XrdFileCache::Configuration Struct Reference

Contains parameters configurable from the xrootd config file. More...

#include <XrdFileCache.hh>

Public Member Functions
	Configuration ()
bool	are_file_usage_limits_set () const
bool	is_age_based_purge_in_effect () const
bool	is_purge_plugin_set_up () const
void	calculate_fractional_usages (long long du, long long fu, double &frac_du, double &frac_fu)

Public Attributes
bool	m_hdfsmode
	flag for enabling block-level operation More...
bool	m_allow_xrdpfc_command
	flag for enabling access to /xrdpfc-command/ functionality. More...
std::string	m_username
	username passed to oss plugin More...
std::string	m_data_space
	oss space for data files More...
std::string	m_meta_space
	oss space for metadata files (cinfo) More...
long long	m_diskTotalSpace
	total disk space on configured partition or oss space More...
long long	m_diskUsageLWM
	cache purge - disk usage low water mark More...
long long	m_diskUsageHWM
	cache purge - disk usage high water mark More...
long long	m_fileUsageBaseline
	cache purge - files usage baseline More...
long long	m_fileUsageNominal
	cache purge - files usage nominal More...
long long	m_fileUsageMax
	cache purge - files usage maximum More...
int	m_purgeInterval
	sleep interval between cache purges More...
int	m_purgeColdFilesAge
	purge files older than this age More...
int	m_purgeColdFilesPeriod
	peform cold file purge every this many purge cycles More...
long long	m_bufferSize
	prefetch buffer size, default 1MB More...
long long	m_RamAbsAvailable
	available from configuration More...
int	m_NRamBuffers
	number of total in-memory cache blocks, cached More...
int	m_prefetch_max_blocks
	maximum number of blocks to prefetch per file More...
long long	m_hdfsbsize
	used with m_hdfsmode, default 128MB More...
long long	m_flushCnt
	nuber of unsynced blcoks on disk before flush is called More...

Detailed Description

Contains parameters configurable from the xrootd config file.

Constructor & Destructor Documentation

XrdFileCache::Configuration::Configuration ( )

inline

Member Function Documentation

bool XrdFileCache::Configuration::are_file_usage_limits_set ( ) const

inline

References m_fileUsageMax.

void XrdFileCache::Configuration::calculate_fractional_usages	(	long long	du,
		long long	fu,
		double &	frac_du,
		double &	frac_fu
	)

bool XrdFileCache::Configuration::is_age_based_purge_in_effect ( ) const

inline

References m_purgeColdFilesAge.

bool XrdFileCache::Configuration::is_purge_plugin_set_up ( ) const

inline

Member Data Documentation

bool XrdFileCache::Configuration::m_allow_xrdpfc_command

flag for enabling access to /xrdpfc-command/ functionality.

long long XrdFileCache::Configuration::m_bufferSize

prefetch buffer size, default 1MB

std::string XrdFileCache::Configuration::m_data_space

oss space for data files

long long XrdFileCache::Configuration::m_diskTotalSpace

total disk space on configured partition or oss space

long long XrdFileCache::Configuration::m_diskUsageHWM

cache purge - disk usage high water mark

long long XrdFileCache::Configuration::m_diskUsageLWM

cache purge - disk usage low water mark

long long XrdFileCache::Configuration::m_fileUsageBaseline

cache purge - files usage baseline

long long XrdFileCache::Configuration::m_fileUsageMax

cache purge - files usage maximum

Referenced by are_file_usage_limits_set().

long long XrdFileCache::Configuration::m_fileUsageNominal

cache purge - files usage nominal

long long XrdFileCache::Configuration::m_flushCnt

nuber of unsynced blcoks on disk before flush is called

long long XrdFileCache::Configuration::m_hdfsbsize

used with m_hdfsmode, default 128MB

bool XrdFileCache::Configuration::m_hdfsmode

flag for enabling block-level operation

std::string XrdFileCache::Configuration::m_meta_space

oss space for metadata files (cinfo)

int XrdFileCache::Configuration::m_NRamBuffers

number of total in-memory cache blocks, cached

int XrdFileCache::Configuration::m_prefetch_max_blocks

maximum number of blocks to prefetch per file

int XrdFileCache::Configuration::m_purgeColdFilesAge

purge files older than this age

Referenced by is_age_based_purge_in_effect().

int XrdFileCache::Configuration::m_purgeColdFilesPeriod

peform cold file purge every this many purge cycles

int XrdFileCache::Configuration::m_purgeInterval

sleep interval between cache purges

long long XrdFileCache::Configuration::m_RamAbsAvailable

available from configuration

std::string XrdFileCache::Configuration::m_username

username passed to oss plugin

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The documentation for this struct was generated from the following file:

• XrdFileCache.hh