Counters holds per job/task counters, defined either by the framework or applications. Each Counter can be of any {@link Enum} type.
Counters
Counter
Counters are bunched into {@link CounterGroup}s, each comprising of counters from a particular Enum class.
Enum
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{ LOG.warn( "could not retrieve vertex status for: {}, in stats status: {}", getID(), getStatus() ); return null; } TezCounters vertexCounters = vertexStatus.getVertexCounters(); if( vertexCounters == null ) LOG.warn( "could not retrieve vertex counters for: {}, in stats status: {}, and vertex state: {}", getID(), getStatus(), vertexStatus.getState() ); return vertexCounters;