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I use httping and cron every hour from another machine. The only problem is when there is a network problem, and that's worth knowing about, too. - -chris ben short wrote: > I'd still recommend Nagios to do the monitoring, far cheaper than > hiring someone to do the checking 24*7. Also you'll get an instant > notification of when things go bad, rather then in 2 hours time when > someone checks it. > > You could setup 2 instances of nagios.. get them to monitor each other > and then also mirror everything that will be monitored onto each of > them. You;ll get two alerts if things go bad, but that's better than > none. > > A faq on nagios monitoring tomcat.. > > http://nagios.org/faqs/viewfaq.php?faq_id=310 > > On 5/24/07, Mark H. Wood <[EMAIL PROTECTED]> wrote: >> On Thu, May 24, 2007 at 03:03:12PM +0530, Praveen Kumar wrote: >> > It seems this is also one type of tool. Here again we have some >> problem >> > ie we should monitor this tool too right ? >> > >> > So instead installing new tool to monitor tomcat server , is >> there any >> > feature that apache group provides to inform tomcat server status ? >> >> There is an insoluble dilemma here. >> >> If you use a separate process to monitor your server, then that >> process must also be monitored. Eventually you have two processes >> watching each other, whatever else they may be doing. >> >> If you do *not* use a separate process, then your server can only >> report its state transitions if it is still able to do so. A crashed >> process cannot tell you that it has crashed; the most you can get is >> that it will begin failing to tell you that it has *not* crashed. >> >> To get complete coverage can become quite elaborate. To protect >> against hardware failure, you need two machines monitoring each other. >> To protect against network or utility power failure, you need two (or >> more) machines monitoring each other from different sites. >> >> At some point as this scales up, it may be more sensible to just hire >> somebody to watch screens and check things periodically. >> >> -- >> Mark H. Wood, Lead System Programmer [EMAIL PROTECTED] >> Typically when a software vendor says that a product is "intuitive" he >> means the exact opposite. >> >> >> > > --------------------------------------------------------------------- > To start a new topic, e-mail: users@tomcat.apache.org > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFGVZxt9CaO5/Lv0PARAtBUAJ9NmYhhoObys/3XL8OTy9equ4mNtQCfUy8n wrhleB5kift4bc8sV35xyuU= =VEFp -----END PGP SIGNATURE----- --------------------------------------------------------------------- To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
