org.apache.solr.util

Class FSHDFSUtils

java.lang.Object

org.apache.solr.util.FSHDFSUtils

public class FSHDFSUtils
extends Object

Borrowed from Apache HBase to recover an HDFS lease.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	FSHDFSUtils.CallerInfo

Field Summary

Fields

Modifier and Type	Field and Description
static org.slf4j.Logger	log
static AtomicLong	RECOVER_LEASE_SUCCESS_COUNT

Constructor Summary

Constructors

Constructor and Description
FSHDFSUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static void	recoverFileLease(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path p, org.apache.hadoop.conf.Configuration conf, FSHDFSUtils.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

log

public static org.slf4j.Logger log

RECOVER_LEASE_SUCCESS_COUNT

public static AtomicLong RECOVER_LEASE_SUCCESS_COUNT

Constructor Detail

FSHDFSUtils

public FSHDFSUtils()

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,
                    FSHDFSUtils.CallerInfo callerInfo)
                             throws IOException

Recover the lease from HDFS, retrying multiple times.

Throws:

IOException