Difference between revisions of "Public.getmanagepercentavailnodewindow (function)"
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== wikibot == | == wikibot == | ||
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CREATE OR REPLACE FUNCTION public.getmanagepercentavailnodewindow(integer, timestamp without time zone, timestamp without time zone) | CREATE OR REPLACE FUNCTION public.getmanagepercentavailnodewindow(integer, timestamp without time zone, timestamp without time zone) | ||
RETURNS double precision | RETURNS double precision | ||
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END; | END; | ||
$function$ | $function$ | ||
| − | + | |- | |
| + | | Execute | ||
| + | | Function | ||
| + | | [[public.getmanagedoutagefornodeinwindow_(function)|public.getmanagedoutagefornodeinwindow]] | ||
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| + | |- | ||
| + | | Execute | ||
| + | | Function | ||
| + | | [[public.getmanagedservicecountfornode_(function)|public.getmanagedservicecountfornode]] | ||
Revision as of 08:31, 11 February 2010
wikibot
CREATE OR REPLACE FUNCTION public.getmanagepercentavailnodewindow(integer, timestamp without time zone, timestamp without time zone)
RETURNS double precision LANGUAGE plpgsql
AS $function$
DECLARE
nid ALIAS FOR $1; xtime ALIAS FOR $2; ytime ALIAS FOR $3; downtime float8 := 0.0; count integer := 0; rollingWindow float := 0; totalServiceTime float := 0;
BEGIN
IF xtime < ytime THEN rollingWindow := EXTRACT (EPOCH FROM (ytime - xtime)); downtime := getManagedOutageForNodeInWindow(nid, ytime, xtime)/1000; ELSE rollingWindow := EXTRACT (EPOCH FROM (xtime - ytime)); downtime := getManagedOutageForNodeInWindow(nid, xtime, ytime)/1000; END IF; count := getManagedServiceCountForNode(nid); totalServiceTime := count * rollingWindow;
IF totalServiceTime > 0 THEN RETURN 100 * (1 - (downtime / totalServiceTime)); ELSE IF totalServiceTime = 0 THEN
RETURN 100;
ELSE
RETURN -1;
END IF;
END IF;
END;
$function$ |- | Execute | Function | public.getmanagedoutagefornodeinwindow
|- | Execute | Function | public.getmanagedservicecountfornode
