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HDFS-8850. VolumeScanner thread exits with exception if there is no block pool to be scanned but there are suspicious blocks. (Colin Patrick McCabe via yliu)

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This commit is contained in:
yliu 2015-08-04 15:54:23 +08:00
parent c3364ca8e7
commit 9a08999906
2 changed files with 11 additions and 5 deletions
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4
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -1109,6 +1109,10 @@ Release 2.8.0 - UNRELEASED
HDFS-8847. change TestHDFSContractAppend to not override
testRenameFileBeingAppended method. (Zhihai Xu)
HDFS-8850. VolumeScanner thread exits with exception if there is no block
pool to be scanned but there are suspicious blocks. (Colin Patrick McCabe
via yliu)
Release 2.7.2 - UNRELEASED
INCOMPATIBLE CHANGES

12
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/VolumeScanner.java
View File

@ -536,11 +536,13 @@ private long runLoop(ExtendedBlock suspectBlock) {
return 0;
}
}
long saveDelta = monotonicMs - curBlockIter.getLastSavedMs();
if (saveDelta >= conf.cursorSaveMs) {
LOG.debug("{}: saving block iterator {} after {} ms.",
this, curBlockIter, saveDelta);
saveBlockIterator(curBlockIter);
if (curBlockIter != null) {
long saveDelta = monotonicMs - curBlockIter.getLastSavedMs();
if (saveDelta >= conf.cursorSaveMs) {
LOG.debug("{}: saving block iterator {} after {} ms.",
this, curBlockIter, saveDelta);
saveBlockIterator(curBlockIter);
}
}
bytesScanned = scanBlock(block, conf.targetBytesPerSec);
if (bytesScanned >= 0) {