2026-03-12 20:23:15

vg/library_cache_lock.sql

@@ -0,0 +1,28 @@
+@@header
+
+/* 
+   Library Cache Pin/Lock Pile Up hangs the application 
+*/
+
+SELECT s.inst_id
+     , s.SID
+     , kglpnmod "Mode"
+     , kglpnreq "Req"
+     , SPID "OS Process"
+     , s.program
+FROM gv$session_wait w
+   , sys.x$kglpn p
+   , gv$session s 
+   , gv$process o
+WHERE p.kglpnuse = s.saddr
+and p.inst_id  = s.inst_id
+AND p.kglpnhdl = w.p1raw
+AND w.event LIKE '%library cache lock%'
+and w.sid = s.sid
+and w.inst_id = s.inst_id
+and s.inst_id = o.inst_id
+AND s.paddr=o.addr
+;
+
+
+@@footer