+ <para><emphasis role="bold">UID/GID based TBF policy</emphasis></para>
+ <para>Command:</para>
+ <screen>$ lctl set_param ost.OSS.*.nrs_tbf_rule=\
+"[reg][hp] start <replaceable>rule_name</replaceable> uid={<replaceable>uid</replaceable>} rate=<replaceable>rate</replaceable>"
+$ lctl set_param ost.OSS.*.nrs_tbf_rule=\
+"[reg][hp] start <replaceable>rule_name</replaceable> gid={<replaceable>gid</replaceable>} rate=<replaceable>rate</replaceable>"</screen>
+ <para>Exapmle:</para>
+ <para>Limit the rate of RPC requests of the uid 500</para>
+ <screen>$ lctl set_param ost.OSS.*.nrs_tbf_rule=\
+"start tbf_name uid={500} rate=100"</screen>
+ <para>Limit the rate of RPC requests of the gid 500</para>
+ <screen>$ lctl set_param ost.OSS.*.nrs_tbf_rule=\
+"start tbf_name gid={500} rate=100"</screen>
+ <para>Also, you can use the following rule to control all reqs
+ to mds:</para>
+ <para>Start the tbf uid QoS on MDS:</para>
+ <screen>$ lctl set_param mds.MDS.*.nrs_policies="tbf uid"</screen>
+ <para>Limit the rate of RPC requests of the uid 500</para>
+ <screen>$ lctl set_param mds.MDS.*.nrs_tbf_rule=\
+"start tbf_name uid={500} rate=100"</screen>
+ </listitem>
+ <listitem>