Memory management

[Steven Grimm]

That tool appears to be rounding the slab sizes in its output. They are 
not the same size. Run memcached -vv and you'll see the actual sizes 
(they're printed at startup time when you run with -vv).

-Steve


rkmr.em at gmail.com wrote:
> This is my memcached slab details. Why are there multiple 1kB, 2kB 
> slabs? Seems ineffective. Is there someway I can change it?
> thanks
>
> memcached-tool 127.0.0.1 <http://127.0.0.1>
>   # Item_Size  Max_age  1MB_pages Full?
>   6     252 B 179013 s       1      no
>   7     316 B 171928 s       1      no
>   8     396 B 180061 s       1      no
>   9     496 B 183877 s       1      no
>  10     620 B 183887 s       1      no
>  11     776 B 183707 s       1      no
>  12     972 B 178798 s       1      no
>  13      1 kB 170944 s       1      no
>  14      1 kB 167250 s       1      no
>  15      1 kB 167223 s       1      no
>  16      2 kB 181903 s       1      no
>  17      2 kB 169914 s       1      no
>
>
> On 3/25/07, *Steven Grimm* <sgrimm at facebook.com 
> <mailto:sgrimm at facebook.com>> wrote:
>
>     Slab sizes -- or rather, the sizes of the items in each particular
>     class
>     of slabs -- are fixed at startup. Can you give an example of the
>     kind of
>     fragmentation you're seeing (or expecting to see)?
>
>     -Steve
>
>
>     Jure Petrovic wrote:
>     > Hello,
>     >
>     > a question about slabs.
>     >
>     > Does Memcached have the ability to change slab sizes during
>     runtime in
>     > order to reduce internal fragmentation?
>     >
>     > Thank you,
>     > Jure Petrovic
>     >
>     >
>
>

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