Pre-load cnigraph dlls

Hi,
I have a meas studio C++ app. One of the dialogs it displays contains
33 seperate CNiGraphs. The dialog also creates a CNiTask with 33 analog
channels, but does not start the task until a button on the dialog is
pressed.  The first time this dialog loads it takes several
seconds to load. On my development laptop it doesn't take too long, but
its real platform is a fairly slow machine running Win2K with 256meg
memory and there it takes around 6 seconds to load. Subsequent displays
of the dialog come up quickly. I suspect that the time taken is in
loading libraries. Can I pre load / link in any libraries to speed up
displaying the dialog?
Thanks
Phil reaston

Greetings
First thing I would do is verify which part exactly takes the longest. The 33 Graphs or the task? It's probably the task.
If its the task, one thing you can do is create the task when your
application is loading and verify that task using task.Control(DAQmxTaskVerify).
This way, you will get the delay hit during application load time
(maybe add a loading dialog box or something). This can be problematic
ofcourse if you do not have enough information about the type of task
at that point. In which case, you can try creating a fake task and
disposing of it to load some of the basic runtime libraries. So this
way, when you load the task the second time, the delay won't be that
bad. We load alot of the dll's at task load time since we don't know
what kind of task will be used and it makes no sense to load all the
stuff in the memory for all cases.
If its the graph (I'm doubtful whether this is the case), try creating the dialog with the graphs and hide it at load time.
I hope this helps.
Bilal Durrani
NI

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    ;extension=php_fdf.dll
    ;extension=php_filepro.dll
    ;extension=php_gd2.dll
    ;extension=php_gettext.dll
    ;extension=php_ifx.dll
    ;extension=php_imap.dll
    ;extension=php_interbase.dll
    ;extension=php_ldap.dll
    ;extension=php_mcrypt.dll
    ;extension=php_mhash.dll
    ;extension=php_mime_magic.dll
    ;extension=php_ming.dll
    ;extension=php_mssql.dll
    ;extension=php_msql.dll
    ;extension=php_mysql.dll
    extension=php_oci8.dll
    ;extension=php_openssl.dll
    ;extension=php_oracle.dll
    ;extension=php_pgsql.dll
    ;extension=php_shmop.dll
    ;extension=php_snmp.dll
    ;extension=php_sockets.dll
    ;extension=php_sqlite.dll
    ;extension=php_sybase_ct.dll
    ;extension=php_tidy.dll
    ;extension=php_xmlrpc.dll
    ;extension=php_xsl.dll
    ; Module Settings ;
    [Date]
    ; Defines the default timezone used by the date functions
    ;date.timezone =
    ;date.default_latitude = 31.7667
    ;date.default_longitude = 35.2333
    ;date.sunrise_zenith = 90.583333
    ;date.sunset_zenith = 90.583333
    [filter]
    ;filter.default = unsafe_raw
    ;filter.default_flags =
    [iconv]
    ;iconv.input_encoding = ISO-8859-1
    ;iconv.internal_encoding = ISO-8859-1
    ;iconv.output_encoding = ISO-8859-1
    [sqlite]
    ;sqlite.assoc_case = 0
    [xmlrpc]
    ;xmlrpc_error_number = 0
    ;xmlrpc_errors = 0
    [Pcre]
    ;pcre.recursion_limit=100000
    ;pcre.backtrack_limit=100000
    [Syslog]
    ; Whether or not to define the various syslog variables (e.g. $LOG_PID,
    ; $LOG_CRON, etc.). Turning it off is a good idea performance-wise. In
    ; runtime, you can define these variables by calling define_syslog_variables().
    define_syslog_variables = Off
    [mail function]
    ; For Win32 only.
    SMTP = localhost
    smtp_port = 25
    ; For Win32 only.
    ;sendmail_from = [email protected]
    ; For Unix only. You may supply arguments as well (default: "sendmail -t -i").
    ;sendmail_path =
    ; Force the addition of the specified parameters to be passed as extra parameters
    ; to the sendmail binary. These parameters will always replace the value of
    ; the 5th parameter to mail(), even in safe mode.
    ;mail.force_extra_parameters =
    [SQL]
    sql.safe_mode = Off
    [ODBC]
    ;odbc.default_db = Not yet implemented
    ;odbc.default_user = Not yet implemented
    ;odbc.default_pw = Not yet implemented
    ; Allow or prevent persistent links.
    odbc.allow_persistent = On
    ; Check that a connection is still valid before reuse.
    odbc.check_persistent = On
    ; Maximum number of persistent links. -1 means no limit.
    odbc.max_persistent = -1
    ; Maximum number of links (persistent + non-persistent). -1 means no limit.
    odbc.max_links = -1
    ; Handling of LONG fields. Returns number of bytes to variables. 0 means
    ; passthru.
    odbc.defaultlrl = 4096
    ; Handling of binary data. 0 means passthru, 1 return as is, 2 convert to char.
    ; See the documentation on odbc_binmode and odbc_longreadlen for an explanation
    ; of uodbc.defaultlrl and uodbc.defaultbinmode
    odbc.defaultbinmode = 1
    [MySQL]
    ; Allow or prevent persistent links.
    mysql.allow_persistent = On
    ; Maximum number of persistent links. -1 means no limit.
    mysql.max_persistent = -1
    ; Maximum number of links (persistent + non-persistent). -1 means no limit.
    mysql.max_links = -1
    ; Default port number for mysql_connect(). If unset, mysql_connect() will use
    ; the $MYSQL_TCP_PORT or the mysql-tcp entry in /etc/services or the
    ; compile-time value defined MYSQL_PORT (in that order). Win32 will only look
    ; at MYSQL_PORT.
    mysql.default_port =
    ; Default socket name for local MySQL connects. If empty, uses the built-in
    ; MySQL defaults.
    mysql.default_socket =
    ; Default host for mysql_connect() (doesn't apply in safe mode).
    mysql.default_host =
    ; Default user for mysql_connect() (doesn't apply in safe mode).
    mysql.default_user =
    ; Default password for mysql_connect() (doesn't apply in safe mode).
    ; Note that this is generally a bad idea to store passwords in this file.
    ; Any user with PHP access can run 'echo get_cfg_var("mysql.default_password")
    ; and reveal this password! And of course, any users with read access to this
    ; file will be able to reveal the password as well.
    mysql.default_password =
    ; Maximum time (in seconds) for connect timeout. -1 means no limit
    mysql.connect_timeout = 60
    ; Trace mode. When trace_mode is active (=On), warnings for table/index scans and
    ; SQL-Errors will be displayed.
    mysql.trace_mode = Off
    [MySQLi]
    ; Maximum number of links. -1 means no limit.
    mysqli.max_links = -1
    ; Default port number for mysqli_connect(). If unset, mysqli_connect() will use
    ; the $MYSQL_TCP_PORT or the mysql-tcp entry in /etc/services or the
    ; compile-time value defined MYSQL_PORT (in that order). Win32 will only look
    ; at MYSQL_PORT.
    mysqli.default_port = 3306
    ; Default socket name for local MySQL connects. If empty, uses the built-in
    ; MySQL defaults.
    mysqli.default_socket =
    ; Default host for mysql_connect() (doesn't apply in safe mode).
    mysqli.default_host =
    ; Default user for mysql_connect() (doesn't apply in safe mode).
    mysqli.default_user =
    ; Default password for mysqli_connect() (doesn't apply in safe mode).
    ; Note that this is generally a bad idea to store passwords in this file.
    ; Any user with PHP access can run 'echo get_cfg_var("mysqli.default_pw")
    ; and reveal this password! And of course, any users with read access to this
    ; file will be able to reveal the password as well.
    mysqli.default_pw =
    ; Allow or prevent reconnect
    mysqli.reconnect = Off
    [mSQL]
    ; Allow or prevent persistent links.
    msql.allow_persistent = On
    ; Maximum number of persistent links. -1 means no limit.
    msql.max_persistent = -1
    ; Maximum number of links (persistent+non persistent). -1 means no limit.
    msql.max_links = -1
    [PostgresSQL]
    ; Allow or prevent persistent links.
    pgsql.allow_persistent = On
    ; Detect broken persistent links always with pg_pconnect().
    ; Auto reset feature requires a little overheads.
    pgsql.auto_reset_persistent = Off
    ; Maximum number of persistent links. -1 means no limit.
    pgsql.max_persistent = -1
    ; Maximum number of links (persistent+non persistent). -1 means no limit.
    pgsql.max_links = -1
    ; Ignore PostgreSQL backends Notice message or not.
    ; Notice message logging require a little overheads.
    pgsql.ignore_notice = 0
    ; Log PostgreSQL backends Noitce message or not.
    ; Unless pgsql.ignore_notice=0, module cannot log notice message.
    pgsql.log_notice = 0
    [Sybase]
    ; Allow or prevent persistent links.
    sybase.allow_persistent = On
    ; Maximum number of persistent links. -1 means no limit.
    sybase.max_persistent = -1
    ; Maximum number of links (persistent + non-persistent). -1 means no limit.
    sybase.max_links = -1
    ;sybase.interface_file = "/usr/sybase/interfaces"
    ; Minimum error severity to display.
    sybase.min_error_severity = 10
    ; Minimum message severity to display.
    sybase.min_message_severity = 10
    ; Compatibility mode with old versions of PHP 3.0.
    ; If on, this will cause PHP to automatically assign types to results according
    ; to their Sybase type, instead of treating them all as strings. This
    ; compatibility mode will probably not stay around forever, so try applying
    ; whatever necessary changes to your code, and turn it off.
    sybase.compatability_mode = Off
    [Sybase-CT]
    ; Allow or prevent persistent links.
    sybct.allow_persistent = On
    ; Maximum number of persistent links. -1 means no limit.
    sybct.max_persistent = -1
    ; Maximum number of links (persistent + non-persistent). -1 means no limit.
    sybct.max_links = -1
    ; Minimum server message severity to display.
    sybct.min_server_severity = 10
    ; Minimum client message severity to display.
    sybct.min_client_severity = 10
    [bcmath]
    ; Number of decimal digits for all bcmath functions.
    bcmath.scale = 0
    [browscap]
    ;browscap = extra/browscap.ini
    [Informix]
    ; Default host for ifx_connect() (doesn't apply in safe mode).
    ifx.default_host =
    ; Default user for ifx_connect() (doesn't apply in safe mode).
    ifx.default_user =
    ; Default password for ifx_connect() (doesn't apply in safe mode).
    ifx.default_password =
    ; Allow or prevent persistent links.
    ifx.allow_persistent = On
    ; Maximum number of persistent links. -1 means no limit.
    ifx.max_persistent = -1
    ; Maximum number of links (persistent + non-persistent). -1 means no limit.
    ifx.max_links = -1
    ; If on, select statements return the contents of a text blob instead of its id.
    ifx.textasvarchar = 0
    ; If on, select statements return the contents of a byte blob instead of its id.
    ifx.byteasvarchar = 0
    ; Trailing blanks are stripped from fixed-length char columns. May help the
    ; life of Informix SE users.
    ifx.charasvarchar = 0
    ; If on, the contents of text and byte blobs are dumped to a file instead of
    ; keeping them in memory.
    ifx.blobinfile = 0
    ; NULL's are returned as empty strings, unless this is set to 1. In that case,
    ; NULL's are returned as string 'NULL'.
    ifx.nullformat = 0
    [Session]
    ; Handler used to store/retrieve data.
    session.save_handler = files
    ; Argument passed to save_handler. In the case of files, this is the path
    ; where data files are stored. Note: Windows users have to change this
    ; variable in order to use PHP's session functions.
    ; As of PHP 4.0.1, you can define the path as:
    ; session.save_path = "N;/path"
    ; where N is an integer. Instead of storing all the session files in
    ; /path, what this will do is use subdirectories N-levels deep, and
    ; store the session data in those directories. This is useful if you
    ; or your OS have problems with lots of files in one directory, and is
    ; a more efficient layout for servers that handle lots of sessions.
    ; NOTE 1: PHP will not create this directory structure automatically.
    ; You can use the script in the ext/session dir for that purpose.
    ; NOTE 2: See the section on garbage collection below if you choose to
    ; use subdirectories for session storage
    ; The file storage module creates files using mode 600 by default.
    ; You can change that by using
    ; session.save_path = "N;MODE;/path"
    ; where MODE is the octal representation of the mode. Note that this
    ; does not overwrite the process's umask.
    ;session.save_path = "/tmp"
    ; Whether to use cookies.
    session.use_cookies = 1
    ;session.cookie_secure =
    ; This option enables administrators to make their users invulnerable to
    ; attacks which involve passing session ids in URLs; defaults to 0.
    ; session.use_only_cookies = 1
    ; Name of the session (used as cookie name).
    session.name = PHPSESSID
    ; Initialize session on request startup.
    session.auto_start = 0
    ; Lifetime in seconds of cookie or, if 0, until browser is restarted.
    session.cookie_lifetime = 0
    ; The path for which the cookie is valid.
    session.cookie_path = /
    ; The domain for which the cookie is valid.
    session.cookie_domain =
    ; Whether or not to add the httpOnly flag to the cookie, which makes it inaccessible to browser scripting languages such as JavaScript.
    session.cookie_httponly =
    ; Handler used to serialize data. php is the standard serializer of PHP.
    session.serialize_handler = php
    ; Define the probability that the 'garbage collection' process is started
    ; on every session initialization.
    ; The probability is calculated by using gc_probability/gc_divisor,
    ; e.g. 1/100 means there is a 1% chance that the GC process starts
    ; on each request.
    session.gc_probability = 1
    session.gc_divisor = 1000
    ; After this number of seconds, stored data will be seen as 'garbage' and
    ; cleaned up by the garbage collection process.
    session.gc_maxlifetime = 1440
    ; NOTE: If you are using the subdirectory option for storing session files
    ; (see session.save_path above), then garbage collection does not
    ; happen automatically. You will need to do your own garbage
    ; collection through a shell script, cron entry, or some other method.
    ; For example, the following script would is the equivalent of
    ; setting session.gc_maxlifetime to 1440 (1440 seconds = 24 minutes):
    ; cd /path/to/sessions; find -cmin +24 | xargs rm
    ; PHP 4.2 and less have an undocumented feature/bug that allows you to
    ; to initialize a session variable in the global scope, albeit register_globals
    ; is disabled. PHP 4.3 and later will warn you, if this feature is used.
    ; You can disable the feature and the warning separately. At this time,
    ; the warning is only displayed, if bug_compat_42 is enabled.
    session.bug_compat_42 = 0
    session.bug_compat_warn = 1
    ; Check HTTP Referer to invalidate externally stored URLs containing ids.
    ; HTTP_REFERER has to contain this substring for the session to be
    ; considered as valid.
    session.referer_check =
    ; How many bytes to read from the file.
    session.entropy_length = 0
    ; Specified here to create the session id.
    session.entropy_file =
    ;session.entropy_length = 16
    ;session.entropy_file = /dev/urandom
    ; Set to {nocache,private,public,} to determine HTTP caching aspects
    ; or leave this empty to avoid sending anti-caching headers.
    session.cache_limiter = nocache
    ; Document expires after n minutes.
    session.cache_expire = 180
    ; trans sid support is disabled by default.
    ; Use of trans sid may risk your users security.
    ; Use this option with caution.
    ; - User may send URL contains active session ID
    ; to other person via. email/irc/etc.
    ; - URL that contains active session ID may be stored
    ; in publically accessible computer.
    ; - User may access your site with the same session ID
    ; always using URL stored in browser's history or bookmarks.
    session.use_trans_sid = 0
    ; Select a hash function
    ; 0: MD5 (128 bits)
    ; 1: SHA-1 (160 bits)
    session.hash_function = 0
    ; Define how many bits are stored in each character when converting
    ; the binary hash data to something readable.
    ; 4 bits: 0-9, a-f
    ; 5 bits: 0-9, a-v
    ; 6 bits: 0-9, a-z, A-Z, "-", ","
    session.hash_bits_per_character = 5
    ; The URL rewriter will look for URLs in a defined set of HTML tags.
    ; form/fieldset are special; if you include them here, the rewriter will
    ; add a hidden <input> field with the info which is otherwise appended
    ; to URLs. If you want XHTML conformity, remove the form entry.
    ; Note that all valid entries require a "=", even if no value follows.
    url_rewriter.tags = "a=href,area=href,frame=src,input=src,form=fakeentry"
    [MSSQL]
    ; Allow or prevent persistent links.
    mssql.allow_persistent = On
    ; Maximum number of persistent links. -1 means no limit.
    mssql.max_persistent = -1
    ; Maximum number of links (persistent+non persistent). -1 means no limit.
    mssql.max_links = -1
    ; Minimum error severity to display.
    mssql.min_error_severity = 10
    ; Minimum message severity to display.
    mssql.min_message_severity = 10
    ; Compatibility mode with old versions of PHP 3.0.
    mssql.compatability_mode = Off
    ; Connect timeout
    ;mssql.connect_timeout = 5
    ; Query timeout
    ;mssql.timeout = 60
    ; Valid range 0 - 2147483647. Default = 4096.
    ;mssql.textlimit = 4096
    ; Valid range 0 - 2147483647. Default = 4096.
    ;mssql.textsize = 4096
    ; Limits the number of records in each batch. 0 = all records in one batch.
    ;mssql.batchsize = 0
    ; Specify how datetime and datetim4 columns are returned
    ; On => Returns data converted to SQL server settings
    ; Off => Returns values as YYYY-MM-DD hh:mm:ss
    ;mssql.datetimeconvert = On
    ; Use NT authentication when connecting to the server
    mssql.secure_connection = Off
    ; Specify max number of processes. -1 = library default
    ; msdlib defaults to 25
    ; FreeTDS defaults to 4096
    ;mssql.max_procs = -1
    ; Specify client character set.
    ; If empty or not set the client charset from freetds.comf is used
    ; This is only used when compiled with FreeTDS
    ;mssql.charset = "ISO-8859-1"
    [Assertion]
    ; Assert(expr); active by default.
    ;assert.active = On
    ; Issue a PHP warning for each failed assertion.
    ;assert.warning = On
    ; Don't bail out by default.
    ;assert.bail = Off
    ; User-function to be called if an assertion fails.
    ;assert.callback = 0
    ; Eval the expression with current error_reporting(). Set to true if you want
    ; error_reporting(0) around the eval().
    ;assert.quiet_eval = 0
    [COM]
    ; path to a file containing GUIDs, IIDs or filenames of files with TypeLibs
    ;com.typelib_file =
    ; allow Distributed-COM calls
    ;com.allow_dcom = true
    ; autoregister constants of a components typlib on com_load()
    ;com.autoregister_typelib = true
    ; register constants casesensitive
    ;com.autoregister_casesensitive = false
    ; show warnings on duplicate constant registrations
    ;com.autoregister_verbose = true
    [mbstring]
    ; language for internal character representation.
    ;mbstring.language = Japanese
    ; internal/script encoding.
    ; Some encoding cannot work as internal encoding.
    ; (e.g. SJIS, BIG5, ISO-2022-*)
    ;mbstring.internal_encoding = EUC-JP
    ; http input encoding.
    ;mbstring.http_input = auto
    ; http output encoding. mb_output_handler must be
    ; registered as output buffer to function
    ;mbstring.http_output = SJIS
    ; enable automatic encoding translation according to
    ; mbstring.internal_encoding setting. Input chars are
    ; converted to internal encoding by setting this to On.
    ; Note: Do not use automatic encoding translation for
    ; portable libs/applications.
    ;mbstring.encoding_translation = Off
    ; automatic encoding detection order.
    ; auto means
    ;mbstring.detect_order = auto
    ; substitute_character used when character cannot be converted
    ; one from another
    ;mbstring.substitute_character = none;
    ; overload(replace) single byte functions by mbstring functions.
    ; mail(), ereg(), etc are overloaded by mb_send_mail(), mb_ereg(),
    ; etc. Possible values are 0,1,2,4 or combination of them.
    ; For example, 7 for overload everything.
    ; 0: No overload
    ; 1: Overload mail() function
    ; 2: Overload str*() functions
    ; 4: Overload ereg*() functions
    ;mbstring.func_overload = 0
    ; enable strict encoding detection.
    ;mbstring.strict_encoding = Off
    [FrontBase]
    ;fbsql.allow_persistent = On
    ;fbsql.autocommit = On
    ;fbsql.show_timestamp_decimals = Off
    ;fbsql.default_database =
    ;fbsql.default_database_password =
    ;fbsql.default_host =
    ;fbsql.default_password =
    ;fbsql.default_user = "_SYSTEM"
    ;fbsql.generate_warnings = Off
    ;fbsql.max_connections = 128
    ;fbsql.max_links = 128
    ;fbsql.max_persistent = -1
    ;fbsql.max_results = 128
    [gd]
    ; Tell the jpeg decode to libjpeg warnings and try to create
    ; a gd image. The warning will then be displayed as notices
    ; disabled by default
    ;gd.jpeg_ignore_warning = 0
    [exif]
    ; Exif UNICODE user comments are handled as UCS-2BE/UCS-2LE and JIS as JIS.
    ; With mbstring support this will automatically be converted into the encoding
    ; given by corresponding encode setting. When empty mbstring.internal_encoding
    ; is used. For the decode settings you can distinguish between motorola and
    ; intel byte order. A decode setting cannot be empty.
    ;exif.encode_unicode = ISO-8859-15
    ;exif.decode_unicode_motorola = UCS-2BE
    ;exif.decode_unicode_intel = UCS-2LE
    ;exif.encode_jis =
    ;exif.decode_jis_motorola = JIS
    ;exif.decode_jis_intel = JIS
    [Tidy]
    ; The path to a default tidy configuration file to use when using tidy
    ;tidy.default_config = /usr/local/lib/php/default.tcfg
    ; Should tidy clean and repair output automatically?
    ; WARNING: Do not use this option if you are generating non-html content
    ; such as dynamic images
    tidy.clean_output = Off
    [soap]
    ; Enables or disables WSDL caching feature.
    soap.wsdl_cache_enabled=1
    ; Sets the directory name where SOAP extension will put cache files.
    soap.wsdl_cache_dir="/tmp"
    ; (time to live) Sets the number of second while cached file will be used
    ; instead of original one.
    soap.wsdl_cache_ttl=86400
    ; Local Variables:
    ; tab-width: 4
    ; End:
    HTTPD.CONF
    # This is the main Apache HTTP server configuration file. It contains the
    # configuration directives that give the server its instructions.
    # See <URL:http://httpd.apache.org/docs/2.2/> for detailed information.
    # In particular, see
    # <URL:http://httpd.apache.org/docs/2.2/mod/directives.html>
    # for a discussion of each configuration directive.
    # Do NOT simply read the instructions in here without understanding
    # what they do. They're here only as hints or reminders. If you are unsure
    # consult the online docs. You have been warned.
    # Configuration and logfile names: If the filenames you specify for many
    # of the server's control files begin with "/" (or "drive:/" for Win32), the
    # server will use that explicit path. If the filenames do not begin
    # with "/", the value of ServerRoot is prepended -- so "logs/foo.log"
    # with ServerRoot set to "C:/Program Files/Apache Software Foundation/Apache2.2" will be interpreted by the
    # server as "C:/Program Files/Apache Software Foundation/Apache2.2/logs/foo.log".
    # NOTE: Where filenames are specified, you must use forward slashes
    # instead of backslashes (e.g., "c:/apache" instead of "c:\apache").
    # If a drive letter is omitted, the drive on which Apache.exe is located
    # will be used by default. It is recommended that you always supply
    # an explicit drive letter in absolute paths, however, to avoid
    # confusion.
    # ThreadsPerChild: constant number of worker threads in the server process
    # MaxRequestsPerChild: maximum number of requests a server process serves
    ThreadsPerChild 250
    MaxRequestsPerChild 0
    # ServerRoot: The top of the directory tree under which the server's
    # configuration, error, and log files are kept.
    # Do not add a slash at the end of the directory path. If you point
    # ServerRoot at a non-local disk, be sure to point the LockFile directive
    # at a local disk. If you wish to share the same ServerRoot for multiple
    # httpd daemons, you will need to change at least LockFile and PidFile.
    ServerRoot "C:/Program Files/Apache Software Foundation/Apache2.2"
    # Listen: Allows you to bind Apache to specific IP addresses and/or
    # ports, instead of the default. See also the <VirtualHost>
    # directive.
    # Change this to Listen on specific IP addresses as shown below to
    # prevent Apache from glomming onto all bound IP addresses (0.0.0.0)
    #Listen 12.34.56.78:80
    Listen 80
    # Dynamic Shared Object (DSO) Support
    # To be able to use the functionality of a module which was built as a DSO you
    # have to place corresponding `LoadModule' lines at this location so the
    # directives contained in it are actually available before they are used.
    # Statically compiled modules (those listed by `httpd -l') do not need
    # to be loaded here.
    # Example:
    # LoadModule foo_module modules/mod_foo.so
    LoadModule actions_module modules/mod_actions.so
    LoadModule alias_module modules/mod_alias.so
    LoadModule asis_module modules/mod_asis.so
    LoadModule auth_basic_module modules/mod_auth_basic.so
    #LoadModule auth_digest_module modules/mod_auth_digest.so
    #LoadModule authn_anon_module modules/mod_authn_anon.so
    #LoadModule authn_dbm_module modules/mod_authn_dbm.so
    LoadModule authn_default_module modules/mod_authn_default.so
    LoadModule authn_file_module modules/mod_authn_file.so
    #LoadModule authz_dbm_module modules/mod_authz_dbm.so
    LoadModule authz_default_module modules/mod_authz_default.so
    LoadModule authz_groupfile_module modules/mod_authz_groupfile.so
    LoadModule authz_host_module modules/mod_authz_host.so
    LoadModule authz_user_module modules/mod_authz_user.so
    LoadModule autoindex_module modules/mod_autoindex.so
    #LoadModule cern_meta_module modules/mod_cern_meta.so
    LoadModule cgi_module modules/mod_cgi.so
    #LoadModule dav_module modules/mod_dav.so
    #LoadModule dav_fs_module modules/mod_dav_fs.so
    #LoadModule deflate_module modules/mod_deflate.so
    LoadModule dir_module modules/mod_dir.so
    LoadModule env_module modules/mod_env.so
    #LoadModule expires_module modules/mod_expires.so
    #LoadModule file_cache_module modules/mod_file_cache.so
    #LoadModule headers_module modules/mod_headers.so
    LoadModule imagemap_module modules/mod_imagemap.so
    LoadModule include_module modules/mod_include.so
    #LoadModule info_module modules/mod_info.so
    LoadModule isapi_module modules/mod_isapi.so
    LoadModule log_config_module modules/mod_log_config.so
    LoadModule mime_module modules/mod_mime.so
    #LoadModule mime_magic_module modules/mod_mime_magic.so
    #LoadModule proxy_module modules/mod_proxy.so
    #LoadModule proxy_ajp_module modules/mod_proxy_ajp.so
    #LoadModule proxy_balancer_module modules/mod_proxy_balancer.so
    #LoadModule proxy_connect_module modules/mod_proxy_connect.so
    #LoadModule proxy_http_module modules/mod_proxy_http.so
    #LoadModule proxy_ftp_module modules/mod_proxy_ftp.so
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    # a CustomLog directive (see below).
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    Sunil.M

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  • Essbase Error : Unable to load the dll essapinu.dll.

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    ///////////////////////////////////////

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  • Pre-loading Oracle text in memory with Oracle 12c

    There is a white paper from Roger Ford that explains how to load the Oracle index in memory : http://www.oracle.com/technetwork/database/enterprise-edition/mem-load-082296.html
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    (ID NUMBER(9,0) NOT NULL ENABLE,
    XML_DATA XMLTYPE
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    2. insert a few records
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    insert into test values(2,'<BOOK><TITLE>The House of Mirth</TITLE>Written in 1905<Author NAME="Edith Wharton"> Wharton was born to George Frederic Jones and Lucretia Stevens Rhinelander in New York City.</Author></BOOK>');
    insert into test values(3,'<BOOK><TITLE>Age of innocence</TITLE>She got a prize for it.<Author NAME="Edith Wharton"> Wharton was born to George Frederic Jones and Lucretia Stevens Rhinelander in New York City.</Author></BOOK>');
    3. create the text index
    drop index i_test;
      exec ctx_ddl.create_section_group('TEST_SGP','PATH_SECTION_GROUP');
    begin
      CTX_DDL.ADD_SDATA_SECTION(group_name => 'TEST_SGP', 
                                section_name => 'SData_02',
                                tag => 'SData_02',
                                datatype => 'varchar2');
    end;
    exec ctx_ddl.create_preference('TEST_STO','BASIC_STORAGE');
    exec  ctx_ddl.set_attribute('TEST_STO','I_TABLE_CLAUSE','tablespace USERS storage (initial 64K)');
    exec  ctx_ddl.set_attribute('TEST_STO','I_INDEX_CLAUSE','tablespace USERS storage (initial 64K) compress 2');
    exec  ctx_ddl.set_attribute ('TEST_STO', 'BIG_IO', 'NO' );
    exec  ctx_ddl.set_attribute ('TEST_STO', 'SEPARATE_OFFSETS', 'NO' );
    create index I_TEST
      on TEST (XML_DATA)
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      parameters('
        section group   "TEST_SGP"
        storage         "TEST_STO"
      ') parallel 2;
    4. check the index size
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    it says :
    TOTALS FOR INDEX TEST.I_TEST
    TOTAL BLOCKS ALLOCATED:                                                104
    TOTAL BLOCKS USED:                                                      72
    TOTAL BYTES ALLOCATED:                                 851,968 (832.00 KB)
    TOTAL BYTES USED:                                      589,824 (576.00 KB)
    4. optimize the index
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    TOTALS FOR INDEX TEST.I_TEST
    TOTAL BLOCKS ALLOCATED:                                               1112
    TOTAL BLOCKS USED:                                                    1080
    TOTAL BYTES ALLOCATED:                                 9,109,504 (8.69 MB)
    TOTAL BYTES USED:                                      8,847,360 (8.44 MB)
    which shows that it went from 576KB to 8.44MB. With a big index the difference is not so big, but still from 14G to 19G.
    5. Workaround: use the BIG_IO option, so that the token_info column of the DR$ I table will be stored in a secure file and the size will stay relatively small. Then you can load this column in the cache using a procedure similar to
    alter table DR$I_TEST$I storage (buffer_pool keep);
    alter table dr$i_test$i modify lob(token_info) (cache storage (buffer_pool keep));
    rem: now we must read the lob so that it will be loaded in the keep buffer pool, use the prccedure below
    create or replace procedure loadTokenInfo is
      type c_type is ref cursor;
      c2 c_type;
      s varchar2(2000);
      b blob;
      buff varchar2(100);
      siz number;
      off number;
      cntr number;
    begin
        s := 'select token_info from  DR$i_test$I';
        open c2 for s;
        loop
           fetch c2 into b;
           exit when c2%notfound;
           siz := 10;
           off := 1;
           cntr := 0;
           if dbms_lob.getlength(b) > 0 then
             begin
               loop
                 dbms_lob.read(b, siz, off, buff);
                 cntr := cntr + 1;
                 off := off + 4096;
               end loop;
             exception when no_data_found then
               if cntr > 0 then
                 dbms_output.put_line('4K chunks fetched: '||cntr);
               end if;
             end;
           end if;
        end loop;
    end;
    Rgds, Pierre

    I have been working a lot on that issue recently, I can give some more info.
    First I totally agree with you, I don't like to use the keep_pool and I would love to avoid it. On the other hand, we have a specific use case : 90% of the activity in the DB is done by queuing and dbms_scheduler jobs where response time does not matter. All those processes are probably filling the buffer cache. We have a customer facing application that uses the text index to search the database : performance is critical for them.
    What kind of performance do you have with your application ?
    In my case, I have learned the hard way that having the index in memory (the DR$I table in fact) is the key : if it is not, then performance is poor. I find it reasonable to pin the DR$I table in memory and if you look at competitors this is what they do. With MongoDB they explicitly says that the index must be in memory. With elasticsearch, they use JVM's that are also in memory. And effectively, if you look at the awr report, you will see that Oracle is continuously accessing the DR$I table, there is a SQL similar to
    SELECT /*+ DYNAMIC_SAMPLING(0) INDEX(i) */    
    TOKEN_FIRST, TOKEN_LAST, TOKEN_COUNT, ROWID    
    FROM DR$idxname$I
    WHERE TOKEN_TEXT = :word AND TOKEN_TYPE = :wtype    
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    which is continuously done.
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    But my other problem was that the optimize_index in REBUILD mode caused the DR$I table to double in size : it seems crazy that this was closed as not a bug but it was and I can't do anything about it. It is a bug in my opinion, because the create index command and "alter index rebuild" command both result in a much smaller index, so why would the guys that developped the optimize function (is it another team, using another algorithm ?) make the index two times bigger ?
    And for that the track I have been following is to put the index in a 16K tablespace : in this case the space used by the index remains more or less flat (increases but much more reasonably). The difficulty here is to pin the index in memory because the trick of R. Ford was not working anymore.
    What worked:
    first set the keep_pool to zero and set the db_16k_cache_size to instead. Then change the storage preference to make sure that everything you want to cache (mostly the DR$I) table come in the tablespace with the non-standard block size of 16k.
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    SELECT /*+ FULL(ITAB) CACHE(ITAB) */ SUM(TOKEN_COUNT),  SUM(LENGTH(TOKEN_INFO)) FROM DR#idxname0003$I;
    SELECT /*+ INDEX(ITAB) CACHE(ITAB) */  SUM(LENGTH(TOKEN_TEXT)) FROM DR#idxname0001$I ITAB;
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    Other points of attention with the text index creation (stuff that surprised me at first !) ;
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    - this in combination with the fact that if you are on a RAC, you won't see any activity on the box can be very frightening : this is because oracle can choose to start the workers on the other node.
    I understand much better how the text indexing works, I think it is a great technology which can scale via partitioning. But like always the design of the application is crucial, most of our problems come from the fact that we did not choose the right sectioning (we choosed PATH_SECTION_GROUP while XML_SECTION_GROUP is so much better IMO). Maybe later I can convince the dev to change the sectionining, especially because SDATA and MDATA section are not supported with PATCH_SECTION_GROUP (although it seems to work, even though we had one occurence of a bad result linked to the existence of SDATA in the index definition). Also the whole problematic of mixed structured/unstructured searches is completly tackled if one use XML_SECTION_GROUP with MDATA/SDATA (but of course the app was written for Oracle 10...)
    Regards, Pierre

  • Dual boot Win7 pre-loaded and XP

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    The large print: please read the Community Participation Rules before posting. Include as much information as possible: model, machine type, operating system, and a descriptive subject line. Do not include personal information: serial number, telephone number, email address, etc.  The fine print: I do not work for, nor do I speak for Lenovo. Unsolicited private messages will be ignored. ... GeezBlog
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  • Adding a pre loader to an XML photo gallery between the photos.

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    Thanks in advance
    Dave

    The Loader class has a contentLoaderInfo property that is a LoaderInfo class object.  You can assign an event listener to the contentLoader Info that listens for PROGRESS.  There is an example in the Loader class section that shows the contentLoaderInfo property being used for a variety of event detections, including PROGRESS.

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