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Tim Nelson wrote:
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<pre wrap="">----- "mcclnx mcc" <a class="moz-txt-link-rfc2396E" href="mailto:mcclnx@yahoo.com.tw"><mcclnx@yahoo.com.tw></a> wrote:
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<pre wrap="">we have CENTOS 5 on DELL servers. some servers have longer than one
year did not reboot. Our consultant suggest we need at least reboot
once every year to clean out memory junk.
What is your opinion?
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If you're running a Windows server, yes, a period reboot is necessary to 'clean it out'. However, in Linux land, this is not typically necessary as a 'rule'. You could certainly be running applications with memory leaks or other special circumstances that warrant a clean boot.
I have several Linux boxes running a variety of flavors including CentOS, Debian, and even Redhat (think old 8.x/9.x days) with uptimes ranging between 13 months to over two years. They're running perfectly without the 'yearly reboot'.
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If the server is not internet facing and thus vulnerable to various
attacks, one can leave them running just fine. I had an asterisk server
on Centos 5.1 that had an uptime of nearly 800 days before I had to
relocate it.<br>
If the server is accessible directly from the internet it may well be
prudent to reboot to enable the latest kernel patches.<br>
YMMV - I normally reboot my web servers every 90~120 days if there have
been updates to the kernel.<br>
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<pre wrap="">--Tim
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