Typo:
On 07/09/2015 09:37 PM, Owen Synge wrote:
> Dear all,
>
> Their are other details to be discussed, and hopefully lead to
> agreement, but lets get to issue #1. The style issues still apply to
> ceph and ceph-deploy.
>
> From what you said, in my opinion the "boat anchor" in ceph-deploy is
> redefined, as coupling of facade pattern, where all data is available,
> to the ssh loop in a connection. This is probably the biggest single
> architectural issue in ceph-deploy.
>
> Travis Rhoden stated that the modules are imported as objects as they
> are "instantiated", I should check this, this is very good news and
> removes many objections to the outcome.
>
> The discussion of point
2) façade requires code layout inflexibility.
> is still worth continuing though in a
> separate thread as it is still important enough to require discussion,
> but it is of a style and good practice discussion rather than Boat
> Anchor problem level.
>
> Many other topics are unaffected.
>
> On 07/09/2015 07:00 PM, Travis Rhoden wrote:
>>> (1A) You have to close one facade to start anouther, eg in ceph-deploy
>>>> you have to close each connection before connecting to the next server
>>>> so making it slow to use as all state has to be gathered.
>> concurrency has come up before in ceph-deploy. It has been our explicit
>> goal to make ceph-deploy as simple and *clear* as possible for users, with
>> one of the main purposes to be extremely verbose and essentially *teach* a
>> user how to deploy a Ceph cluster. That’s why it prints everything it does
>> by default, shows every remote command, and prints the output back in order.
>> Concurrency would muddy those waters, though we do all want things to go
>> faster.
>>
>> It is not necessarily the facade pattern that is the limitation there — it
>> is the implementation within ceph-deploy. We simply do a “for host is
>> hostnames…” loop everywhere — it doesn’t matter what we are using
>> underneath, we are doing one SSH connection at a time.
>
> Best regards
>
> Owen
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