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sub[ug]id manpages: add note about performance when using login names versus UIDs

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Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
This commit is contained in:
Bostjan Skufca 2014-09-05 22:34:40 +00:00 committed by Serge Hallyn
parent a113b87c45
commit 37e2a687e3
2 changed files with 14 additions and 0 deletions
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7
man/subgid.5.xml
View File

@ -77,6 +77,13 @@
Multiple ranges may be specified per user.
</para>
<para>
When large number of entries (10000-100000 or more) are defined in
<filename>/etc/subgid</filename>, parsing performance penalty will
become noticeable. In this case it is recommended to use UIDs
instead of login names. Benchmarks have shown speed-ups up to 20x.
</para>
</refsect1>
<refsect1 id='files'>

7
man/subuid.5.xml
View File

@ -77,6 +77,13 @@
Multiple ranges may be specified per user.
</para>
<para>
When large number of entries (10000-100000 or more) are defined in
<filename>/etc/subuid</filename>, parsing performance penalty will
become noticeable. In this case it is recommended to use UIDs
instead of login names. Benchmarks have shown speed-ups up to 20x.
</para>
</refsect1>
<refsect1 id='files'>