Branch: refs/heads/master Home: https://github.com/hibernate/hibernate-orm Commit: 991ff265dad6480ab2632d61964ae0c0c27b29b0 https://github.com/hibernate/hibernate-orm/commit/991ff265dad6480ab2632d6... Author: Stuart Douglas <stuart.w.douglas(a)gmail.com&gt; Date: 2015-11-12 (Thu, 12 Nov 2015) Changed paths: M hibernate-core/src/main/java/org/hibernate/engine/query/spi/HQLQueryPlan.java M hibernate-core/src/main/java/org/hibernate/engine/spi/ActionQueue.java M hibernate-core/src/main/java/org/hibernate/engine/spi/ExecutableList.java M hibernate-core/src/main/java/org/hibernate/event/internal/DefaultLoadEventListener.java M hibernate-core/src/main/java/org/hibernate/internal/AbstractSessionImpl.java Log Message: ----------- HHH-10279 - Memory usage improvements - * Don't allocate IdentityMap if it is not needed * Only allocate unresolved insertions if requied * Don't create a new string when creating a named query * Allocate querySpaces lazily * Remove executableLists from ActionQueue * Allocate ExecutableList instances lazily * Lazily allocate the transaction commit task lists * Don't allocate a new EntityKey