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MINOR: reduce verbosity of cache flushes #2412

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MINOR: reduce verbosity of cache flushes #2412

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6 changes: 4 additions & 2 deletions streams/src/main/java/org/apache/kafka/streams/state/internals/NamedCache.java
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Original file line number Diff line number Diff line change
Expand Up @@ -106,8 +106,10 @@ synchronized void flush() {
private void flush(final LRUNode evicted) {
numFlushes++;

log.debug("Named cache {} stats on flush: #hits={}, #misses={}, #overwrites={}, #flushes={}",
name, hits(), misses(), overwrites(), flushes());
if (log.isTraceEnabled()) {
log.trace("Named cache {} stats on flush: #hits={}, #misses={}, #overwrites={}, #flushes={}",
name, hits(), misses(), overwrites(), flushes());
}

if (listener == null) {
throw new IllegalArgumentException("No listener for namespace " + name + " registered with cache");
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