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

#include <XrdPfc.hh>

Public Member Functions
	Configuration ()

bool	are_file_usage_limits_set () const

bool	is_age_based_purge_in_effect () const

bool	is_uvkeep_purge_in_effect () const

bool	is_dir_stat_reporting_on () const

bool	is_purge_plugin_set_up () const

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

CkSumCheck_e	get_cs_Chk () const

bool	is_cschk_cache () const

bool	is_cschk_net () const

bool	is_cschk_any () const

bool	is_cschk_both () const

bool	does_cschk_have_missing_bits (CkSumCheck_e cks_on_file) const

bool	should_uvkeep_purge (time_t delta) const

Public Attributes
bool	m_hdfsmode
	flag for enabling block-level operation

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

std::string	m_username
	username passed to oss plugin

std::string	m_data_space
	oss space for data files

std::string	m_meta_space
	oss space for metadata files (cinfo)

long long	m_diskTotalSpace
	total disk space on configured partition or oss space

long long	m_diskUsageLWM
	cache purge - disk usage low water mark

long long	m_diskUsageHWM
	cache purge - disk usage high water mark

long long	m_fileUsageBaseline
	cache purge - files usage baseline

long long	m_fileUsageNominal
	cache purge - files usage nominal

long long	m_fileUsageMax
	cache purge - files usage maximum

int	m_purgeInterval
	sleep interval between cache purges

int	m_purgeColdFilesAge
	purge files older than this age

int	m_purgeAgeBasedPeriod
	peform cold file / uvkeep purge every this many purge cycles

int	m_accHistorySize
	max number of entries in access history part of cinfo file

std::set< std::string >	m_dirStatsDirs
	directories for which stat reporting was requested

std::set< std::string >	m_dirStatsDirGlobs
	directory globs for which stat reporting was requested

int	m_dirStatsMaxDepth
	maximum depth for statistics write out

int	m_dirStatsStoreDepth
	depth to which statistics should be collected

long long	m_bufferSize
	prefetch buffer size, default 1MB

long long	m_RamAbsAvailable
	available from configuration

int	m_RamKeepStdBlocks
	number of standard-sized blocks kept after release

int	m_wqueue_blocks
	maximum number of blocks written per write-queue loop

int	m_wqueue_threads
	number of threads writing blocks to disk

int	m_prefetch_max_blocks
	maximum number of blocks to prefetch per file

long long	m_hdfsbsize
	used with m_hdfsmode, default 128MB

long long	m_flushCnt
	nuber of unsynced blcoks on disk before flush is called

time_t	m_cs_UVKeep
	unverified checksum cache keep

int	m_cs_Chk
	Checksum check.

bool	m_cs_ChkTLS
	Allow TLS.

Detailed Description

Contains parameters configurable from the xrootd config file.

Constructor & Destructor Documentation

◆ Configuration()

XrdPfc::Configuration::Configuration ( )

Member Function Documentation

◆ are_file_usage_limits_set()

bool XrdPfc::Configuration::are_file_usage_limits_set ( ) const

inline

References m_fileUsageMax.

◆ calculate_fractional_usages()

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

◆ does_cschk_have_missing_bits()

bool XrdPfc::Configuration::does_cschk_have_missing_bits ( CkSumCheck_e cks_on_file ) const

inline

References m_cs_Chk.

◆ get_cs_Chk()

CkSumCheck_e XrdPfc::Configuration::get_cs_Chk ( ) const

inline

References m_cs_Chk.

◆ is_age_based_purge_in_effect()

bool XrdPfc::Configuration::is_age_based_purge_in_effect ( ) const

inline

References m_purgeColdFilesAge.

◆ is_cschk_any()

bool XrdPfc::Configuration::is_cschk_any ( ) const

inline

References XrdPfc::CSChk_Both, and m_cs_Chk.

◆ is_cschk_both()

bool XrdPfc::Configuration::is_cschk_both ( ) const

inline

References XrdPfc::CSChk_Both, and m_cs_Chk.

◆ is_cschk_cache()

bool XrdPfc::Configuration::is_cschk_cache ( ) const

inline

References XrdPfc::CSChk_Cache, and m_cs_Chk.

◆ is_cschk_net()

bool XrdPfc::Configuration::is_cschk_net ( ) const

inline

References XrdPfc::CSChk_Net, and m_cs_Chk.

◆ is_dir_stat_reporting_on()

bool XrdPfc::Configuration::is_dir_stat_reporting_on ( ) const

inline

References m_dirStatsDirGlobs, m_dirStatsDirs, and m_dirStatsMaxDepth.

◆ is_purge_plugin_set_up()

bool XrdPfc::Configuration::is_purge_plugin_set_up ( ) const

inline

◆ is_uvkeep_purge_in_effect()

bool XrdPfc::Configuration::is_uvkeep_purge_in_effect ( ) const

inline

References m_cs_UVKeep.

◆ should_uvkeep_purge()

bool XrdPfc::Configuration::should_uvkeep_purge ( time_t delta ) const

inline

References m_cs_UVKeep.

Member Data Documentation

◆ m_accHistorySize

int XrdPfc::Configuration::m_accHistorySize

max number of entries in access history part of cinfo file

◆ m_allow_xrdpfc_command

bool XrdPfc::Configuration::m_allow_xrdpfc_command

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

◆ m_bufferSize

long long XrdPfc::Configuration::m_bufferSize

prefetch buffer size, default 1MB

◆ m_cs_Chk

int XrdPfc::Configuration::m_cs_Chk

Checksum check.

Referenced by does_cschk_have_missing_bits(), get_cs_Chk(), is_cschk_any(), is_cschk_both(), is_cschk_cache(), and is_cschk_net().

◆ m_cs_ChkTLS

bool XrdPfc::Configuration::m_cs_ChkTLS

Allow TLS.

◆ m_cs_UVKeep

time_t XrdPfc::Configuration::m_cs_UVKeep

unverified checksum cache keep

Referenced by is_uvkeep_purge_in_effect(), and should_uvkeep_purge().

◆ m_data_space

std::string XrdPfc::Configuration::m_data_space

oss space for data files

◆ m_dirStatsDirGlobs

std::set<std::string> XrdPfc::Configuration::m_dirStatsDirGlobs

directory globs for which stat reporting was requested

Referenced by is_dir_stat_reporting_on().

◆ m_dirStatsDirs

std::set<std::string> XrdPfc::Configuration::m_dirStatsDirs

directories for which stat reporting was requested

Referenced by is_dir_stat_reporting_on().

◆ m_dirStatsMaxDepth

int XrdPfc::Configuration::m_dirStatsMaxDepth

maximum depth for statistics write out

Referenced by is_dir_stat_reporting_on().

◆ m_dirStatsStoreDepth

int XrdPfc::Configuration::m_dirStatsStoreDepth

depth to which statistics should be collected

◆ m_diskTotalSpace

long long XrdPfc::Configuration::m_diskTotalSpace

total disk space on configured partition or oss space

◆ m_diskUsageHWM

long long XrdPfc::Configuration::m_diskUsageHWM

cache purge - disk usage high water mark

◆ m_diskUsageLWM

long long XrdPfc::Configuration::m_diskUsageLWM

cache purge - disk usage low water mark

◆ m_fileUsageBaseline

long long XrdPfc::Configuration::m_fileUsageBaseline

cache purge - files usage baseline

◆ m_fileUsageMax

long long XrdPfc::Configuration::m_fileUsageMax

cache purge - files usage maximum

Referenced by are_file_usage_limits_set().

◆ m_fileUsageNominal

long long XrdPfc::Configuration::m_fileUsageNominal

cache purge - files usage nominal

◆ m_flushCnt

long long XrdPfc::Configuration::m_flushCnt

nuber of unsynced blcoks on disk before flush is called

◆ m_hdfsbsize

long long XrdPfc::Configuration::m_hdfsbsize

used with m_hdfsmode, default 128MB

◆ m_hdfsmode

bool XrdPfc::Configuration::m_hdfsmode

flag for enabling block-level operation

◆ m_meta_space

std::string XrdPfc::Configuration::m_meta_space

oss space for metadata files (cinfo)

◆ m_prefetch_max_blocks

int XrdPfc::Configuration::m_prefetch_max_blocks

maximum number of blocks to prefetch per file

◆ m_purgeAgeBasedPeriod

int XrdPfc::Configuration::m_purgeAgeBasedPeriod

peform cold file / uvkeep purge every this many purge cycles

◆ m_purgeColdFilesAge

int XrdPfc::Configuration::m_purgeColdFilesAge

purge files older than this age

Referenced by is_age_based_purge_in_effect().

◆ m_purgeInterval

int XrdPfc::Configuration::m_purgeInterval

sleep interval between cache purges

◆ m_RamAbsAvailable

long long XrdPfc::Configuration::m_RamAbsAvailable

available from configuration

◆ m_RamKeepStdBlocks

int XrdPfc::Configuration::m_RamKeepStdBlocks

number of standard-sized blocks kept after release

◆ m_username

std::string XrdPfc::Configuration::m_username

username passed to oss plugin

◆ m_wqueue_blocks

int XrdPfc::Configuration::m_wqueue_blocks

maximum number of blocks written per write-queue loop

◆ m_wqueue_threads

int XrdPfc::Configuration::m_wqueue_threads

number of threads writing blocks to disk

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

XrdPfc.hh

Public Member Functions

Public Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Configuration()

Member Function Documentation

◆ are_file_usage_limits_set()

◆ calculate_fractional_usages()

◆ does_cschk_have_missing_bits()

◆ get_cs_Chk()

◆ is_age_based_purge_in_effect()

◆ is_cschk_any()

◆ is_cschk_both()

◆ is_cschk_cache()

◆ is_cschk_net()

◆ is_dir_stat_reporting_on()

◆ is_purge_plugin_set_up()

◆ is_uvkeep_purge_in_effect()

◆ should_uvkeep_purge()

Member Data Documentation

◆ m_accHistorySize

◆ m_allow_xrdpfc_command

◆ m_bufferSize

◆ m_cs_Chk

◆ m_cs_ChkTLS

◆ m_cs_UVKeep

◆ m_data_space

◆ m_dirStatsDirGlobs

◆ m_dirStatsDirs

◆ m_dirStatsMaxDepth

◆ m_dirStatsStoreDepth

◆ m_diskTotalSpace

◆ m_diskUsageHWM

◆ m_diskUsageLWM

◆ m_fileUsageBaseline

◆ m_fileUsageMax

◆ m_fileUsageNominal

◆ m_flushCnt

◆ m_hdfsbsize

◆ m_hdfsmode

◆ m_meta_space

◆ m_prefetch_max_blocks

◆ m_purgeAgeBasedPeriod

◆ m_purgeColdFilesAge

◆ m_purgeInterval

◆ m_RamAbsAvailable

◆ m_RamKeepStdBlocks

◆ m_username

◆ m_wqueue_blocks

◆ m_wqueue_threads