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Revert "HDFS-10620. StringBuilder created and appended even if logging is disabled. Contributed by Staffan Friberg."

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This reverts commit 2685e16f381532d53aea413ce1c0a14181ee7c89.
This commit is contained in:
Akira Ajisaka 2016-07-26 11:04:05 +09:00
parent 0dde4035c9
commit a04b193374
1 changed files with 3 additions and 6 deletions
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9
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
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@ -1195,19 +1195,16 @@ private void addToInvalidates(Block b) {
if (!isPopulatingReplQueues()) {
return;
}
StringBuilder datanodes = blockLog.isDebugEnabled()
? new StringBuilder() : null;
StringBuilder datanodes = new StringBuilder();
for (DatanodeStorageInfo storage : blocksMap.getStorages(b)) {
if (storage.getState() != State.NORMAL) {
continue;
}
final DatanodeDescriptor node = storage.getDatanodeDescriptor();
invalidateBlocks.add(b, node, false);
if (datanodes != null) {
datanodes.append(node).append(" ");
}
datanodes.append(node).append(" ");
}
if (datanodes != null & datanodes.length() != 0) {
if (datanodes.length() != 0) {
blockLog.debug("BLOCK* addToInvalidates: {} {}", b, datanodes);
}
}