Hi, i want to know in trident topology,in document they said if tuple is failed in one batch etc .. here i want to know what are the possible scenarios to fail tuples ?
Here if we want to maintain exactly once processing should use trident state? When i run storm application in normal topology like spouts and bolts and trident topology i am reading data from file which conatins 20000 records , every thing fine while processing am getting correct resultbut in storm ui , it shows emitted tuple more than 20000 + in both type of topologies . what is the problem? In Trident topology of storm ui it shows like below? what is the below components please tell me in detail. $mastercoord-bg0 $spoutcoord-spout0 b-0 spout0 Thanks !prasad.ch
