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| -rw-r--r-- | docs/docbook/projdoc/Portability.sgml | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/docs/docbook/projdoc/Portability.sgml b/docs/docbook/projdoc/Portability.sgml index 61a694e130..39ed37585f 100644 --- a/docs/docbook/projdoc/Portability.sgml +++ b/docs/docbook/projdoc/Portability.sgml @@ -180,9 +180,42 @@ Corrective Action: Delete the entry after the word loopback <title>Sequential Read Ahead</title> <!-- From an email by William Jojo <jojowil@hvcc.edu> --> <para> -Disabling Sequential Read Ahead using "vmtune -r 0" improves +Disabling Sequential Read Ahead using <userinput>vmtune -r 0</userinput> improves samba performance significally. </para> </sect2> </sect1> + +<sect1> +<title>Solaris</title> + +<para>Some people have been experiencing problems with F_SETLKW64/fcntl +when running samba on solaris. The built in file locking mechanism was +not scalable. Performance would degrade to the point where processes would +get into loops of trying to lock a file. It woul try a lock, then fail, +then try again. The lock attempt was failing before the grant was +occurring. So the visible manifestation of this would be a handful of +processes stealing all of the CPU, and when they were trussed they would +be stuck if F_SETLKW64 loops. +</para> + +<para> +Sun released patches for Solaris 2.6, 8, and 9. The patch for Solaris 7 +has not been released yet. +</para> + +<para> +The patch revision for 2.6 is 105181-34 +for 8 is 108528-19 +and for 9 is 112233-04 +</para> + +<para> +After the install of these patches it is recommended to reconfigure +and rebuild samba. +</para> + +<para>Thanks to Joe Meslovich for reporting</para> +</sect1> + </chapter> |