Add option to disable reverse splits.

1 files changed, 13 insertions, 0 deletions

diff --git a/src/main/java/com/amazon/carbonado/repo/sleepycat/BDBRepositoryBuilder.java b/src/main/java/com/amazon/carbonado/repo/sleepycat/BDBRepositoryBuilder.java
index 562572f..7605b30 100644
--- a/src/main/java/com/amazon/carbonado/repo/sleepycat/BDBRepositoryBuilder.java
+++ b/src/main/java/com/amazon/carbonado/repo/sleepycat/BDBRepositoryBuilder.java
@@ -98,6 +98,7 @@ public final class BDBRepositoryBuilder extends AbstractRepositoryBuilder {
     private boolean mTxnNoSync;

     private boolean mTxnWriteNoSync;

     private Boolean mDatabasesTransactional = null;

+    private boolean mReverseSplitOff;

     private Map<Class<?>, Integer> mDatabasePageSizes;

     private boolean mPrivate;

     private boolean mMultiversion;

@@ -571,6 +572,18 @@ public final class BDBRepositoryBuilder extends AbstractRepositoryBuilder {
     }

 

     /**

+     * Pass true to disable reverse split of B-tree nodes to reduce deadlocks.

+     * This setting has no effect for BDB-JE.

+     */

+    public void setReverseSplitOff(boolean off) {

+        mReverseSplitOff = off;

+    }

+

+    public boolean isReverseSplitOff() {

+        return mReverseSplitOff;

+    }

+

+    /**

      * Sets the desired page size for a given type. If not specified, the page

      * size applies to all types.

      */