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HDFS-16948. Update log of BlockManager#chooseExcessRedundancyStriped when EC internal block is moved by balancer. (#5474). Contributed by Kidd53685368. 

Reviewed-by: zhangshuyan <zqingchai@gmail.com>
Signed-off-by: He Xiaoqiao <hexiaoqiao@apache.org>
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Kidd5368 2023-03-23 17:00:23 +08:00 committed by GitHub
parent 028cde0006
commit 5cf62d1498
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1 changed files with 6 additions and 2 deletions
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hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
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@ -4128,6 +4128,7 @@ public class BlockManager implements BlockStatsMXBean {
BitSet found = new BitSet(groupSize); //indices found
BitSet duplicated = new BitSet(groupSize); //indices found more than once
HashMap<DatanodeStorageInfo, Integer> storage2index = new HashMap<>();
boolean logEmptyExcessType = true;
for (DatanodeStorageInfo storage : nonExcess) {
int index = sblk.getStorageBlockIndex(storage);
assert index >= 0;
@ -4145,6 +4146,7 @@ public class BlockManager implements BlockStatsMXBean {
Integer index = storage2index.get(delStorageHint);
if (index != null && duplicated.get(index)) {
processChosenExcessRedundancy(nonExcess, delStorageHint, storedBlock);
logEmptyExcessType = false;
}
}
@ -4155,8 +4157,10 @@ public class BlockManager implements BlockStatsMXBean {
final List<StorageType> excessTypes = storagePolicy.chooseExcess(
(short) numOfTarget, DatanodeStorageInfo.toStorageTypes(nonExcess));
if (excessTypes.isEmpty()) {
if(logEmptyExcessType) {
LOG.warn("excess types chosen for block {} among storages {} is empty",
storedBlock, nonExcess);
}
return;
}