Add option to keep old transaction log files.

2 files changed, 21 insertions, 0 deletions

diff --git a/src/main/java/com/amazon/carbonado/repo/sleepycat/BDBRepository.java b/src/main/java/com/amazon/carbonado/repo/sleepycat/BDBRepository.java
index 28fc347..dabb4fb 100644
--- a/src/main/java/com/amazon/carbonado/repo/sleepycat/BDBRepository.java
+++ b/src/main/java/com/amazon/carbonado/repo/sleepycat/BDBRepository.java
@@ -112,6 +112,7 @@ abstract class BDBRepository<Txn> extends AbstractRepository<Txn>
     private final Map<Class<?>, Integer> mDatabasePageSizes;

 

     final boolean mRunCheckpointer;

+    final boolean mKeepOldLogFiles;

     final boolean mRunDeadlockDetector;

 

     final File mDataHome;

@@ -155,6 +156,7 @@ abstract class BDBRepository<Txn> extends AbstractRepository<Txn>
         mTxnMgr = new BDBTransactionManager<Txn>(mExTransformer, this);

 

         mRunCheckpointer = !builder.getReadOnly() && builder.getRunCheckpointer();

+        mKeepOldLogFiles = builder.getKeepOldLogFiles();

         mRunDeadlockDetector = builder.getRunDeadlockDetector();

         mStorableCodecFactory = builder.getStorableCodecFactory();

         mPreShutdownHook = builder.getPreShutdownHook();

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 0beea65..f3c80ae 100644
--- a/src/main/java/com/amazon/carbonado/repo/sleepycat/BDBRepositoryBuilder.java
+++ b/src/main/java/com/amazon/carbonado/repo/sleepycat/BDBRepositoryBuilder.java
@@ -108,6 +108,7 @@ public class BDBRepositoryBuilder extends AbstractRepositoryBuilder {
     private int mCheckpointInterval = DEFAULT_CHECKPOINT_INTERVAL;

     private int mCheckpointThresholdKB = 1024;

     private int mCheckpointThresholdMinutes = 5;

+    private boolean mKeepOldLogFiles;

     private boolean mRunDeadlockDetector = true;

     private Boolean mChecksumEnabled;

     private Object mInitialEnvConfig = null;

@@ -742,6 +743,24 @@ public class BDBRepositoryBuilder extends AbstractRepositoryBuilder {
     }

 

     /**

+     * By default, transaction log files are deleted when no longer needed.

+     * Keeping log files can be used for incremental backups or for diagnosing

+     * problems. If using BDB-JE, old log files are renamed with a ".del"

+     * extension. If using BDB-core, the db_archive utility is required for

+     * identifying old log files.

+     */

+    public void setKeepOldLogFiles(boolean keep) {

+        mKeepOldLogFiles = keep;

+    }

+

+    /**

+     * Returns false by default.

+     */

+    public boolean getKeepOldLogFiles() {

+        return mKeepOldLogFiles;

+    }

+

+    /**

      * Disable automatic deadlock detection of database if another thread is

      * responsible for that.

      */