Unreferenced
BJ Grau
Ranch Hand
Posts: 234
posted 15 years ago
Folks -
Does anybody have any input on how to handle a client that has crashed? I am using the Unreferenced interface to detect when a client is done with a remote object, but Unreferenced doens't help me much if a client does not finish with a remote object gracefully. If a client crashes I have to wait for the lease time to expire before Unreferenced.unreferenced() gets called on my object. I don't want to lower the lease time because to make it useful for cleaning up after a crashed client would require me to lower it to the point that my client VMs would be renewing leases far too frequently.
Should I even be worrying about crashed clients?
-BJ Grau
Does anybody have any input on how to handle a client that has crashed? I am using the Unreferenced interface to detect when a client is done with a remote object, but Unreferenced doens't help me much if a client does not finish with a remote object gracefully. If a client crashes I have to wait for the lease time to expire before Unreferenced.unreferenced() gets called on my object. I don't want to lower the lease time because to make it useful for cleaning up after a crashed client would require me to lower it to the point that my client VMs would be renewing leases far too frequently.
Should I even be worrying about crashed clients?
-BJ Grau
Bryan Clauser
Greenhorn
Posts: 29
posted 15 years ago
BJ,
Depends on how robust you want to make you system. Remember that the specs say nothing about having to deal with a client crash. I stuck to the specs, and just documented that I did not implement anything for the client crashing, because of the small amount of time that there would be for a client to crash while actually having a record locked will be less than a second, so I felt at this stage of the program client crashes did not need to be taken into account.
[ May 24, 2002: Message edited by: Bryan Clauser ]
Depends on how robust you want to make you system. Remember that the specs say nothing about having to deal with a client crash. I stuck to the specs, and just documented that I did not implement anything for the client crashing, because of the small amount of time that there would be for a client to crash while actually having a record locked will be less than a second, so I felt at this stage of the program client crashes did not need to be taken into account.
[ May 24, 2002: Message edited by: Bryan Clauser ]
Bryan<p>SCJP, SCJD, SCWCD</p>
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