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HADOOP-14369. NetworkTopology calls expensive toString() when logging. Contributed by Inigo Goiri. 

(cherry picked from commit dcc292d7de)
(cherry picked from commit 484bab3944)
This commit is contained in:
Andrew Wang 2017-05-02 10:51:20 -07:00
parent 305a9d886a
commit ab511286fd
1 changed files with 6 additions and 6 deletions
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12
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java
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@ -409,8 +409,8 @@ public class NetworkTopology {
"Not allow to add an inner node: "+NodeBase.getPath(node));
}
if ((depthOfAllLeaves != -1) && (depthOfAllLeaves != newDepth)) {
LOG.error("Error: can't add leaf node " + NodeBase.getPath(node) +
" at depth " + newDepth + " to topology:\n" + this.toString());
LOG.error("Error: can't add leaf node {} at depth {} to topology:{}\n",
NodeBase.getPath(node), newDepth, this);
throw new InvalidTopologyException("Failed to add " + NodeBase.getPath(node) +
": You cannot have a rack and a non-rack node at the same " +
"level of the network topology.");
@ -432,7 +432,7 @@ public class NetworkTopology {
}
}
}
LOG.debug("NetworkTopology became:\n{}", this.toString());
LOG.debug("NetworkTopology became:\n{}", this);
} finally {
netlock.writeLock().unlock();
}
@ -505,7 +505,7 @@ public class NetworkTopology {
numOfRacks--;
}
}
LOG.debug("NetworkTopology became:\n{}", this.toString());
LOG.debug("NetworkTopology became:\n{}", this);
} finally {
netlock.writeLock().unlock();
}
@ -764,7 +764,7 @@ public class NetworkTopology {
}
if (numOfDatanodes == 0) {
LOG.debug("Failed to find datanode (scope=\"{}\" excludedScope=\"{}\").",
String.valueOf(scope), String.valueOf(excludedScope));
scope, excludedScope);
return null;
}
Node ret = null;
@ -777,7 +777,7 @@ public class NetworkTopology {
}
LOG.debug("Choosing random from {} available nodes on node {},"
+ " scope={}, excludedScope={}, excludeNodes={}", availableNodes,
innerNode.toString(), scope, excludedScope, excludedNodes);
innerNode, scope, excludedScope, excludedNodes);
if (availableNodes > 0) {
do {
int leaveIndex = r.nextInt(numOfDatanodes);