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<h1>22. Virtuoso Functions Guide - sys_stat</h1>
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<div id="text">
<h2>sys_stat</h2>
<div class="refpurpose">Return statistical information about the Virtuoso server.</div>
<div class="funcsynopsis">
<span class="funcdef">any <span class="function">sys_stat</span>
</span>
(<span class="paramdef">in <span class="parameter">stat_name</span> varchar</span>);
</div>
<div class="refsect1">
<div class="refsect1title">Description</div>
<p>This function returns the statistic related to the requested statistic name
give as a parameter to the function.</p>
</div>
<div class="refsect1">
<div class="refsect1title">Parameters</div>
<div class="refsect2">
<span class="refsect2title">stat_name – </span>
The name of the statistic to look-up and return. This can be one of:
<ul>
<li>st_dbms_name</li>
<li>st_dbms_ver</li>
<li>st_build_thread_model</li>
<li>st_build_opsys_id</li>
<li>st_build_date</li>
<li>st_lic_owner</li>
<li>st_lic_max_connections</li>
<li>st_lic_current_use</li>
<li>st_lic_granted_use</li>
<li>st_lic_peak_use</li>
<li>st_lic_times_exceeded</li>
<li>st_lic_claims</li>
<li>st_lic_clients</li>
<li>st_lic_issuer</li>
<li>st_lic_serial_number</li>
<li>st_lic_release</li>
<li>st_lic_platform</li>
<li>st_lic_expiredate</li>
<li>st_lic_ncpus</li>
<li>st_lic_nusers</li>
<li>st_lic_modules</li>
<li>st_lic_applications</li>
<li>st_lic_availability</li>
<li>st_lic_clients</li>
<li>st_lic_nodename</li>
<li>st_lic_wstype</li>
<li>st_lic_notice</li>
<li>st_lic_lmgr_version</li>
<li>st_lic_lmgr_directory</li>
<li>st_proc_served</li>
<li>st_proc_active</li>
<li>st_proc_running</li>
<li>st_proc_queued_req</li>
<li>st_proc_brk</li>
<li>st_db_file_size</li>
<li>st_db_pages</li>
<li>st_db_free_pages</li>
<li>st_db_buffers</li>
<li>st_db_used_buffers</li>
<li>st_db_dirty_buffers</li>
<li>st_db_wired_buffers</li>
<li>st_db_disk_read_avg</li>
<li>st_db_disk_read_pct</li>
<li>st_db_disk_read_last</li>
<li>st_db_disk_read_aheads</li>
<li>st_db_disk_read_ahead_batch</li>
<li>st_db_disk_second_reads</li>
<li>st_db_disk_in_while_read</li>
<li>st_db_disk_mt_write</li>
<li>st_db_log_name</li>
<li>st_db_log_length</li>
<li>st_cli_connects</li>
<li>st_cli_max_connected</li>
<li>st_cli_n_current_connections</li>
<li>st_cli_n_http_threads</li>
<li>st_rpc_stat</li>
<li>st_inx_pages_changed</li>
<li>st_inx_pages_new</li>
<li>st_chkp_remap_pages</li>
<li>st_chkp_mapback_pages</li>
<li>st_chkp_atomic_time</li>
<li>st_chkp_autocheckpoint</li>
<li>st_chkp_last_checkpointed</li>
<li>st_repl_serv_name</li>
<li>st_host_name</li>
<li>st_os_user_name</li>
<li>st_case_mode</li>
</ul>
</div>
</div>
<div class="refsect1">
<div class="refsect1title">Return Types</div>
<p>Statistic to be returned. Can be a value such as the server version, or a string such as the database name.</p>
</div>
<div class="refsect1">
<div class="refsect1title">Examples</div>
<a name="ex_sys_stat" />
<div class="example">
<div class="exampletitle">Returning simple statistics.</div>
<div>
<pre class="screen">
SQL> select concat(sys_stat('st_dbms_name'), ' - ', sys_stat('st_dbms_ver'));
callret
VARCHAR
_______________________________________________________________________________
OpenLink Virtuoso PHP4 Server - 03.00.2402
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