Hi, This requirement was asked by client where he have e-commerce website. He got solution in form of load balancing from his hosting provider (as he told). I told him this is not possible at coding side.
Thanks to all. Regards, Jack On Wed, Dec 9, 2009 at 4:55 PM, Jamie Fraser <[email protected]> wrote: > That doesn't really work, as when you change from old->new, any users who > are logged in will be logged out and lose their sessions. > > The main issue is that you probably don't *need* this kind of > functionality. > > > On Wed, Dec 9, 2009 at 10:30 AM, jack me <[email protected]> wrote: > >> Hi, thanks to all. >> >> I found a solution but possible at server end....... I don't know it will >> be related to load balancing but when i found on net about about >> server-farm approach for developing software >> (i have to spent some nights on google to find the way :) -i dont know i >> am going in right way ---...........I found another solution for this.. when >> we want to update the website without down time then we will make a new >> directory on server at any place. Like >> if i want to update a website like www.websitename.com Then we need to >> make another directory like wwwroot > directory say "New root of file". >> after uploading all updated site here in this directory. We will change the >> virtual directory path of website to "New root of file". >> >> Processor Devil > if I want to do it with ajax the how we can do this.. >> May be a service when it do not get the response then it shows the loading >> of page or loading message.. Are you talking about this............? >> >> Thanks again >> >> regards, >> >> >> >> On Wed, Dec 9, 2009 at 1:54 PM, Processor Devil < >> [email protected]> wrote: >> >>> Yes, it is possible... >>> You can use ajax for this purpose, but you have to specify timeout not to >>> interrupt the process.... I don't think this is quite good idea because if >>> your Service is really down, you will find it much much later... But if you >>> are not using service, but inner part of your aspx.cs or aspx.vb code, then >>> it should be fine :) >>> >>> 2009/12/9 jack me <[email protected]> >>> >>> from all answers i understand this is impossible updation without down >>>> time. One solution is we will have to use many servers. while updating we >>>> update on one server(that server will be down for some time till updation >>>> time). >>>> >>>> Means it will be at server level. In coding way it is not possible. ? If >>>> we want at coding level . Is it possible in any way........ >>>> >>>> Regards. >>>> >>>> >>>> >>>> >>>> On Tue, Dec 8, 2009 at 8:58 PM, KeidrickP <[email protected]> wrote: >>>> >>>>> Oh, I definitely agree. >>>>> I hope the OP is reading this.. >>>>> >>>>> >>>>> On Tue, Dec 8, 2009 at 9:27 AM, Jamie Fraser >>>>> <[email protected]>wrote: >>>>> >>>>>> That was kind of my point! >>>>>> >>>>>> If your site is big enough to require DR facilities, you can use DR to >>>>>> minimise (or negate) downtime. >>>>>> >>>>>> If your site doesn't need DR facilities, what does a small amount of >>>>>> offline time overnight matter? >>>>>> >>>>>> >>>>>> On Tue, Dec 8, 2009 at 3:12 PM, KeidrickP <[email protected]>wrote: >>>>>> >>>>>>> Jamie, >>>>>>> I don't think the OP has a DR database in place, or they probably >>>>>>> wouldn't be posting this question. >>>>>>> >>>>>>> >>>>>>> On Tue, Dec 8, 2009 at 8:59 AM, Jamie Fraser <[email protected] >>>>>>> > wrote: >>>>>>> >>>>>>>> Or if you aren't using DB partitioning - upgrade your DR database, >>>>>>>> bring that online, once its up, take your production system offline, >>>>>>>> upgrade >>>>>>>> that and then bring it online again. >>>>>>>> >>>>>>>> None of these are particularly difficult issues for large sites as >>>>>>>> they use multiple servers (hundreds and thousands in the case of >>>>>>>> Google) and >>>>>>>> for a very small site with 1 app & 1 DB server, it isn't a problem >>>>>>>> having a >>>>>>>> few hours downtime overnight. >>>>>>>> >>>>>>>> >>>>>>>> On Tue, Dec 8, 2009 at 2:57 PM, Jamie Fraser < >>>>>>>> [email protected]> wrote: >>>>>>>> >>>>>>>>> On any site which uses load balancing, you'll often use database >>>>>>>>> partitioning too, so stick users to a particular web / db server >>>>>>>>> combination >>>>>>>>> and upgrade groups of servers at a time. >>>>>>>>> >>>>>>>>> >>>>>>>>> On Tue, Dec 8, 2009 at 12:12 PM, Vitaly Maslevskiy < >>>>>>>>> [email protected]> wrote: >>>>>>>>> >>>>>>>>>> Sounds good, but, typical situation. DB Schema changed, we have to >>>>>>>>>> update dll's >>>>>>>>>> in which order binaries/DBSchema have to be updated. If we change >>>>>>>>>> schema first, >>>>>>>>>> all apps is not 100% up. Only application updated first and "down" >>>>>>>>>> until first request >>>>>>>>>> has valid state. >>>>>>>>>> >>>>>>>>>> Or? >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> 2009/12/8 Gunawan Hadikusumo <[email protected]>: >>>>>>>>>> > you need load balancing...... 2 or 3 more IIS server run >>>>>>>>>> simultanously >>>>>>>>>> > >>>>>>>>>> > so you could update those server one by one without distrupting >>>>>>>>>> the current >>>>>>>>>> > connected user. >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> > On Tue, Dec 8, 2009 at 6:25 PM, jack me <[email protected]> >>>>>>>>>> wrote: >>>>>>>>>> >> >>>>>>>>>> >> Hi, >>>>>>>>>> >> >>>>>>>>>> >> Is it possible to upload the dll or files without downtime of >>>>>>>>>> website. >>>>>>>>>> >> just for sake of example, if gmail upload some thing new in the >>>>>>>>>> website like >>>>>>>>>> >> chatting facility. After that extended the chat facility with >>>>>>>>>> video. >>>>>>>>>> >> According to me this is without the downtime of the gmail. in >>>>>>>>>> same manner, >>>>>>>>>> >> If i want to make any updation in my website without making >>>>>>>>>> down the site >>>>>>>>>> >> how we can achieve this in .net. >>>>>>>>>> >> >>>>>>>>>> >> Thanks, >>>>>>>>>> >> Jack >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> Keidrick Pettaway >>>>>>> >>>>>>> http://kpettaway.com >>>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>>> -- >>>>> Keidrick Pettaway >>>>> >>>>> http://kpettaway.com >>>>> >>>> >>>> >>> >> >
