Ning Sheng created HDFS-15782:
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Summary: RBF: Remove unnecessary expression in StateStoreService
Key: HDFS-15782
URL: https://issues.apache.org/jira/browse/HDFS-15782
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Ning Sheng
{code:java}
public void refreshCaches(boolean force) {
boolean success = true;
if (isDriverReady()) {
List<StateStoreCache> cachesToUpdate = new LinkedList<>();
cachesToUpdate.addAll(cachesToUpdateInternal);
cachesToUpdate.addAll(cachesToUpdateExternal);
for (StateStoreCache cachedStore : cachesToUpdate) {
String cacheName = cachedStore.getClass().getSimpleName();
boolean result = false;
try {
result = cachedStore.loadCache(force);
} catch (IOException e) {
LOG.error("Error updating cache for {}", cacheName, e);
result = false;
}
if (!result) {
success = false;
LOG.error("Cache update failed for cache {}", cacheName);
}
}
} else {
success = false;
LOG.info("Skipping State Store cache update, driver is not ready.");
}
if (success) {
// Uses local time, not driver time.
this.cacheLastUpdateTime = Time.now();
}
}{code}
The expression "result = false;" is unnecessary. Variable result is already
assigned to false. So we can remove this expression.
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