Large-scale production installations, and another question
dormando at rydia.net
Sun Jun 29 09:23:58 UTC 2008
> On 6/29/08, dormando <dormando at rydia.net> wrote:
>>> so if no_verify=0, then it issues a HEAD to see if the file exists, if
>>> so, it replies back "yes, i have the file" to the tracker, which
>>> combines those replies from the various storage nodes marked as the
>>> ones that have it, and then sends that to the client?
>>> couldn't there be a process which runs constantly and knocks out nodes
>>> with invalid HEAD replies as being out of date/needing fixed (i'm sure
>>> those tools exist and i just don't have enough experience with
>>> mogilefs yet...)
>> fsck. the verify option is for more realtime fun. I try to let fsck do
>> its thing and take a minor hit for the speed increase.
> yeah that sounds right. i would expect fsck to take care of removing
> stale links etc.
> okay, so i set no_verify in the params passed to get_paths?
Yeah, see your local API manpage and various examples. I forget the
exact syntax offhand :)
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