Re: [Quickfix-developers] QuickFIX store and log DB down
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From: Oren M. <or...@qu...> - 2007-06-20 19:56:35
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The repository changes this. Now quickfix return false on send if the store is unavailable. --oren On Jun 20, 2007, at 1:51 PM, Djalma Rosa dos Santos Filho wrote: > QuickFIX Documentation: http://www.quickfixengine.org/quickfix/doc/ > html/index.html > QuickFIX Support: http://www.quickfixengine.org/services.html > > Hi Benny, > > Following is my opinion: > > I don't believe that the logging unavailability should be a reason to > reject a message, although this is a problem that I would like to be > able to detect and correct it at my side asap. > > Anyway, some weeks ago when I was debugging a specific application > error, I also found that the errors in underlying database are simply > hidden from the application, like for example undesired schema > modifications, connection failures etc. > > I thought about an alert mechanism for monitoring, some kind of > callback function or an external file to log errors in logging class > (MySQLLog e.g.). This way, it would become easier to detect errors and > have a recovery mechanism in the application for logging and store. > > Following was the issue I opened with a feature request. > http://www.quickfixengine.org/bugtracker/bug.php?op=show&bugid=255 > > I figure out that the problem is worse if the Store is down, > SendToTarget will return false, although the message might have been > sent. But, with no warranty at all, since retransmission won't be > possible in this situation. > > I belive that currently QF has a very optimistic aproach for the > problems we're concerned about. > > Djalma > > On 6/20/07, bennyzlm <ben...@ho...> wrote: >> QuickFIX Documentation: http://www.quickfixengine.org/quickfix/doc/ >> html/index.html >> QuickFIX Support: http://www.quickfixengine.org/services.html >> >> >> Hi, >> >> Currently I am focusing on recovery if some component in the >> system down. >> More specificly, if I use MySQL to be the store and log >> destination for >> quickfix, what will the quickfix engine response to the messaged >> received >> during MySQL is down? I did some experiments and it seems quickfix >> throws >> some SQL exception but do not response any reject message. Is >> there any way >> in quickfix to response the other side that it is down, or reject >> to any >> action taken by the other side? Thanks for any help! >> >> Regards, >> Benny >> -- >> View this message in context: http://www.nabble.com/QuickFIX-store- >> and-log-DB-down-tf3950636.html#a11208236 >> Sent from the QuickFIX - Dev mailing list archive at Nabble.com. >> >> >> --------------------------------------------------------------------- >> ---- >> This SF.net email is sponsored by DB2 Express >> Download DB2 Express C - the FREE version of DB2 express and take >> control of your XML. No limits. Just data. Click to get it now. >> http://sourceforge.net/powerbar/db2/ >> _______________________________________________ >> Quickfix-developers mailing list >> Qui...@li... >> https://lists.sourceforge.net/lists/listinfo/quickfix-developers >> > > ---------------------------------------------------------------------- > --- > This SF.net email is sponsored by DB2 Express > Download DB2 Express C - the FREE version of DB2 express and take > control of your XML. No limits. Just data. Click to get it now. > http://sourceforge.net/powerbar/db2/ > _______________________________________________ > Quickfix-developers mailing list > Qui...@li... > https://lists.sourceforge.net/lists/listinfo/quickfix-developers > |