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Christopher Schultz
Asked: 2018-11-23 09:46:04 +0800 CST

Why can't I lower the item size in memcached (anymore)?

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I'm running memcached and recently upgraded to the latest Debian release. I'm not sure what version of memcached I had before, but the new one doesn't like this configuration setting I had in the past:

-I 1K

I want to limit the item size to 1 kilobyte, but now memcached is telling me:

$ memcached -m 64 -p 11213 -l 127.0.0.1 -U 0 -I 1K
slab_chunk_max (bytes: 1048576) cannot be larger than -I (item_size_max 1024)

It seems that the slab size can be set to a larger value, but nothing smaller than 1 megabyte.

I've looked at the manual page, etc. and I can't see any option which looks like it might let me reduce this value below 1 megabyte.

Any suggestions?

memcached

1 Answers

  1. It seems that I had to use lower case to make this work otherwise it would crash.

    Use: -I 5m

Not: -I 5M

    Hopefully this will help someone else with a similar issue.

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