红帽全球峰会9.3. 在 IdM 服务器中调整 ipa-extdom 插件的最大缓冲区大小
您可以增加 ipa-extdom 插件的最大缓冲区大小，以便在检索大量 Active Directory 用户和组数据时减少重试尝试。
IdM 客户端无法直接从活动目录(AD)接收有关用户和组的信息。相反，IdM 服务器使用 ipa-extdom 插件从 SSSD 检索 AD 用户和组的信息，然后将该信息转发到请求的客户端。
您可以调整 ipa-extdom 插件的最大缓冲区大小，它调整 SSSD 可以存储它接收数据的缓冲区的大小。如果缓冲区太小，SSSD 会返回 ERANGE 错误，并且插件会以更大的缓冲区重试请求。默认缓冲区大小为 134217728 字节(128 MB)。
以下示例将最大缓冲区大小调整为 256 MB（268435456 字节）。
先决条件
- LDAP Directory Manager 密码
流程
使用以下命令将最大缓冲区大小设置为 268435456 字节：
# ldapmodify -D "cn=Directory Manager" -W dn: cn=ipa_extdom_extop,cn=plugins,cn=config changetype: modify replace: ipaExtdomMaxNssBufSize ipaExtdomMaxNssBufSize: 268435456
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