Re: dst cache overflow diags

2005-08-31 Thread Dr. David Alan Gilbert
* Alexey Kuznetsov ([EMAIL PROTECTED]) wrote: > Hello! > > > Thanks for that explanation - it helps somewhat - one thing I was > > confused by was why the timer mechanism for the garbage collection > > was so elaborate; why does it do all that back off stuff and > > adjusting itself? Why not just

Re: dst cache overflow diags

2005-08-30 Thread Alexey Kuznetsov
Hello! > Thanks for that explanation - it helps somewhat - one thing I was > confused by was why the timer mechanism for the garbage collection > was so elaborate; why does it do all that back off stuff and > adjusting itself? Why not just run at some fixed rate? What's about timer in dst.c, it i

Re: dst cache overflow diags

2005-08-29 Thread Dr. David Alan Gilbert
Hi, Alexey and Herbert - thanks for the replies. Alexey wrote: > > similar things on a router - it has died 3 or 4 times (over a period > > of a few months) with such an error with very little traffic passing > > through it and a stream of the 'dst cache overflow' errors on the screen. > > Act

Re: dst cache overflow diags

2005-08-29 Thread Herbert Xu
Alexey Kuznetsov <[EMAIL PROTECTED]> wrote: > > Really bad overflow happens when lots of entries remain in use, because > someone forgot to release the references to dst cache entries. > It is the first thing to check. Yes. I once had a situation where a buggy user-land program held many sockets

Re: dst cache overflow diags

2005-08-29 Thread Alexey Kuznetsov
Hello! > similar things on a router - it has died 3 or 4 times (over a period > of a few months) with such an error with very little traffic passing > through it and a stream of the 'dst cache overflow' errors on the screen. Actually, it is quite unusual. The problems with garbage collection are