Package org.apache.solr.hdfs.util

Class HdfsRecoverLeaseFileSystemUtils

java.lang.Object

org.apache.solr.hdfs.util.HdfsRecoverLeaseFileSystemUtils

public class HdfsRecoverLeaseFileSystemUtils
extends Object

Borrowed from Apache HBase to recover an HDFS lease. https://github.com/apache/hbase/blob/master/hbase-asyncfs/src/main/java/org/apache/hadoop/hbase/util/RecoverLeaseFSUtils.java

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	HdfsRecoverLeaseFileSystemUtils.CallerInfo

Field Summary

Fields

Modifier and Type	Field	Description
static AtomicLong	RECOVER_LEASE_SUCCESS_COUNT

Constructor Summary

Constructors

Constructor	Description
HdfsRecoverLeaseFileSystemUtils()

Method Summary

Modifier and Type	Method	Description
static void	recoverFileLease(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path p, org.apache.hadoop.conf.Configuration conf, HdfsRecoverLeaseFileSystemUtils.CallerInfo callerInfo)	Recover the lease from HDFS, retrying multiple times.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

RECOVER_LEASE_SUCCESS_COUNT

public static final AtomicLong RECOVER_LEASE_SUCCESS_COUNT

Constructor Detail

HdfsRecoverLeaseFileSystemUtils

public HdfsRecoverLeaseFileSystemUtils()

Method Detail

recoverFileLease

public static void recoverFileLease(org.apache.hadoop.fs.FileSystem fs,
                                    org.apache.hadoop.fs.Path p,
                                    org.apache.hadoop.conf.Configuration conf,
                                    HdfsRecoverLeaseFileSystemUtils.CallerInfo callerInfo)
                             throws IOException

Recover the lease from HDFS, retrying multiple times.

Throws:

IOException