08-06-2018 11:54 AM
In Name node HA scenario , if Active Namenode fails and passive Namenode became active, duuring this time how the MR jobs will function.
08-07-2018 05:06 AM
It is possible with the help of Journal Node.
"In order for the Standby node to keep its state synchronized with the Active node, both nodes communicate with a group of separate daemons called "JournalNodes" (JNs)."
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