mongo::RecordAccessTracker::Rolling Class Reference

this contains many slices of times the idea you put mem status in the current time slice and then after a certain period of time, it rolls off so we check again More...

Detailed Description

this contains many slices of times the idea you put mem status in the current time slice and then after a certain period of time, it rolls off so we check again

Public Member Functions
	Rolling ()=default
bool	access (size_t region, short offset, bool doHalf, ClockSource *cs)
	After this call, we assume the page is in RAM. More...
void	updateLastRotate (ClockSource *cs)
	Updates _lastRotate to the current time. More...

Private Member Functions
void	_rotate (ClockSource *cs)

Private Attributes
int	_curSlice = 0
Date_t	_lastRotate
Slice	_slices [NumSlices]
SimpleMutex	_lock

Constructor & Destructor Documentation

Rolling()

mongo::RecordAccessTracker::Rolling::Rolling ( )

default

Member Function Documentation

_rotate()

void mongo::RecordAccessTracker::Rolling::_rotate ( ClockSource *  cs )

private

access()

bool mongo::RecordAccessTracker::Rolling::access	(	size_t	region,
		short	offset,
		bool	doHalf,
		ClockSource *	cs
	)

After this call, we assume the page is in RAM.

Parameters

doHalf

if this is a known good access, want to put in first half.

Returns

whether we know the page is in RAM

updateLastRotate()

void mongo::RecordAccessTracker::Rolling::updateLastRotate

(

ClockSource *

cs

)

Updates _lastRotate to the current time.

Member Data Documentation

_curSlice

int mongo::RecordAccessTracker::Rolling::_curSlice = 0

private

_lastRotate

Date_t mongo::RecordAccessTracker::Rolling::_lastRotate

private

_lock

SimpleMutex mongo::RecordAccessTracker::Rolling::_lock

private

_slices

Slice mongo::RecordAccessTracker::Rolling::_slices[NumSlices]

private

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The documentation for this class was generated from the following files:

• /home/louis/git/mongodbsource.github.io/src/src/mongo/db/storage/mmap_v1/record_access_tracker.h
• /home/louis/git/mongodbsource.github.io/src/src/mongo/db/storage/mmap_v1/record_access_tracker.cpp