Documentation for Crowd 2.1.x. Documentation for other versions of Crowd is available too.

This page contains an overview of the new connection pool for LDAP directories in Crowd 2.1 Beta 2.

When connection pooling is enabled, the LDAP service provider maintains a pool of connections and assigns them as needed. When a connection is closed, LDAP returns the connection to the pool for future use. This can improve performance significantly.

This page describes the site-wide settings for LDAP connection pooling in Crowd.

To configure the LDAP connection pooling in Crowd,

  1. Log in to the Crowd Administration Console.
  2. Click the 'Administration' tab in the top navigation bar.
  3. Click 'LDAP Connection Pool' in the left-hand menu.
  4. The 'LDAP Connection Pool' screen appears. Enter the details for each setting, as described in the table below.
  5. Click the 'Update' button.
  6. Restart Crowd to put the changes into effect.

Connection Pool Setting

Description

Default Value

Initial Pool Size

The number of LDAP connections created when initially connecting to the pool.

1

Preferred Pool Size

The optimal pool size. LDAP will remove idle connections when the number of connections grows larger than this value. A value of 0 (zero) means that there is no preferred size, so the number of idle connections is unlimited.

10

Maximum Pool Size

The maximum number of connections. When the number of connections reaches this value, LDAP will refuse further connections. As a result, requests made by an application to the LDAP server will be blocked. A value of 0 (zero) means that the number of connections is unlimited.

0

Pool Timeout

The length of time, in seconds, that a connection may remain idle before being removed from the pool. When the application is finished with a pooled connection, the connection is marked as idle, waiting to be reused. A value of 0 (zero) means that the idle time is unlimited, so connections will never be timed out.

30

Pool Protocol

Only these protocol types are allowed to connect to LDAP. If you want to allow multiple protocols, enter the values separated by a space. Valid values are:

  • plain
  • ssl

plain ssl
(Both plain and ssl)

Pool Authentication

Only these authentication types are allowed to connect to LDAP. If you want to allow multiple authentication types, enter the values separated by a space. See RFC 2829 for details of LDAP authentication methods. Valid values are:

  • none
  • simple
  • DIGEST-MD5

simple

Screenshot: LDAP Connection Pool



RELATED TOPICS

Crowd 2.1 Beta 2 Release Notes

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