Ask memcached for security-related issues

May I ask memcached's security question?
I saw memcached no user password or anything like that.

You can use it on the link.

For example, I set up a key for $body on a virtual machine;

The same virtual machine as the user, if guessed out my variable name.

So is it possible for him to get a read out?



------Solution--------------------
Shared space is even more impossible, memory is enough for you to be good, not to mention the security of shared memory data.
Virtual host also has this possibility, the virtual host general configuration is very poor, so also basically no one on top of memcached it.
Usually use a few hosts to do memcached cache data one or two is the main one is used to prepare, in case of the main restart/power outage and other standby to hurry up or restore data to the host ...

Explore

Back to the 2 floor, I wrote it wrong, I mean the virtual host. Just the kind of shared space.

Back to the 3 floor, I just want to understand the mechanism, do not know whether memcached support user rights, I did not say that this function must be.

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