On Thu, Sep 29, 2011 at 8:17 PM, Henry C Chang <[email protected]> wrote:
> I see the reason now, but is the "period" configurable?

There is no such automatic period. You'll need to set up a cron job or
something similar to get radosgw-admin to clean up all the craft.

> Another question is: it seems the shadow object is to prevent racing
> between concurrent r/w. Why do we need to keep those objects so long?
>

There is no way to actually know whether there are concurrent
operations on an object. There can be a slow read going on an object
while we write into it and we don't want that read to break.

Yehuda
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