org.apache.hadoop.hbase.util
Class HFileV1Detector
java.lang.Object
org.apache.hadoop.conf.Configured
org.apache.hadoop.hbase.util.HFileV1Detector
- All Implemented Interfaces:
- org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool
public class HFileV1Detector
- extends org.apache.hadoop.conf.Configured
- implements org.apache.hadoop.util.Tool
Tool to detect presence of any HFileV1 in the given directory. It prints all such regions which
have such files.
To print the help section of the tool:
- ./bin/hbase org.apache.hadoop.hbase.util.HFileV1Detector --h or,
- java -cp `hbase classpath` org.apache.hadoop.hbase.util.HFileV1Detector --h
It also supports -h, --help, -help options.
Methods inherited from class org.apache.hadoop.conf.Configured |
getConf, setConf |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.apache.hadoop.conf.Configurable |
getConf, setConf |
HFileV1Detector
public HFileV1Detector()
run
public int run(String[] args)
throws IOException,
org.apache.commons.cli.ParseException
- Checks for HFileV1.
- Specified by:
run
in interface org.apache.hadoop.util.Tool
- Returns:
- 0 when no HFileV1 is present.
1 when a HFileV1 is present or, when there is a file with corrupt major version
(neither V1 nor V2).
-1 in case of any error/exception
- Throws:
IOException
org.apache.commons.cli.ParseException
getFileLinkWithPreNSPath
public FileLink getFileLinkWithPreNSPath(org.apache.hadoop.fs.Path storeFilePath)
throws IOException
- Creates a FileLink which adds pre-namespace paths in its list of available paths. This is used
when reading a snapshot file in a pre-namespace file layout, for example, while upgrading.
- Parameters:
storeFilePath
-
- Returns:
- a FileLink which could read from pre-namespace paths.
- Throws:
IOException
main
public static void main(String[] args)
throws Exception
- Throws:
Exception
Copyright © 2014 The Apache Software Foundation. All Rights Reserved.