Bats- I'm seeing TB causing 100% server CPU usage on a client's win2k system. Here's my theory about what's going on. Any comments?
They've got Norton Antivirus Corporate edition installed on the server. The corporate edition doesn't seem to be very configurable (I didn't do the installation, so I don't have the docs to check with). You seem to be able to configure it to exclude certain files or folders, or to do entire system scans at a given time, or to scan removeable devices as an option. There are about a dozen email accounts that need checking on a regular basis during the day. They got set to check for new mail every one minute (I recommended 5 minute cycles, but let's talk about the one minute cycle for now). This combination of things seems deadly and here's what I think: TB launches the Connection Center and starts checking for new mail. When a new message comes in TB stuffs it into a temp directory. Norton, noticing that a new file has just appeared, scans the file. If all is well, TB integrates the new message into the message database file. Norton, noticing that the message database has changed, checks the database file. This can take a long time, depending on the size of the file. Now control returns to TB, which Norton has had in blocking mode all this time, and the second message comes in. So... reality check time... does this make sense? Has anyone else run into this? Is anyone else running a combination of win2k, TB, and Norton corporate edition? Is there somewhere else I might think of checking to see why TB is pegging at 100% CPU cycles while checking email? We can certainly configure Norton not to check the email directory and the temp directory, which should eliminate this problem, but then the incoming emails wouldn't be virus-checked. There doesn't seem to be an option to check emails, incoming or outgoing. I wasn't the consultant who came in and installed Norton in the first place, I just inherited it. And, yes, I *have* recommended NOD32. I have this same setup here (running NOD32 instead of Norton) and when the Connection Center comes up I see my CPU cycles spiking to 10% from a nominal level of 2-5%. The only thing that regularly uses 100% is setiathome, but that's what it's designed to do (using background cycles). -Mark Wieder Using The Bat! v1.63 Beta/7 on Windows 2000 5.0 Build 2195 Service Pack 2 ________________________________________________ Current version is 1.62r | "Using TBUDL" information: http://www.silverstones.com/thebat/TBUDLInfo.html
