Simple questions from memcached newbie

howard chen howachen at
Wed Oct 11 16:29:12 UTC 2006

1. If the memcached server goes down, the time is finding where the
server is alive will be a bottom neck to your application?


my $obj = $::MemCache->get("foo:$foo_id"); // your application will
eventually die at this, if memcached down?

2. How to calculate the efficiency of memcached server, e.g. given
1000 KB of memory allocated, how many % are actually used for storing
the data itself?

3. in a distributed environment, i have say 2 memcached server, if the
item is no longer valid on one server, how much time is needed for
another server to know this?

thanks for any comments...

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