Debug Messages on clientReadRequest?

Hi.

When I used squid, I encountered odd messages from cache.log.

That log has several messages.

 -- < here > --
1998/04/20 07:42:30| clientReadRequest: FD 28: no data to process
  ((35) Resource temporarily unavailable)
1998/04/20 07:42:30| clientReadRequest: FD 24: no data to process
  ((35) Resource temporarily unavailable)
1998/04/20 07:42:31| requestTimeout: FD 41: lifetime is expired.
1998/04/20 07:42:31| clientReadRequest: FD 27: no data to process
  ((35) Resource temporarily unavailable)
1998/04/20 07:42:38| clientReadRequest: FD 40:
  (54) Connection reset by peer

 -- ---- ---

 I'm using squid 1.2beta19.
 
 Could you explain what resource needed more ?

 Our squid runs very well, but sometimes the throughput stops 10~30 seconds.

 I doubt it was blocked in some routines, or it doen't support resource
 management..

 Is there any debugging techniqueue ?

 My testing squid server's performance made throughput of 100~150 hit/sec at
 peak time. And 100,000 hit per day.

 But I can't see any performance degrade on memory. (It have enough
 memory (no swap-in&swap-out occurs)

 Any Idea !!

--
Jaeho Yang
jhyang@nuri.net