Re: Docker containers
From: Mladen Gogala <gogala.mladen_at_gmail.com>
Date: Fri, 2 Sep 2016 00:12:13 +0000 (UTC)
Message-ID: <pan.2016.09.02.00.12.13_at_gmail.com>
>>I have had a rather unpleasant debate on another forum about Docker. The
>>whole thing started when a guy who was asking whether anyone has managed
>>to put RAC in Docker containers went berserk after my counter question
>>"what would be the point of that?".
>>Docker containers are light-weight virtual machines which are allegedly
>>much more efficient than the traditional VM's, created by VMWare or
>>Hyper-
>>V. I don't see Docker being present in any significant numbers in my
>>client environments. Cloud service providers are still using VMWare,
>>Hyper-V and they don't seem to being present in any significant numbers,
>>
>>I believe that any virtual machine, not only Docker, is a complete
>>nonsense when it comes to RAC. RAC needs very fast private
>>interconnect, a lot of memory, some of it very fast or global locks will
>>be very slow. In the context of Oracle RAC, virtual machines are only
>>good for training, VMWare, Hyper V or KVM being much more . easier to
>>manage. Do you use Docker for anything except playing with it? How much
>>more efficient is Docker? Last but not least, what kind of apps are you
>>putting into Docker containers?
>>So, is an Oracle database in a Docket container practical or just
>>another marketing fad, like agile, DevOps and BAAS (Bug as a service)?
>>Also, Docker seems a little bit rough around the edges.
>>Bye.
>>
Date: Fri, 2 Sep 2016 00:12:13 +0000 (UTC)
Message-ID: <pan.2016.09.02.00.12.13_at_gmail.com>
On Thu, 01 Sep 2016 20:29:50 +0100, Adrian wrote:
> In message <pan.2016.08.31.04.18.58_at_gmail.com>, Mladen Gogala > <gogala.mladen_at_gmail.com> writes
>>I have had a rather unpleasant debate on another forum about Docker. The
>>whole thing started when a guy who was asking whether anyone has managed
>>to put RAC in Docker containers went berserk after my counter question
>>"what would be the point of that?".
>>Docker containers are light-weight virtual machines which are allegedly
>>much more efficient than the traditional VM's, created by VMWare or
>>Hyper-
>>V. I don't see Docker being present in any significant numbers in my
>>client environments. Cloud service providers are still using VMWare,
>>Hyper-V and they don't seem to being present in any significant numbers,
>>
>>I believe that any virtual machine, not only Docker, is a complete
>>nonsense when it comes to RAC. RAC needs very fast private
>>interconnect, a lot of memory, some of it very fast or global locks will
>>be very slow. In the context of Oracle RAC, virtual machines are only
>>good for training, VMWare, Hyper V or KVM being much more . easier to
>>manage. Do you use Docker for anything except playing with it? How much
>>more efficient is Docker? Last but not least, what kind of apps are you
>>putting into Docker containers?
>>So, is an Oracle database in a Docket container practical or just
>>another marketing fad, like agile, DevOps and BAAS (Bug as a service)?
>>Also, Docker seems a little bit rough around the edges.
>>Bye.
>>
> I was briefly looking at the agenda for the UKOUG Tech conference, and > appeared to have a couple of sessions on Docker. > > Adrian
Maybe Larry has some shares in the company and needs to propel it to the market leader? Reaction to $9bn purchase of NetSuite was pretty telling. However, I do not believe that Oracle still has such a sway to pull that of.
-- Mladen Gogala The Oracle Whisperer http://mgogala.byethost5.comReceived on Fri Sep 02 2016 - 02:12:13 CEST