mongo::dur Namespace Reference

Classes
class	Already
class	CommitJob
class	DropDbOp
class	DurableImpl
class	DurableInterface
class	DurOp
class	FileCreatedOp
struct	JDbContext
struct	JEntry
struct	JHeader
class	Journal
struct	JSectFooter
struct	JSectHeader
struct	LSNFile
class	NonDurableImpl
class	RecoveryJob
struct	Stats
struct	WriteIntent
class	Writes
Functions
void	assertAlreadyDeclared (void *, int len)
unsigned long long	getLastDataFileFlushTime ()
bool	haveJournalFiles ()
void	journal (const AlignedBuilder &buf)
void	journalCleanup ()
void	journalingFailure (const char *msg)
void	journalMakeDir ()
unsigned long long	journalReadLSN ()
void	journalRotate ()
void	releasingWriteLock ()
void	REMAPPRIVATEVIEW ()
void	startup ()
Variables
const unsigned	Alignment = 8192
CommitJob	commitJob
const long long	ExtraKeepTimeMs = 10000
bool	okToCleanUp
Stats	stats
const unsigned	UncommittedBytesLimit = 100 * 1024 * 1024

Function Documentation

void mongo::dur::assertAlreadyDeclared	(	void *	,
		int	len
	)			`[inline]`

Definition at line 148 of file dur_commitjob.h.

unsigned long long mongo::dur::getLastDataFileFlushTime ( )

bool mongo::dur::haveJournalFiles ( )

never throws.

Returns:: true if there are any journal files in the journal dir.

void mongo::dur::journal ( const AlignedBuilder & buf )

write/append to journal file *

Parameters:

buf

- a buffer that will be written to the journal. will not return until on disk

void mongo::dur::journalCleanup ( )

at termination after db files closed & fsynced

void mongo::dur::journalingFailure ( const char * msg )

flag that something has gone wrong during writing to the journal (not for recovery mode)

void mongo::dur::journalMakeDir ( )

assure journal/ dir exists. throws

unsigned long long mongo::dur::journalReadLSN ( )

read lsn from disk from the last run before doing recovery

void mongo::dur::journalRotate ( )

check if time to rotate files; assure a file is open. done separately from the journal() call as we can do this part outside of lock. only called by durThread.

void mongo::dur::releasingWriteLock ( )

void mongo::dur::REMAPPRIVATEVIEW ( )

void mongo::dur::startup ( )

Call during startup so durability module can initialize Throws if fatal error Does nothing if cmdLine.dur is false