[Hcoop-discuss] CGI/PHP script security
Karl Chen
quarl at cs.berkeley.edu
Fri Dec 16 18:07:20 EST 2005
>>>>> On 2005-12-16 07:57 PST, Adam Chlipala writes:
Adam> Adam Chlipala wrote:
>> I'm curious: is anyone else serving/retrieving large files
>> through our Apache? 10 seconds already makes it pretty
>> trivial for a buggy infinite-looping script to take down
>> Apache.
You can use something such as 'and' (auto nice daemon) which
allows more complex criteria for killing (and nicing) processes,
such as using x% CPU or x seconds of *CPU time* (rather than
wallclock time).
As for the server being slow/unresponsive, every time it's
unresponsive for me, it turns out it's running the backup job. Is
DMA enabled? I notice that hdparm is installed but
/etc/hdparm.conf doesn't contain any stanzas to enable DMA.
--
Karl 2005-12-16 15:00
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