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# Chapter 2. System Requirements for CloverETL Server

## Hardware Requirements

Table 2.1. Hardware requirements of CloverETL Server

| Basic Edition | Corporate Edition | Cluster
--- | --- | --- | ---
RAM | 4 GB (recommended 16 GB) | 8 GB (recommended 64 GB) | 8 GB (recommended 64 GB)
Processors | up to 4 cores | 16 cores | 8 cores [a]
Disk space (installation) | 1 GB | 1 GB | 1 GB
Disk space (tempspace) | > 25 GB [b] | > 25 GB [b] | > 25 GB [b]
Disk space (data) | > 50 GB [b] | > 50 GB [b] | > 50 GB [b]
Disk space (shared) [c] | - | - | > 50 GB [b]
[a] This may vary depending on total number of nodes and cores in license. [b] Minimum value, the disk space depends on data. [c] Disk space for shared sandboxes is required only for CloverETL Cluster.

## Software Requirements

##### Operating system

CloverETL server is compatible with Windows and Unix-based systems, as well as with other systems supporting Java (Mac OS X, IBM System, etc.).

##### Java Virtual Machine

- Oracle JDK 7/8 32/64 bit

- IBM SDK 7 (for IBM WebSphere only)

##### Application Server

- Apache Tomcat 6 or 7 or 8

- Jetty 9.1

- IBM WebSphere 8.5

- Glassfish 3.1

- JBoss 6 or 7

- Oracle WebLogic 11g (10.3.6) or 12c (12.1.2 or 12.1.3) 32/64 bit

Table 2.2. CloverETL Server Compatibility Matrix

| CloverETL 3.5 | CloverETL 4.0 | CloverETL 4.1, 4.2, 4.3, 4.4, and 4.5 | CloverETL 4.6
--- | --- | --- | --- | ---
Application Server | Java 6 and 7 | Java 7 | Java 7 | Java 8 | Java 7 | Java 8
Tomcat 6[a] |  |  |  |  |  |
Tomcat 7 |  |  |  |  |  |
Tomcat 8 |  |  |  |  |  |
Pivotal tc Server Standard (3.1.3, Tomcat 7) |  |  |  |  |  |
Jetty 6 |  |  |  |  |  |
Jetty 9 |  |  |  |  |  |
WebLogic 11g (10.3.6) |  |  |  |  |  |
WebLogic 12c (12.1.2) |  |  |  |  |  |
WebLogic 12c (12.1.3) |  |  |  |  |  |
JBoss AS 5 |  |  |  |  |  |
JBoss AS 6 |  |  |  |  |  |
JBoss AS 7 |  |  | [b] | [c] | [b] | [c]
Glassfish 2 |  |  |  |  |  |
Glassfish 3 |  |  |  |  |  |
WebSphere 7 |  |  |  |  |  |
WebSphere 8.5 |  |  |  |  |  |
[a] Please note that support for Apache Tomcat 6.0.x has ended on 31 December 2016. See End of life for Apache Tomcat 6.0.x for more information. [b] EAP 6.2 [c] EAP 6.4

We support Java 8 on particular supported application server only if the application server itself officially supports Java 8.

##### Database servers

We support the following database servers. The officially supported versions, we are testing against, are in parentheses.

- MySQL (5.6.12)

- DB2 (10.5.1)

- Oracle (11.2.0.2.0)

- SQL Server 2008 (10.0.1600.22)

- PostgreSQL (9.2.4)

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