On Thu, Jul 14, 2022 at 8:29 AM Dave Maughan <dave.maug...@streamnative.io.invalid> wrote:
> Hi Rajan, > > Just a note that 184 was already taken by > https://github.com/apache/pulsar/issues/16481 > >>> Sure, I have renamed it as PIP-188 and updated the wiki: https://github.com/apache/pulsar/wiki - Dave > > > On Tue, Jul 12, 2022 at 6:23 PM Rajan Dhabalia <rdhaba...@apache.org> > wrote: > > > Hi, > > > > We have created PIP-184 which helps users to perform cluster migration > with > > Apache Pulsar. Cluster migration or Blue-Green cluster deployment is one > of > > the proven solutions to migrate live traffic from one cluster to another. > > One of the examples is applications running on Kubernetes sometimes > require > > a Kubernetes cluster upgrade which can cause downtime for the entire > > application during a Kubernetes cluster upgrade. Blue-green deployment is > > an application release model that gradually transfers user traffic from a > > previous version of an app or microservice to a nearly identical new > > release—both of which are running in production. > > > > The old version can be called the blue environment while the new version > > can be known as the green environment. Once production traffic is fully > > transferred from blue to green, blue can standby in case of rollback or > be > > pulled from production and updated to become the template upon which the > > next update is made. We need such capability in Apache pulsar to migrate > > live traffic from the blue cluster to the green cluster so, eventually, > the > > entire traffic moves from the blue cluster to the green cluster without > > causing downtime for the topics. > > > > PIP: https://github.com/apache/pulsar/issues/16551 > > > > Thanks, > > Rajan > > >
