxyuser</username>
      <password>somepassword</password>
      <nonProxyHosts>www.google.com|*.somewhere.com</nonProxyHosts>
    </proxy>
  </proxies>
  .
  .
</settings>

Anchor
Tomcat Tomcat

Tomcat 8

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or

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9

VIVO is a web application, which requires a servlet engine to host. It has been tested with Tomcat 8.5, and 9, and 10. The applications make use of Tomcat context.xml configuration files - if you wish to use an alternative servlet engine, you will need to make the appropriate adjustments.

You may use Tomcat as supplied by your operating system / package manager providing is meets the minimum requirements, or you can download it from: http://tomcat.apache.org/download-85.cgi. Note, VIVO does not currently support Tomcat 10+.

Tomcat User: When running, Tomcat is usually launched under an unprivileged user account. As VIVO needs to be able to read and write to the home directory, you must ensure that permissions are set on the home directory correctly. This is most easily achieved by assigning ownership to the user that Tomcat is running as.

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