Hi, Am trying to bring high availability in namenode(in hadoop cluster) for small setup.
So the idea is to keep one extra namenode and use terracotta to replicate the log(in memory details-jvm) from primary datacode to standby namenode, if primary goes down secondary can take the primary role. Now am bit confused how to start second namenode while the primary name node up and running(with datanode connected) with keep relying the info from primary thro terracotta. Is there a way to achieve this without restarting namenode or datanode, any patch? Please help and suggest me. Regards, Gokul
