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tracker-store(1)			  User Commands 			 tracker-store(1)

NAME
       tracker-store - database indexer and query daemon

SYNOPSIS
       tracker-store [OPTION...]

DESCRIPTION
       tracker-store  provides	both  a powerful database daemon which allows clients to query or
       update their data using the highly descriptive SPARQL language.

       tracker-store does not do any file crawling or any mining of data  itself,  instead  other
       processes do that and serves as a daemon waiting for such requests from application miners
       like tracker-miner-fs.

OPTIONS
       -?, --help
	      A brief help message including some examples.

       -V, --version
	      Returns the version of this binary.

       -v, --verbosity={0|1|2|3}
	      Sets the logging level, 0=errors, 1=minimal, 2=detailed, 3=debug.

       -r, --force-reindex
	      This forces tracker-store to remove databases and to recreate fresh databases ready
	      for  data  insertion  from  the  miners. For more information about the miners, see
	      tracker-miner-fs.

       -m, --low-memory
	      This changes the behavior of the database manager and some other parts of  tracker-
	      store  to  be  optimized	for  lower memory systems by lowering database connection
	      cache sizes and page sizes for example. This may slow down indexing performance.

       -n, --readonly-mode
	      This starts tracker-store in a mode which disables writing to  the  database.  Only
	      SPARQL read requests can be serviced if this option is used.

ENVIRONMENT
       TRACKER_DB_ONTOLOGIES_DIR
	      This is the directory which tracker uses to load the .ontology files from. If unset
	      it will default to the correct place. This is used mainly for testing purposes.

       TRACKER_LANGUAGE_STOP_WORDS_DIR
	      This is the directory which tracker uses to load the stop words dictionaries  from.
	      If unset it will default to the correct place. This is used mainly for testing pur-
	      poses.

       TRACKER_STORE_MAX_TASK_TIME
	      This is maximum time allowed for a process to finish before  interruption  happens.
	      The  actual  moment  of  interruption  depends also on the frequency of checks. The
	      value 0 indicates no interruption.  This environment variable is	used  mainly  for
	      testing purposes.

       TRACKER_STORE_SELECT_CACHE_SIZE / TRACKER_STORE_UPDATE_CACHE_SIZE
	      Tracker caches database statements which occur frequently to make subsequent repeat
	      queries much faster. The cache size is set to 100 by default for each type  (select
	      and  update queries). This must be at least 2 as a minimum, any less and a value of
	      3 is used instead. The number represents the number of cached  statements  to  keep
	      around.  This environment variable is used mainly for testing purposes.

       TRACKER_PRAGMAS_FILE
	      Tracker  has  a  fixed  set  of PRAGMA settings for creating its SQLite connection.
	      With this environment variable pointing to a text file you can override these  set-
	      tings.  The  file  is a \n separated list of SQLite queries to execute on any newly
	      created SQLite connection in tracker-store.

       TRACKER_DISABLE_MEEGOTOUCH_LOCALE
	      If Tracker is compiled with meegotouch  locale  management  support,  setting  this
	      variable	in the environment will disable retrieving the locale from GConf, and the
	      standard locale settings will be used instead.

       TRACKER_USE_LOG_FILES
	      Don't just log to stdout and stderr, but	to  log  files	too  which  are  kept  in
	      $HOME/.local/share/tracker/. This came into effect in 0.15.3 and 0.16.0. After this
	      version of Tracker, logging to file (usually useful for debugging) can only be done
	      by declaring this environment variable.

       TRACKER_USE_CONFIG_FILES
	      Don't  use  GSettings, instead use a config file similar to how settings were saved
	      in 0.10.x. That is, a file which is much like an .ini file.   These  are	saved  to
	      $HOME/.config/tracker/

NOTES
       tracker-store  is highly bound to the D-Bus freedesktop project. A D-Bus session is needed
       for all Tracker processes to communicate between each other.  D-Bus is our acting IPC. See
       dbus-daemon(1) for more information.

SEE ALSO
       tracker-applet(1),  tracker-search-tool(1),  tracker-search(1),	tracker-tag(1),  tracker-
       stats(1), tracker-services(1), tracker-info(1), tracker-control(1),

       http://www.w3.org/TR/rdf-sparql-query/

       dbus-daemon(1),

       http://www.freedesktop.org/wiki/Software/dbus

GNU					  September 2009			 tracker-store(1)
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