UDP packet loss

Pavel Urban urbanp at mlp.cz
Fri Jun 9 19:03:06 UTC 2006


> Something that I have not seen mentioned yet.  Bind tries to cache a lot
> of data in memory.  If there is not enough memory, it may start to
> page/swap.  If it does that, the performance will be terrible.  That
> could cause bind to fall behind and the queries to pile up.  Check on
> how much paging/swapping your system is doing.
> 

4GB of RAM is free all the time.

top - 21:02:00 up 45 days,  4:46,  1 user,  load average: 2.44, 1.69, 1.29
Tasks:  58 total,   1 running,  57 sleeping,   0 stopped,   0 zombie
Cpu(s): 28.4% us,  3.8% sy,  0.0% ni, 67.8% id,  0.0% wa,  0.0% hi,  0.0% si
Mem:   6105240k total,  1812744k used,  4292496k free,   112084k buffers
Swap:  6289436k total,        0k used,  6289436k free,   585236k cached


-- 
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Pavel Urban (pavel.urban at imaginet.cz)
IOL system disaster
Internet OnLine, owned by Cesky Telecom, a.s. (www.ct.cz)
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    Vegetables should not operate electronic equipment.
           Computer Stupidities, http://rinkworks.com/stupid/
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