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_purge_plugin_set_up () const |
void | calculate_fractional_usages (long long du, long long fu, double &frac_du, double &frac_fu) |
bool | are_dirstats_enabled () 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_purgeColdFilesPeriod |
peform cold file 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 | |
bool | m_dirStats |
is directory access / usage statistics enabled | |
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 |
Contains parameters configurable from the xrootd config file.
XrdPfc::Configuration::Configuration | ( | ) | [inline] |
bool XrdPfc::Configuration::are_dirstats_enabled | ( | ) | const [inline] |
References m_dirStats.
bool XrdPfc::Configuration::are_file_usage_limits_set | ( | ) | const [inline] |
References m_fileUsageMax.
void XrdPfc::Configuration::calculate_fractional_usages | ( | long long | du, | |
long long | fu, | |||
double & | frac_du, | |||
double & | frac_fu | |||
) |
bool XrdPfc::Configuration::is_age_based_purge_in_effect | ( | ) | const [inline] |
References m_purgeColdFilesAge.
bool XrdPfc::Configuration::is_purge_plugin_set_up | ( | ) | const [inline] |
max number of entries in access history part of cinfo file
flag for enabling access to /xrdpfc-command/ functionality.
long long XrdPfc::Configuration::m_bufferSize |
prefetch buffer size, default 1MB
std::string XrdPfc::Configuration::m_data_space |
oss space for data files
is directory access / usage statistics enabled
Referenced by are_dirstats_enabled().
std::set<std::string> XrdPfc::Configuration::m_dirStatsDirGlobs |
directory globs for which stat reporting was requested
std::set<std::string> XrdPfc::Configuration::m_dirStatsDirs |
directories for which stat reporting was requested
maximum depth for statistics write out
depth to which statistics should be collected
long long XrdPfc::Configuration::m_diskTotalSpace |
total disk space on configured partition or oss space
long long XrdPfc::Configuration::m_diskUsageHWM |
cache purge - disk usage high water mark
long long XrdPfc::Configuration::m_diskUsageLWM |
cache purge - disk usage low water mark
cache purge - files usage baseline
long long XrdPfc::Configuration::m_fileUsageMax |
cache purge - files usage maximum
Referenced by are_file_usage_limits_set().
cache purge - files usage nominal
long long XrdPfc::Configuration::m_flushCnt |
nuber of unsynced blcoks on disk before flush is called
long long XrdPfc::Configuration::m_hdfsbsize |
used with m_hdfsmode, default 128MB
flag for enabling block-level operation
std::string XrdPfc::Configuration::m_meta_space |
oss space for metadata files (cinfo)
maximum number of blocks to prefetch per file
purge files older than this age
Referenced by is_age_based_purge_in_effect().
peform cold file purge every this many purge cycles
sleep interval between cache purges
long long XrdPfc::Configuration::m_RamAbsAvailable |
available from configuration
number of standard-sized blocks kept after release
std::string XrdPfc::Configuration::m_username |
username passed to oss plugin
maximum number of blocks written per write-queue loop
number of threads writing blocks to disk