If secondary namenode could verify that the image it has on its disk is the same as the one in the primary NameNode, it could skip downloading the image from the primary NN, thus completely eliminating the image download overhead.
|Summary||Improve checkpoint performance by avoiding uncessary image downloads||Improve checkpoint performance by avoiding unnecessary image downloads|
|Status||Open [ 1 ]||Patch Available [ 10002 ]|
|Fix Version/s||0.23.0 [ 12315571 ]|
|Fix Version/s||0.22.0 [ 12314241 ]|
|Status||Patch Available [ 10002 ]||Resolved [ 5 ]|
|Resolution||Fixed [ 1 ]|