Re: radosgw: shadow objects

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



I see the reason now, but is the "period" configurable?
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?

Henry

2011/9/30 Yehuda Sadeh Weinraub <yehudasa@xxxxxxxxx>:
> Instead of removing the shadow objects, we add an intent entry to the
> intent log. This is done, so that an object read that happens while
> doing a write to the object can complete successfully, while returning
> the original object. A separate process then have to remove those
> entries, but only after a long period (e.g., a couple of days). The
> radosgw-admin utility can handle that.
>
> On Thu, Sep 29, 2011 at 9:14 AM, Henry C Chang <henry.cy.chang@xxxxxxxxx> wrote:
>> Hi,
>>
>> With radosgw, I noticed that after the actual objects are deleted, the
>> shadow objects still remains. I am wondering when the shadow object
>> will be deleted. Is it a bug or on purpose?
>> My used data size keeps growing...
>>
>> Henry
>> --
>> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in
>> the body of a message to majordomo@xxxxxxxxxxxxxxx
>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>>
>
--
To unsubscribe from this list: send the line "unsubscribe ceph-devel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [CEPH Users]     [Ceph Large]     [Information on CEPH]     [Linux BTRFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]
  Powered by Linux