[Gluster-users] Gluster limits and best practices

[Amar Tumballi]

>
> We are evaluating Gluster as the filesystem for a large scale web
> application where users upload many images. I wanted to see what are the
> limitations of Gluster as far as number of files/directories and more
> importantly what are some best practices?
>
> We are thinking of using distributed + replicated mode with 3 copies of
> each file. Is that the best approach?
>
> Best option for number of copies is 2 (considering the performance), but
if your use case requires 3 copies, then that should work fine too. But
modification/creation time would be more with replica count 3.


> In addition, how should we store the files, can we have one huge flat
> namespace (i.e. UUIDs for names) or should we have a hierarchical directory
> structure just like a regular filesystem to distribute the files into many
> sub-directories?
>
> We recommend using directory structure as regular filesystem, because
having millions of files in a same directory would make the directory
listing/crawling operation to perform poorly.


Regards,
Amar
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