Package org.apache.bookkeeper.bookie

Class LedgerDirsMonitor

java.lang.Object

org.apache.bookkeeper.bookie.LedgerDirsMonitor

class LedgerDirsMonitor
extends Object

Thread to monitor the disk space periodically.

Constructor Summary

Constructors

Constructor	Description
LedgerDirsMonitor(ServerConfiguration conf, DiskChecker diskChecker, List<LedgerDirsManager> dirsManagers)

Method Summary

Modifier and Type	Method	Description
(package private) void	check()
void	init()	Sweep through all the directories to check disk errors or disk full.
void	shutdown()
void	start()

Methods inherited from class java.lang.Object

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

Constructor Details

LedgerDirsMonitor

public LedgerDirsMonitor(ServerConfiguration conf,
 DiskChecker diskChecker,
 List<LedgerDirsManager> dirsManagers)

Method Details

check

void check()

init

public void init()
          throws DiskChecker.DiskErrorException,
LedgerDirsManager.NoWritableLedgerDirException

Sweep through all the directories to check disk errors or disk full.

Throws:

DiskChecker.DiskErrorException - If disk having errors

LedgerDirsManager.NoWritableLedgerDirException - If all the configured ledger directories are full or having less space than threshold

start

public void start()

shutdown

public void shutdown()