call system.gc after a query completes

uwescience · Feb 28, 2017 · be47687 · be47687
1 parent c50dbd8
commit be47687
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/edu/washington/escience/myria/parallel/QueryManager.java b/src/edu/washington/escience/myria/parallel/QueryManager.java
@@ -123,6 +123,8 @@ private void finishQuery(final Query queryState) throws DbException {
       throw new DbException("Error finishing query " + queryState.getQueryId(), e);
     } finally {
       runningQueries.remove(queryState.getQueryId());
+      /* Clean myself to provide a fresh start to the next query. */
+      System.gc();
 
       /* See if we can submit a new query. */
       if (!runningQueries.isEmpty()) {