One goal I have over the next couple months is creating organized documentation on Oracle Wait events. One event, os-thread-startup, is not well documented and here is a good blog entry about one persons experience with it
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Kyle. This is a useful link. It's good to know that some network problems block the OS thread startup and the wait event is literally expressed as "os-thread-startup".
ReplyDeleteI believe that the network problem is the main reason of login hangs - maybe 90% of them!
In that case, truss and it's families(strace, ...) might be the only reliable tools as the original post shows.