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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