How to use
addVolumeScanner
method
in
org.apache.hadoop.hdfs.server.datanode.BlockScanner

Best Java code snippets using org.apache.hadoop.hdfs.server.datanode.BlockScanner.addVolumeScanner (Showing top 3 results out of 315)

Common ways to obtain BlockScanner

private void myMethod () {
 BlockScanner b =DataNode dataNode;dataNode.getBlockScanner()
DataNode datanode;Configuration conf;new BlockScanner(datanode, conf)
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}

/**
 * Dynamically add new volumes to the existing volumes that this DN manages.
 *
 * @param ref       a reference to the new FsVolumeImpl instance.
 */
void addVolume(FsVolumeReference ref) {
 FsVolumeImpl volume = (FsVolumeImpl) ref.getVolume();
 volumes.add(volume);
 if (blockScanner != null) {
  blockScanner.addVolumeScanner(ref);
 } else {
  // If the volume is not put into a volume scanner, it does not need to
  // hold the reference.
  IOUtils.cleanup(null, ref);
 }
 // If the volume is used to replace a failed volume, it needs to reset the
 // volume failure info for this volume.
 removeVolumeFailureInfo(volume.getStorageLocation());
 FsDatasetImpl.LOG.info("Added new volume: " +
   volume.getStorageID());
}

 blockScanner.addVolumeScanner(ref);
} else {

 blockScanner.addVolumeScanner(ref);
} else {

Javadoc

Set up a scanner for the given block pool and volume.

Popular methods of BlockScanner

<init>
isEnabled
Returns true if the block scanner is enabled. If the block scanner is disabled, no volume scanners w
markSuspectBlock
Mark a block as "suspect." This means that we should try to rescan it soon. Note that the VolumeScan
removeAllVolumeScanners
Stops and removes all volume scanners. This function will block until all the volume scanners have s
disableBlockPoolId
Disable scanning a given block pool id.
enableBlockPoolId
Enable scanning a given block pool id.
printStats
removeVolumeScanner
Stops and removes a volume scanner. This function will block until the volume scanner has stopped.
getVolumeStats
setConf

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How to use addVolumeScannermethodin org.apache.hadoop.hdfs.server.datanode.BlockScanner

Best Java code snippets using org.apache.hadoop.hdfs.server.datanode.BlockScanner.addVolumeScanner (Showing top 3 results out of 315)

How to use
addVolumeScanner
method
in
org.apache.hadoop.hdfs.server.datanode.BlockScanner