+1 for pacemaker and DRBD On Jan 12, 2013 9:54 PM, "Damitha Kumarage" <[email protected]> wrote:
> There is a recommended high availability solution for Openstack using > Pacemaker and DRBD. Pacemaker is application and service agnostic so this > should work for our S2 foundation level HA as well. > > Damitha > > On Sat, Jan 12, 2013 at 8:14 PM, Lahiru Sandaruwan <[email protected]>wrote: > >> Hi all, >> >> I talked with Azeez. He said implementing a HA with master-slave would >> work for this. I'll take this up after current issues solved. >> >> Thanks. >> >> >> On Sat, Jan 12, 2013 at 10:20 AM, Lakmal Warusawithana >> <[email protected]>wrote: >> >>> Got it. But adding 20mb for only agent is useless. What I am saying we >>> should run whole PHP under 100 MB. >>> On Jan 12, 2013 10:15 AM, "Nirmal Fernando" <[email protected]> wrote: >>> >>>> >>>> >>>> >>>> On Sat, Jan 12, 2013 at 10:13 AM, Lakmal Warusawithana <[email protected] >>>> > wrote: >>>> >>>>> -1, PHP should run under 100mb >>>>> >>>> You missed my reply :-) It was: >>>> >>>> Quoting Azeez: "The pack in only 11 MB & operates in the region of 20 >>>> MB memory footprint, as was the requirement." >>>> >>>> >>>>> On Jan 12, 2013 9:56 AM, "Damitha Kumarage" <[email protected]> wrote: >>>>> >>>>>> Last time we tried it it took more 160mb >>>>>> >>>>>> Damitha >>>>>> >>>>>> On Sat, Jan 12, 2013 at 9:50 AM, Lakmal Warusawithana < >>>>>> [email protected]> wrote: >>>>>> >>>>>>> In a very highly scalable system 10mb (as example ) is a >>>>>>> significant. How much memory take for JVM? >>>>>>> On Jan 12, 2013 9:47 AM, "Nirmal Fernando" <[email protected]> wrote: >>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> On Sat, Jan 12, 2013 at 9:40 AM, Damitha Kumarage <[email protected] >>>>>>>> > wrote: >>>>>>>> >>>>>>>>> Hi Nirmal, >>>>>>>>> Moving a java agent into to a php cartridge vm would not work for >>>>>>>>> us. I think here we are going back to the beginning of discussions >>>>>>>>> about >>>>>>>>> the topic. The memory levels that java processes take comparably in a >>>>>>>>> php >>>>>>>>> environment is not acceptable. >>>>>>>> >>>>>>>> >>>>>>>> AFAIR, Azeez made this agent to have a very low memory footprint. >>>>>>>> >>>>>>>> Unless we give a python tribes solution for this I am -1 for this. >>>>>>>>> Why don't we provide HA for agent? >>>>>>>>> >>>>>>>>> Damitha >>>>>>>>> >>>>>>>>> >>>>>>>>> On Sat, Jan 12, 2013 at 8:41 AM, Nirmal Fernando >>>>>>>>> <[email protected]>wrote: >>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> On Sat, Jan 12, 2013 at 8:25 AM, Lakmal Warusawithana < >>>>>>>>>> [email protected]> wrote: >>>>>>>>>> >>>>>>>>>>> That's the ultimate solution. That's why we need a python >>>>>>>>>>> implimentation of agent. >>>>>>>>>>> >>>>>>>>>> Then we need a Python implementation of Tribes, right? That would >>>>>>>>>> take a considerable amount of time. For this release, can't we just >>>>>>>>>> install >>>>>>>>>> Java and run this light weight Agent inside instance? >>>>>>>>>> >>>>>>>>>> >>>>>>>>>>> On Jan 12, 2013 8:19 AM, "Nirmal Fernando" <[email protected]> >>>>>>>>>>> wrote: >>>>>>>>>>> >>>>>>>>>>>> Guys, >>>>>>>>>>>> >>>>>>>>>>>> What about $subject? >>>>>>>>>>>> >>>>>>>>>>>> In this case, bringing down the Agent will only bring down that >>>>>>>>>>>> particular instance where the agent in. >>>>>>>>>>>> >>>>>>>>>>>> WDYT? >>>>>>>>>>>> >>>>>>>>>>>> -- >>>>>>>>>>>> >>>>>>>>>>>> Thanks & regards, >>>>>>>>>>>> Nirmal >>>>>>>>>>>> >>>>>>>>>>>> Software Engineer- Platform Technologies Team, WSO2 Inc. >>>>>>>>>>>> Mobile: +94715779733 >>>>>>>>>>>> Blog: http://nirmalfdo.blogspot.com/ >>>>>>>>>>>> >>>>>>>>>>>> <http://nirmalfdo.blogspot.com/> >>>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> >>>>>>>>>> Thanks & regards, >>>>>>>>>> Nirmal >>>>>>>>>> >>>>>>>>>> Software Engineer- Platform Technologies Team, WSO2 Inc. >>>>>>>>>> Mobile: +94715779733 >>>>>>>>>> Blog: http://nirmalfdo.blogspot.com/ >>>>>>>>>> >>>>>>>>>> <http://nirmalfdo.blogspot.com/> >>>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> -- >>>>>>>>> __________________________________________________________________ >>>>>>>>> Damitha Kumarage >>>>>>>>> Senior Technical Lead; WSO2 Inc. >>>>>>>>> Oxygenating the Web Service Platform >>>>>>>>> http://www.wso2.com/ >>>>>>>>> blog: >>>>>>>>> http://damithakumarage.wordpress.com/ >>>>>>>>> __________________________________________________________________ >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> -- >>>>>>>> >>>>>>>> Thanks & regards, >>>>>>>> Nirmal >>>>>>>> >>>>>>>> Software Engineer- Platform Technologies Team, WSO2 Inc. >>>>>>>> Mobile: +94715779733 >>>>>>>> Blog: http://nirmalfdo.blogspot.com/ >>>>>>>> >>>>>>>> <http://nirmalfdo.blogspot.com/> >>>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> __________________________________________________________________ >>>>>> Damitha Kumarage >>>>>> Senior Technical Lead; WSO2 Inc. >>>>>> Oxygenating the Web Service Platform >>>>>> http://www.wso2.com/ >>>>>> blog: >>>>>> http://damithakumarage.wordpress.com/ >>>>>> __________________________________________________________________ >>>>> >>>>> >>>> >>>> >>>> -- >>>> >>>> Thanks & regards, >>>> Nirmal >>>> >>>> Software Engineer- Platform Technologies Team, WSO2 Inc. >>>> Mobile: +94715779733 >>>> Blog: http://nirmalfdo.blogspot.com/ >>>> >>>> <http://nirmalfdo.blogspot.com/> >>>> >>> >> >> >> -- >> -- >> Lahiru Sandaruwan >> Software Engineer, >> Cloud Team, >> WSO2 Inc., http://wso2.com >> lean.enterprise.middleware >> >> email: [email protected] cell: (+94) 773 325 954 >> blog: http://lahiruwrites.blogspot.com/ >> twitter: http://twitter.com/lahirus >> linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146 >> <http://wso2con.com/> >> > > > > -- > __________________________________________________________________ > Damitha Kumarage > Senior Technical Lead; WSO2 Inc. > Oxygenating the Web Service Platform > http://www.wso2.com/ > blog: > http://damithakumarage.wordpress.com/ > __________________________________________________________________
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