Comment #5 on issue 132 by jhpark816: Need to keep item out of LRU list
http://code.google.com/p/memcached/issues/detail?id=132
Hello, I'm Joon..
If one memcached pool is shared by several applications, the mistake of one
application can make the memcached pool to be filled with sticky items. In
that
case, the application gives bad effects on other applications. This case
should be
avoided, I think..
But, if one memcached pool is only used by one application, the result of
memcached
pool filled with sticky items is entirely up to the application. In this
case, the
application has the responsiblilty on the result. And, this situation might
be
detected and corrected in the testing phase of the application before
deployed.
If filling up all memory with sticky items is a problem, the memory area
can be
divided into two types of memory. That is, one memory area for sticky items
and the
other memory area for non-sticky(expirable and evictable) items. And, the
size of
memory area for sticky items can be adjusted with the start option of
memcached or
other configurable methods. (In this case, the implementaiton will be more
complex.)
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