[ZODB-Dev] Repozo tests -- not
ct at gocept.com
Tue Dec 8 19:50:47 EST 2009
On 12/09/2009 12:06 AM, Shane Hathaway wrote:
> Daniel Kraft wrote:
>> Jim Fulton wrote:
>>> On Tue, Dec 8, 2009 at 1:49 PM, Benji York<benji at zope.com> wrote:
>>>> Any incomplete writes that are in progress at the time of the copy will
>>>> simply be ignored when the resulting backup is opened later.
>>> Note that this assumes that you are using a straightforward linear copy.
>>> rsync would likely produce unpredictable results.
>> Every modern volume manager or whatever supports snapshotting a
>> filesystem. A snapshot is a good-enough synchonous copy. You simply
>> store its contents to somewhere and you're done, even with blobstorage.
> Very good point. Tools like LVM and ZFS probably make repozo obsolete.
Not exactly: it's still a good idea to store away deltas as single large
files are still hard to deal with except if you have really good
block-level de-duplication in your filesystem. (Uhmm. I guess ZFS
probably has all of that. It also probably serves my dinner.)
Christian Theune · ct at gocept.com
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