Merge pull request #6157 from richardkchapman/roxie-keycache-delay

HPCC-11801 ERROR: Query suspended: Different version of file already loaded

Reviewed-by: Gavin Halliday <ghalliday@hpccsystems.com>

roxie/ccd/ccdstate.cpp

@@ -150,6 +150,7 @@ public:
             }
             if (nextTimeout != INFINITE)
                 nextTimeout = nextTimeout * 1000;
+            clearKeyStoreCache(false);   // Allows us to fully release files we no longer need because of unloaded queries
         }
         if (traceLevel)
             DBGLOG("DelayedReleaserThread %p exiting", this);