HDFS-10963. Reduce log level when network topology cannot find enough datanodes. Contributed by Xiao chen
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@ -813,7 +813,7 @@ public class NetworkTopology {
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}
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}
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if (numOfDatanodes == 0) {
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LOG.warn("Failed to find datanode (scope=\"{}\" excludedScope=\"{}\").",
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LOG.debug("Failed to find datanode (scope=\"{}\" excludedScope=\"{}\").",
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String.valueOf(scope), String.valueOf(excludedScope));
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return null;
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}
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@ -49,8 +49,9 @@ import com.google.common.annotations.VisibleForTesting;
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public class BlockPlacementPolicyDefault extends BlockPlacementPolicy {
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private static final String enableDebugLogging =
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"For more information, please enable DEBUG log level on "
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+ BlockPlacementPolicy.class.getName();
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"For more information, please enable DEBUG log level on "
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+ BlockPlacementPolicy.class.getName() + " and "
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+ NetworkTopology.class.getName();
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private static final ThreadLocal<StringBuilder> debugLoggingBuilder
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= new ThreadLocal<StringBuilder>() {
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