reactor-core/src/main/java/reactor/core/publisher/ParallelFlux.java
public final ParallelFlux<T> log(@Nullable String category) {
		return log(category, Level.INFO);
	}
public final ParallelFlux<T> log(@Nullable String category) {
		return log(category, Level.INFO);
	}
public final ParallelFlux < T > log ( @ Nullable String category ) { return log ( category , Level . INFO ) ; }
Observe all Reactive Streams signals and use {@link Logger} support to handle trace
implementation. Default will use {@link Level#INFO} and java.util.logging. If SLF4J
is available, it will be used instead.
<p>
<img class="marble" src="doc-files/marbles/logForFlux.svg" alt="">
<p>

@param category to be mapped into logger configuration (e.g. org.springframework
.reactor). If category ends with "." like "reactor.", a generated operator suffix
will complete, e.g. "reactor.Parallel.Map".

@return a new unaltered {@link ParallelFlux}
Observe all Reactive Streams signals and use { @link Logger } support to handle trace implementation . Default will use { @link Level#INFO } and java . util . logging . If SLF4J is available it will be used instead . <p > <img class = marble src = doc - files / marbles / logForFlux . svg alt = > <p >