•Access log: The access log contains detailed information about client connections to the directory. It provides beneficial troubleshooting information. Access logging is enabled by default.

•Error log: The error log contains detailed messages about errors and events that the directory experiences during normal operations. Error logging is enabled by default.

•Audit log: The audit log contains detailed information about changes made to each database and to server configuration. By default, audit logging is disabled.

In a typical production environment, access log should be turned off; otherwise, it can cause excessive disk I/O that affects performance — even with buffering. For improved directory server performance, HP recommends hosting the access log file on a lightly-loaded disk.

In the performance test environment, turning off the access log yielded an increase in the search throughput rate by 4%. For test results, see Table 6.

Performance measurements

This section describes performance testing for HP-UX Directory Server version 8.1 under a controlled environment with databases containing 100, 10K, 100K, 250K, 500K and 1M entries. The directory entries were inetorgPerson entries generated by the dbgen script (located in the /opt/dirsrv/bin directory on a system installed with HPDS 8.1). Performance data was measured for exact search on cn only.

Purpose

•Find out how the number of CPUs affects the performance.

•Find out how thread numbers (nsslapd-threadnumber) affects the performance.

•Find out how the dbcache size (nsslapd-dbcachesize)affects the performance.

•Find out how the cache size in terms of memory (nsslapd-cachememsize)and the cache size in terms of entries it can hold (nsslapd-cachesize)affect the performance.

•Find out how logging affects the performance.

•Find out the performance differences between a SSL connection and a non-SSL connection.

Test results

Data collection 1: (Different number of CPUs)

This set of data is collected to show the performance differences resulting from different numbers of CPUs, as measured on the Montvale-based test configuration @1.66GHz /CPUs.

•# of entries: 500k entries

•128 client threads

•HPDS parameter settings: nslapd-dbcachesize and nslapd-cachememsize are big enough to cache all the entries, and nsslapd-threadnumber is set to 6.

From Table 1, we can see that as the number of CPUs doubles, the performance nearly doubles.

Table 1: HPDS 8.1 performance in relation to numbers of CPUs

Server

 

Searches per

 

 

second

Montvale-based test configuration 1

CPU (2 cores) @1.6GHz

9471.60

Montvale-based test configuration 2

CPUs (4 cores) @1.6GHz

18650.35

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HP UX Direry Server manual Performance measurements, Purpose, Test results, Data collection 1 Different number of CPUs
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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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