Question 277586 in Memcached Question posted in
A decent usage manual can be found here.

How do run set command with memcached via netcat/telnet

I’m trying to understand memcached and troubleshoot one of my applications that uses it, but I’m having a hard time executing the set command. I’m following this tutorial here. https://www.tutorialspoint.com/memcached/memcached_set_data.htm Here is what I’m trying.

nc localhost 11211
set tutorialspoint 0 900 9
memcached

CLIENT_ERROR bad data chunk

I’ve looked at a couple of other tutorials and I’ve even looked at the source code of a Golang client and they all seem to be calling set like this, but for some reason it’s not working for me.

I’m on an arm MacBook running memcached version 1.6.19

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  1. Chosen as BEST ANSWER
    0

    After looking at some memcached clients and the memcached source code, I found that memcached is looking for the rn line endings and Mac only uses the line feed (LF or n).

    To solve the problem with netcat, I followed this answer here. https://superuser.com/questions/942217/how-do-i-interactively-type-r-n-terminated-query-in-netcat. It says you can use the -C option but that didn't work for me, and I had to type control-v + control-m instead.


  2. 0

    membash memcached bash client in github.

    All you need commands are there.

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