•Access logging enabled to ensure SSL functions correctly

Table 7 shows that the connect-and-bind performance of HPDS 8.1 is degraded about 872% when SSL is enabled.

Table 7: Performance in relation to SSL connection setting (Enabled or Disabled)

SSL Connection

Searches per second

Enable

1963.33

Disable

7259.05

For all the previous data collections, the “bind once as root” option is selected when running the benchmark test with the rsearch script. It means once an ldap connection is initialized, all the following search operations will use the same connection. In an SSL environment, overhead usually occurs during the connection setup time. To investigate how the extra workload affects the performance, the “bind for every operation” option is selected when running the benchmark test with the ldclt script. This ensures a new connection is created for all search requests.

The rsearch and ldclt scripts are located in the /opt/dirsrv/bin directory on a system installed with HPDS 8.1.

Additional tuning reference

There are several ways to manage the directory server’s performance by limiting the amount of resources the server uses to process client search requests. For example, the size limit attribute, time limit attribute, and so forth can be tuned to limit the resources the server uses. Increasing the checkpoint interval can increase the performance of directory write operations in certain rare conditions. Be cautious when tuning attributes related to the transaction log, because setting these attributes and other configuration attributes inconsistently may cause the directory to be unstable. The “Tuning Directory Server performance” chapter of the HP-UX Directory Server administrator guide provides more detailed information to help optimize directory server performance.

Appendix A: HPDS 8.1 performance test details

Test Environment

Operating system

The HP-UX 11i v3 release (Update 8, March 2011) was selected to illustrate the performance of HP- UX Directory Server 8.1 on HP Integrity servers.

System parameter tuning

All the system parameters on the test machines are tuned as recommended in the “Sizing and tuning overview” section.

General directory server configuration

For all the test data to be comparable, assume the data is collected based on the following directory server configuration (unless specified separately within each data collection section.)

1.Logging: access log: off error log: on audit log: off

2.No referrals

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HP UX Direry Server manual Additional tuning reference, Appendix a Hpds 8.1 performance test details, Test Environment
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UX Direry Server specifications

HP UX Directory Server is a robust and scalable solution designed for managing directory information within enterprise networks. Developed by Hewlett-Packard (HP), this server offers an extensive set of features tailored to meet the needs of organizations that require an efficient way to store, manage, and retrieve identity and access data.

One of the key features of HP UX Directory Server is its ability to handle large directories with significant volumes of data. Built on a highly optimized architecture, it provides excellent performance and can support millions of entries without sacrificing speed or reliability. This capability makes it an ideal choice for large-scale deployments in enterprises that require high availability and responsiveness.

In addition to its scalability, HP UX Directory Server supports a wide range of protocols, including LDAP (Lightweight Directory Access Protocol), which ensures seamless integration with diverse applications and systems across various platforms. The server maintains standards compliance, which facilitates interoperability and simplifies administration tasks.

Security is a top priority for HP UX Directory Server, offering an array of features to protect sensitive information. It supports secure data transmission via TLS/SSL protocols, ensuring encrypted communication between clients and servers. Advanced access controls allow administrators to define fine-grained permissions, helping to safeguard directory data against unauthorized access.

Another salient feature of HP UX Directory Server is its replication capabilities. The server can replicate directory data across multiple instances, ensuring data consistency and availability in distributed environments. This feature is essential for businesses operating across different geographical locations or requiring failover solutions for disaster recovery.

HP UX Directory Server also comes equipped with tools for data management, including an intuitive administration console for configuring and monitoring the server. Additionally, it offers customizable schema capabilities, enabling organizations to tailor the directory structure to fit their specific needs.

Integration with existing identity management solutions is streamlined through connectors and APIs, allowing organizations to extend their directory services and enhance user experience.

In summary, HP UX Directory Server is a powerful directory management solution that combines scalability, security, and integration flexibility. Its support for industry standards, advanced replication, and comprehensive administrative tools makes it an essential asset for organizations seeking to manage identity and access efficiently. By leveraging this technology, businesses can improve their operational efficiency and ensure a secure and organized approach to directory management.
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