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

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

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