jiusheng chen wrote:
> Hi Hugh,
>
> we started server instance like this:
> virtuoso -df -c <ini file path>

virtuoso -c <config-file>

Note: virtuoso -? will show all the options.

Kingsley
>
> is it more safe to make it run on background? like:
> nohup virtuoso -df -c <ini file path> > log 2>&1 &
>
> On Thu, Sep 4, 2008 at 8:31 PM, Hugh Williams 
> <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> wrote:
>
>     Hi Jiusheng,
>
>     Looking the the log provided the only shutdown type messages I see
>     out of the ordinary today are of the form:
>
>     16:35:28 INFO: Checkpoint made, log reused
>     16:52:55 INFO: Server received signal 1
>     16:52:55 INFO: Initiating quick shutdown
>     16:52:55 INFO: Server shutdown complete
>
>     Where the "signal 1" message is normally the result of the server
>     having been started on foreground mode (-f) from a terminal
>     session and then being shutdown with a Ctrl C from the command
>     line. Can you confirm this is how you have been running the
>     Virtuoso Server ?
>
>     Best Regards
>     Hugh Williams
>     Professional Services
>     OpenLink Software
>     Web: http://www.openlinksw.com
>     Support: http://support.openlinksw.com
>     Forums: http://boards.openlinksw.com/support
>
>
>
>     On 4 Sep 2008, at 12:25, jiusheng chen wrote:
>
>>
>>     Hi Hugh,
>>
>>     Thanks for your answer.
>>     Log file attached.
>>     There should be only one normal shutdown today, all others can be
>>     considered as exceptional exit.
>>
>>     On Thu, Sep 4, 2008 at 6:09 PM, Hugh Williams
>>     <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> wrote:
>>
>>         Hi Jiusheng,
>>
>>         You can run multiple Virtuoso server instance on the same
>>         machine without problems provided the port numbers the server
>>         are running on are unique and the machines has sufficient
>>         resources for the intended usage scenarios.
>>
>>         I am interested to know about this "server exits for no
>>         reason" you report, thus can you provide more details on the
>>         circumstances in which these occur and your Virtuoso log
>>         (virtuoso.log) where the server may have logged any errors
>>         etc that resulted in such exits ?
>>
>>         Best Regards
>>         Hugh Williams
>>         Professional Services
>>         OpenLink Software
>>         Web: http://www.openlinksw.com
>>         Support: http://support.openlinksw.com
>>         Forums: http://boards.openlinksw.com/support
>>
>>
>>
>>         On 4 Sep 2008, at 10:58, jiusheng chen wrote:
>>
>>>         Hi Guys,
>>>
>>>         Can I run several Virtuoso server instances on the same
>>>         machine (with different port number)? if any risk exist
>>>         then? I found sometimes the server instance work well but
>>>         sometimes exited for no reason.
>>>
>>>         Environment:
>>>         OS: Debian 2.6.18.1.2007050801
>>>         Open source Virtuoso v5.0.8
>>>
>>>         On Wed, Sep 3, 2008 at 11:22 PM, Yrjänä Rankka
>>>         <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> wrote:
>>>
>>>             jiusheng chen wrote:
>>>
>>>                 Hi Hugh,
>>>
>>>                 To speed up loading large dataset like dbpedia into
>>>                 one PC, if parallel loading (split large data into
>>>                 several segments, loading these segments in
>>>                 parallel) is effective? any further suggestions?
>>>
>>>             Hi Jiusheng,
>>>
>>>             I've usually had about 3 ISQL processes per core loading
>>>             the data set. I didn't bother to split the dbpedia
>>>             dataset into any smaller segments than it was to begin with.
>>>
>>>             You'll need RAM - plenty of it. A good rule of thumb
>>>             would be to give Virtuoso at least 2/3 of total RAM in
>>>             the system.
>>>             See section [Parameters] in virtuoso.ini - the ones
>>>             you're interested about are NumberOfBuffers and
>>>             MaxDirtyBuffers.
>>>
>>>             A handy tip: you can spawn a new ISQL process when you
>>>             run a stored procedure/query by using the ampersand in
>>>             the ISQL command line. I.e.
>>>             SQL> my_lengthy_stored_proc()&
>>>
>>>             Best Regards,
>>>
>>>             Yrjänä
>>>
>>>
>>>
>>>                 On Wed, Sep 3, 2008 at 5:27 PM, Hugh Williams
>>>                 <[EMAIL PROTECTED]
>>>                 <mailto:[EMAIL PROTECTED]>
>>>                 <mailto:[EMAIL PROTECTED]
>>>                 <mailto:[EMAIL PROTECTED]>>> wrote:
>>>
>>>                    Hi Jiusheng,
>>>
>>>                    The isql program has a "shutdown" command that
>>>                 can be used to
>>>                    shutdown the Virtuoso instance it is connected to:
>>>
>>>                    $ ./isql 1111
>>>                    Connected to OpenLink Virtuoso
>>>                    Driver: 05.00.3033 OpenLink Virtuoso ODBC Driver
>>>                    OpenLink Interactive SQL (Virtuoso), version 0.9849b.
>>>                    Type HELP; for help and EXIT; to exit.
>>>                    SQL> shutdown();
>>>                    $
>>>
>>>                    Best Regards
>>>                    Hugh Williams
>>>                    Professional Services
>>>                    OpenLink Software
>>>                    Web: http://www.openlinksw.com
>>>                    Support: http://support.openlinksw.com
>>>                    Forums: http://boards.openlinksw.com/support
>>>
>>>                    On 3 Sep 2008, at 08:09, jiusheng chen wrote:
>>>
>>>                        Hi Hugh,
>>>
>>>                        Thanks for your reply.
>>>
>>>                        Perhaps I got a incorrect impression before.
>>>
>>>                        BTW, how to stop the server instance? just
>>>                     kill the virtuoso_t job?
>>>
>>>                        On Tue, Sep 2, 2008 at 4:58 PM, Hugh Williams
>>>                        <[EMAIL PROTECTED]
>>>                     <mailto:[EMAIL PROTECTED]>
>>>                     <mailto:[EMAIL PROTECTED]
>>>                     <mailto:[EMAIL PROTECTED]>>> wrote:
>>>
>>>                            Hi Jiusheng,
>>>
>>>                            The Virtuoso isql program is a simple
>>>                     Interactive SQL client
>>>                            side tool for accessing a Virtuoso server
>>>                     instance on the
>>>                            specified hostname and port number
>>>                     (localhost, 1111 being
>>>                            defaults), and as such will always assume
>>>                     the specified
>>>                            server has already been started by some
>>>                     other means
>>>                            regardless of version.
>>>
>>>                            If their is specific documentation you
>>>                     read that gave the
>>>                            impression that isql starts a Virtuoso
>>>                     instance then please
>>>                            provide a link or details of it such that
>>>                     we can have it
>>>                            corrected or made clear as to what isql
>>>                     does ...
>>>
>>>                            Best Regards
>>>                            Hugh Williams
>>>                            Professional Services
>>>                            OpenLink Software
>>>                            Web: http://www.openlinksw.com
>>>                            Support: http://support.openlinksw.com
>>>                            Forums: http://boards.openlinksw.com/support
>>>
>>>
>>>
>>>                            On 2 Sep 2008, at 02:21, jiusheng chen wrote:
>>>
>>>                                Thank you, guys.
>>>
>>>                                You are right, there needs to start
>>>                         virtuoso-t explicitly
>>>                                before using isql. But it seemed to
>>>                         me this step is not
>>>                                necessary for version 5.0.7.
>>>                         <http://5.0.7.> <http://5.0.7.>
>>>
>>>
>>>                                On Mon, Sep 1, 2008 at 5:01 PM, Tim
>>>                         Haynes
>>>                                <[EMAIL PROTECTED]
>>>                         <mailto:[EMAIL PROTECTED]>
>>>                                <mailto:[EMAIL PROTECTED]
>>>                         <mailto:[EMAIL PROTECTED]>>> wrote:
>>>
>>>                                    jiusheng chen wrote:
>>>                                    > Hi Tim,
>>>                                    >
>>>                                    > I installed it, but seems it
>>>                         doesn't work.
>>>                                    >
>>>                                    >
>>>                         [EMAIL PROTECTED]:/disk1/sda/datasets$ isql
>>>                                    > OpenLink Interactive SQL
>>>                         (Virtuoso), version 0.9849b.
>>>                                    > Type HELP; for help and EXIT;
>>>                         to exit.
>>>                                    > SQL> select * from
>>>                         DB.DBA.SYS_USERS;
>>>                                    >
>>>                                    > *** Error S2801: [Virtuoso
>>>                         Driver]CL033: Connect failed to
>>>                                    > localhost:1111 = localhost:1111.
>>>                                    > at line 1 of Top-Level:
>>>                                    > select * from DB.DBA.SYS_USERS
>>>                                    >
>>>                                    >
>>>                                    > Virtuoso was installed with
>>>                         default settings.
>>>                                    >
>>>                                    Hi,
>>>
>>>                                    This looks like you haven't
>>>                         started it. From the
>>>                                    ${prefix}/var/lib/db/
>>>                                    directory, run virtuoso-t -df  to
>>>                         make it start in the
>>>                                    foreground and once
>>>                                    it claims to be online, isql
>>>                         should work. If not, please
>>>                                    include teh server
>>>                                    debug output too.
>>>
>>>                                    Regards,
>>>
>>>                                    ~Tim
>>>                                    --
>>>                                    Tim Haynes
>>>                                    Product Development Consultant
>>>                                    OpenLink Software
>>>                                    <http://www.openlinksw.com/>
>>>
>>>
>>>
>>>
>>>                                --        Thanks,
>>>                                Chen Jiusheng
>>>
>>>
>>>
>>>
>>>
>>>                        --    Thanks,
>>>                        Chen Jiusheng
>>>
>>>
>>>
>>>
>>>
>>>                 -- 
>>>                 Thanks,
>>>                 Chen Jiusheng
>>>                 
>>> ------------------------------------------------------------------------
>>>
>>>
>>>
>>>                 
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>>>
>>>                 _______________________________________________
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>>>                 [email protected]
>>>                 <mailto:[email protected]>
>>>                 
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>>>                  
>>>
>>>
>>>
>>>             -- 
>>>             Yrjana Rankka            | [EMAIL PROTECTED]
>>>             <mailto:[EMAIL PROTECTED]>
>>>             Developer, Virtuoso Team | http://www.openlinksw.com
>>>                                    | Making Technology Work For You
>>>
>>>
>>>
>>>
>>>
>>>         -- 
>>>         Thanks,
>>>         Chen Jiusheng
>>
>>
>>
>>
>>     -- 
>>     Thanks,
>>     Chen Jiusheng
>>     <virtuoso.log>
>
>
>
>
> -- 
> Thanks,
> Chen Jiusheng
> ------------------------------------------------------------------------
>
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-- 


Regards,

Kingsley Idehen       Weblog: http://www.openlinksw.com/blog/~kidehen
President & CEO 
OpenLink Software     Web: http://www.openlinksw.com





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