diff --git a/benchmarks/berkeleyDB/Makefile.am b/benchmarks/berkeleyDB/Makefile.am
index e25448b..bd6ea46 100644
--- a/benchmarks/berkeleyDB/Makefile.am
+++ b/benchmarks/berkeleyDB/Makefile.am
@@ -1,3 +1,3 @@
-LDADD=-ldb -lpthread
+LDADD=-lpthread
 bin_PROGRAMS=transapp bdbRaw bdbHash bdbHashThreaded bdbHashWriteRequests
 AM_CFLAGS=-g
diff --git a/lladd/consumer.h b/lladd/consumer.h
index a400b43..cbeefa7 100644
--- a/lladd/consumer.h
+++ b/lladd/consumer.h
@@ -3,9 +3,10 @@
 #ifndef __CONSUMER_H
 #define __ITERATOR_H
 
-#define MAX_ITERATOR_TYPES 10
-#define FIFO_CONSUMER       0
-#define ARRAY_CONSUMER      1
+#define MAX_ITERATOR_TYPES  10
+#define FIFO_CONSUMER        0
+#define ARRAY_CONSUMER       1
+#define LOG_MEMORY_CONSUMER  2
 
 typedef struct {
   int foo;
@@ -22,8 +23,7 @@ void consumer_init();
 void Tconsumer_close(int xid, lladdConsumer_t * it);
 /**
    
-   @param xid Transaction id
-   @param it  The consumer
+   @param xid Transaction id @param it  The consumer
    @param key Can be null if there is no key.
    @param value Can be null if there is no value, but both can't be null.  (Or can they???)
    
@@ -37,4 +37,4 @@ int Tconsumer_push(int xid, lladdConsumer_t * it, byte * key, size_t keySize, by
 */
 //int Tconsumer_tryPush(int xid, ....);
 
-#endif
+#endif // __CONSUMER_H
diff --git a/lladd/iterator.h b/lladd/iterator.h
index 0944fa8..591ead8 100644
--- a/lladd/iterator.h
+++ b/lladd/iterator.h
@@ -6,6 +6,7 @@
 #define MAX_ITERATOR_TYPES 10
 #define LINEAR_HASH_NTA_ITERATOR 0
 #define ARRAY_ITERATOR           1
+#define LOG_MEMORY_ITERATOR      2
 
 typedef struct { 
   //  void * new(void * arg);
@@ -13,6 +14,7 @@ typedef struct {
   int  (*next) (int xid, void * it);
   int  (*key)  (int xid, void * it, byte ** key);
   int  (*value)(int xid, void * it, byte ** value);
+  int  (*releaseTuple)(int xid, void * it);
 } lladdIterator_def_t;
 
 typedef struct { 
@@ -38,6 +40,14 @@ void Titerator_close(int xid, lladdIterator_t * it);
 */
 int Titerator_next(int xid, lladdIterator_t * it);
 
+/**
+ NOTE: next  acquires a mutex, releaseTuple releases mutex,
+       next key value --atomic
+       provides , allows iterator to clean up if necessary
+                                                 > such as release lock
+*/
+int  (*releaseTuple)(int xid, void * it);
+
 /** 
     This function allows the caller to access the current iterator
     position.  When an iterator is initialized, it is in the 'null'
diff --git a/m4/db.m4 b/m4/db.m4
index 8a1fd6b..9709c0c 100644
--- a/m4/db.m4
+++ b/m4/db.m4
@@ -96,7 +96,7 @@ AC_DEFUN([AC_FIND_DB], [
     if test ! x"$ac_dbdir" = x"yes" ; then
         ac_dbincdirs=$ac_dbdir/include
     else
-        ac_dbincdirs="/usr/include /usr/local/include/db4"
+        ac_dbincdirs="/usr/include /usr/local/include/db4 /usr/local/include/db42"
         ac_dbincdirs="$ac_dbincdirs /usr/include/db$ac_dbver"
         ac_dbincdirs="$ac_dbincdirs /usr/local/BerkeleyDB.$ac_dbver/include"
     fi
@@ -104,7 +104,7 @@ AC_DEFUN([AC_FIND_DB], [
     if test ! x"$ac_dbdir" = x"yes" ; then
         ac_dblibdirs="$ac_dbdir/lib"
     else
-        ac_dblibdirs="/usr/lib /usr/local/lib"
+        ac_dblibdirs="/usr/lib /usr/local/lib /usr/local/lib/db42"
         ac_dblibdirs="$ac_dblibdirs /usr/local/BerkeleyDB.$ac_dbver/lib"
     fi
 
diff --git a/src/lladd/Makefile.am b/src/lladd/Makefile.am
index dcee269..b14ecb5 100644
--- a/src/lladd/Makefile.am
+++ b/src/lladd/Makefile.am
@@ -5,7 +5,7 @@ lib_LIBRARIES=liblladd.a
 # removed: recovery.c transactional.c logger.c logger/logparser.c logger/logstreamer.c
 liblladd_a_SOURCES=crc32.c common.c stats.c io.c bufferManager.c linkedlist.c operations.c \
                    pageFile.c pageCache.c page.c blobManager.c recovery2.c transactional2.c \
-		   lockManager.c iterator.c arrayCollection.c \
+		   lockManager.c iterator.c arrayCollection.c ringbuffer.c \
 	           logger/logEntry.c logger/logWriter.c logger/logHandle.c logger/logger2.c \
 		   logger/logMemory.c multiplexer.c\
 		   page/slotted.c page/header.c page/fixed.c  compensations.c \
@@ -16,5 +16,7 @@ liblladd_a_SOURCES=crc32.c common.c stats.c io.c bufferManager.c linkedlist.c op
 		   operations/naiveLinearHash.c operations/nestedTopActions.c \
 		   operations/linearHashNTA.c operations/linkedListNTA.c \
 		   operations/pageOrientedListNTA.c
+
+#		   logger/logMemory.c \ ringbuffer.c \   asdfas
 #operations/lladdhash.c 
 AM_CFLAGS= -g -Wall -pedantic -std=gnu99
diff --git a/src/lladd/blobManager.c b/src/lladd/blobManager.c
index ff1ec71..f3c39c3 100644
--- a/src/lladd/blobManager.c
+++ b/src/lladd/blobManager.c
@@ -287,7 +287,7 @@ void allocBlob(int xid, Page * p, lsn_t lsn, recordid rid) {
   fdatasync(fileno(blobf0));
   fdatasync(fileno(blobf1));
 #else
-#warn Not using fdatasync
+//#warn Not using fdatasync
   fsync(fileno(blobf0));
   fsync(fileno(blobf1));
 #endif
@@ -434,7 +434,7 @@ void writeBlob(int xid, Page * p, lsn_t lsn, recordid rid, const void * buf) {
 #ifdef HAVE_FDATASYNC
   fdatasync(fileno(fd));
 #else
-#warn Not using fdatasync()
+//#warn Not using fdatasync()
   fsync(fileno(fd));
 #endif
 
diff --git a/src/lladd/page.c b/src/lladd/page.c
index 57d6651..5bcc74f 100644
--- a/src/lladd/page.c
+++ b/src/lladd/page.c
@@ -163,7 +163,7 @@ void pageInit() {
     int ret = posix_memalign((void*)(&(pool[i].memAddr)), PAGE_SIZE, PAGE_SIZE);
     assert(!ret);
 #else
-#warn Not using posix_memalign
+//#warn Not using posix_memalign
     pool[i].memAddr = malloc(PAGE_SIZE);
     assert(pool[i].memAddr);
 #endif
diff --git a/src/lladd/pageFile.c b/src/lladd/pageFile.c
index 4939de4..927e9fd 100644
--- a/src/lladd/pageFile.c
+++ b/src/lladd/pageFile.c
@@ -133,7 +133,7 @@ void openPageFile() {
   // O_DIRECT is broken under linux 2.4.. 
   stable = open (STORE_FILE, O_CREAT | O_RDWR /*| O_DIRECT*/, S_IRWXU | S_IRWXG | S_IRWXO);
 #else
-#warn Not using O_DIRECT
+//#warn Not using O_DIRECT
   // If we don't have posix_memalign(), then we aren't aligning our pages in memory, and can't use O_DIRECT.
   stable = open (STORE_FILE, O_CREAT | O_RDWR, S_IRWXU | S_IRWXG | S_IRWXO);
 #endif