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Info
titleNote:
  • For remote installations which include both PostgreSQL and SOLRSolr, we recommend a minimum of two server machines.
  • We highly recommend that you select the disk subsystem (hardware raid, software raid, LVM or any combination) with support for extending device capacity. New and updated content is continually flowing through CLAIMS Direct, and it is very important that your disk subsystem possesses the capacity for expansion.
  • IFI CLAIMS has produced a patched release of libxml2-2.9.2 as an RPM. We recommend locally installing this package and replacing the package in the distribution. Download the RPM at: http://alexandria.fairviewresearch.com/software/libxml2/f20/libxml2-2.9.2-1.fc20.x86_64.rpm. Contact support@ificlaims.com if other versions are required.

PostgreSQL Requirements

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Hardware Requirements

Requirement

Recommended

CPU4-cores
System Memory24GB
Storage Capacity4TB 6TB (SSD preferredrequired)

Software Requirements

RequirementMinimum

VersionSupported Versions

Notes

Operating SystemRHEL 7, Fedora 25-27, CentOS 7, /Rocky 8, Amazon Linux AMIIf you are using Fedora, you must use version 27 or below. Installing Fedora v28 and above will install a version of PostgreSQL that is incompatible with CLAIMS Direct2We do not support Ubuntu or any operating system not explicitly listed.
PostgreSQL9.4
 yum -y install \
    postgresql postgresql-contrib \
    postgresql-odbc postgresql-plperl \
    postgresql-server

Note: Versions 10 and above are incompatible with CLAIMS Direct.

IFI CLAIMS RepositoryRHEL/CentOS 7
yum -y install \
11 - 14

For the appropriate repository see https://

repo

www.

ificlaims

postgresql.

com/ifi-claims-direct/centos/7/x86_64/ifi-claims-direct-beta-0.0.2-1.el7.centos.x86_64.rpm

Note: CentOS 7 needs an additional repository: yum -y install epel-releaseorg/download/linux/redhat/

IFI CLAIMS Repository
Amazon Linux 2
sudo yum -y install \
https https://repo.ificlaims.com/ifi-claims-direct/amazonamzn2/x86_64/ifi-claims-direct-beta-01.0.2-1.amzn1amzn2.x86_64.rpm 
Fedora
yum
RHEL/Rocky 8
sudo dnf -y install \
https://repo.ificlaims.com/ifi-claims-direct/fedorarocky/278/x86_64/ifi-claims-direct-beta-01.0.2-1.fc27el8.x86_64.rpm

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Solr Basic Distributed Requirements (Type 2)

Warning

Information about Solr has been deprecated and should not be implemented. Updated information will be available soon.

Hardware Requirements

Since CLAIMS Direct SOLR Solr is a pre-configured, bundled distribution of Apache SOLRSolr, it can be deployed on any number of nodes (individual instances). This documentation describes installation and configuration on a single node without the use of SolrCloud.

There are many scenarios for a CLAIMS Direct deployment that range from indexing the entire content of CLAIMS Direct XML to the sparse indexing of certain fields and ranges of publication dates for application-specific usage. There could also be specific QoS requirements: minimum supported queries per second, average response time, etc. All of these factors play a role in planning for a CLAIMS Direct SOLR Solr deployment. Generally speaking, a stand-alone full index with the entire content of CLAIMS Direct XML requires, at a minimum, the following:

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Requirement

Minimum

Recommended

CPU16-cores32-cores
System Memory128GB256GB
StorageBasic: 4TB 6TB (SSD)
Premium: 8TB (SSD)
Premium+: 8TB (SSD)

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The minimum required storage allows for a full index and approximately 1-2 years of growth. It doesn't allow space for SOLR Solr optimization (see "Commit and Optimize Operations" in Uploading Data with Index Handlers) unless carefully planned. Please contact support@ificlaims.com for more information about optimization with minimum requirements.

Currently, the delivery of a fully populated CLAIMS Direct index requires the above SOLR Solr hardware requirements. A customized deployment with select data to index is currently not offered fully populated. With a custom configuration, hardware requirements are dependent on use case and complete indexing will need to be done at the installation site.

Software Requirements

The CLAIMS Direct SOLR Solr installation is a self-contained package suitable for deployment on any Linux server running Java 8. The simple prerequisite tool list follows:

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Name

Used By

javaZooKeeper, SOLR Solr and various support tools
wgetConfiguration tools (bootstrap-*.sh)
lsofStart/stop scripts (solrctl/zookeeperctl)

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Solr Advanced Distribution Requirements (Type 3)

Warning

Information about Solr has been deprecated and should not be implemented. Updated information will be available soon.

Hardware Requirements

As CLAIMS Direct SOLR Solr is a pre-configured, bundled distribution of Apache SOLRSolr, it can be deployed on any number of nodes (individual instances). A group of nodes function to expose a collection. Further, multiple collections could be searched across the distribution.

There are many scenarios for a CLAIMS Direct deployment that range from indexing the entire content of CLAIMS Direct XML to the sparse indexing of certain fields and ranges of publication dates for application-specific usage. There could also be specific QoS requirements: minimum supported queries per second, average response time et al. All of these factors play a role in planning for a CLAIMS Direct SOLR Solr deployment. Generally speaking, a full index with the entire content of CLAIMS Direct XML requires, at a minimum:

Number

Type

Specs

8

SOLR Solr search server

nodes 1-3 housing the ZooKeeper quorum

minimum:
  • CPU: 2 cores
  • RAM: 16GB
  • Disk: 1TB
1processing serverminimum:
  • CPU: 4 cores
  • RAM: 16GB
  • Disk: 1TB

The ZooKeeper quorum could be placed together on SOLR Solr search servers or, optionally, you could break out the ZooKeeper configuration into an additional 3 separate servers.

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Currently, the delivery of a fully populated CLAIMS Direct index requires the above SOLR Solr and ZooKeeper configuration (8 SOLR Solr servers + 3 ZooKeepers). Load balancers and web servers are required only if CLAIMS Direct Web Services (CDWS) will be installed as well. A customized deployment with select data to index is currently not offered fully populated. With a custom configuration, complete indexing will need to be done at the installation site.

Software Requirements

The CLAIMS Direct SOLR Solr installation is a self-contained package suitable for deployment on any Linux server running Java 8. The simple prerequisite tool list follows:

Name

Used By

javaZooKeeper, SOLR Solr and various support tools
wgetConfiguration tools (bootstrap-*.sh)
lsofStart/stop scripts (solrctl/zookeeperctl)

The configuration script setup.sh assumes that each node in the cluster will have the same directory structure. For example, if you download to a machine and unpack the archive into path /cdsolr, the full path to the package will be /cdsolr/alexandria-solr-v2.1.2-distribution. Each node must have the path /cdsolr available for deployment. You are free to choose any mount point or path as long as they are uniform across all nodes in the cluster and as long as the mount point or path for each SOLR Solr node has at least 1TB of available disk space.

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RequirementMinimum VersionNotes
Operating SystemRHEL 7, Fedora 25-27, CentOS 7/Rocky 8, Amazon Linux AMIIf you are using Fedora, you must use version 27 or below. Installing Fedora v28 and above will install a version of PostgreSQL that is incompatible with CLAIMS Direct2We do not support Ubuntu or any operating system not explicitly listed.
IFI CLAIMS Repository
RHEL/CentOS 7
yum -y install \
https://repo.ificlaims.com/ifi-claims-direct/centos/7/x86_64/ifi-claims-direct-beta-0.0.2-1.el7.centos.x86_64.rpm

Note: CentOS 7 needs an additional repository: yum -y install epel-release

Amazon LinuxAmazon Linux 2
yum -y install \
https https://repo.ificlaims.com/ifi-claims-direct/amazonamzn2/x86_64/ifi-claims-direct-beta-01.0.2-1.amzn1amzn2.x86_64.rpm Fedora

RHEL/Rocky 8
yum -y install \
https://repo.ificlaims.com/ifi-claims-direct/fedorarocky/278/x86_64/ifi-claims-direct-beta-01.0.2-1.fc27el8.x86_64.rpm 

Web Server Requirements

Hardware Requirements

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If you want to customize logging, copy the distribution alexandria-log.conf file to /etc.

Code Block
cp /usr/share/perl5/vendor_perl/auto/share/dist/Alexandria-Library/alexandria-log.conf /etc

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If you make no changes, default logging is output to /tmp/alexandria.log.

For more information about how the alexandria tools log, see:

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  1. --IFIuser/--IFIpassword passed to apgupd – issued by IFI CLAIMS
  2. --PGSuser/--PGSpassword used to connect to postgresql – postgresql – created during the Postgres PostgreSQL database installation

apgupd requires the IFIuser / IFIpassword, e.g.,

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If you used a different user to create and load the alexandria database, you will need to modify the database entry in the file pointed to by:

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