A related question. If I have run a Zookeeper service with many ephemeral znodes on five servers, then I want to replace one of the servers by a new one, and the new server has a new IP. How can I do the job without any loss of data ?
Thanks On Mon, Jun 29, 2009 at 9:24 AM, Qian Ye <yeqian....@gmail.com> wrote: > Thanks for the explanation, it sounds great. > > It seems that I should study more on Zookeeper :-) > > regards > > > On Mon, Jun 29, 2009 at 2:15 AM, Ted Dunning <ted.dunn...@gmail.com>wrote: > >> I don't think you should be very nervous at all. >> >> There are two questions: >> >> 1) can 3.1.1 go to 3.2 with no down time. This is very likely, but a >> wiser >> head than mine should have final say >> >> 2) can 3.1.1 go to 3.2 with < 1 minute of downtime. The is for sure. >> >> Neither option involves data loss. >> >> ZK is actually really really good for HA operations. >> >> On Sun, Jun 28, 2009 at 4:55 AM, Qian Ye <yeqian....@gmail.com> wrote: >> >> > your answer makes me nervous about upgrade Zookeeper >> > server >> > >> > > > > -- > With Regards! > > Ye, Qian > Made in Zhejiang University > > -- With Regards! Ye, Qian Made in Zhejiang University