Index: oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/blob/datastore/DataStoreBlobStore.java
===================================================================
--- oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/blob/datastore/DataStoreBlobStore.java	(revision 1615869)
+++ oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/blob/datastore/DataStoreBlobStore.java	(working copy)
@@ -381,10 +381,9 @@
                 DataRecord dataRecord = delegate.getRecord(identifier);
                 boolean success = (maxLastModifiedTime <= 0)
                         || dataRecord.getLastModified() <= maxLastModifiedTime;
-                if (!success) {
-                    return false;
+                if (success) {
+                    ((MultiDataStoreAware) delegate).deleteRecord(identifier);
                 }
-                ((MultiDataStoreAware) delegate).deleteRecord(identifier);
             }
         }
         return true;
Index: oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/blob/MarkSweepGarbageCollector.java
===================================================================
--- oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/blob/MarkSweepGarbageCollector.java	(revision 1615869)
+++ oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/blob/MarkSweepGarbageCollector.java	(working copy)
@@ -289,8 +289,10 @@
             IOUtils.closeQuietly(writer);
         }
         if(!exceptionQueue.isEmpty()) {
-            LOG.warn("Unable to delete some blob entries from the blob store. Details around such blob entries " +
-                    "can be found in [{}]", fs.getGarbage().getAbsolutePath());
+            LOG.warn("Unable to delete some blob entries from the blob store. " + 
+                    "This may happen if the blob modified time is greater than the configured maxLastModifiedInterval ({}). " + 
+                    "Details around such blob entries " +
+                    "can be found in [{}]", maxLastModifiedInterval, fs.getGarbage().getAbsolutePath());
         }
         LOG.debug("Ending sweep phase of the garbage collector");
         return count;
@@ -336,9 +338,11 @@
         public void run() {
             try {
                 LOG.debug("Blob ids to be deleted {}", ids);
-                boolean deleted = blobStore.deleteChunks(ids,getLastMaxModifiedTime());
+                boolean deleted = blobStore.deleteChunks(ids, getLastMaxModifiedTime());
                 if (!deleted) {
-                    exceptionQueue.addAll(ids);
+                    // Only log and do not add to exception queue since some blobs may not match the
+                    // lastMaxModifiedTime criteria.
+                    LOG.debug("Some blobs were not deleted from the batch : [{}]", ids);
                 }
             } catch (Exception e) {
                 LOG.warn("Error occurred while deleting blob with ids [{}]", ids, e);
@@ -415,7 +419,7 @@
             try {
                 bufferWriter = new BufferedWriter(
                         new FileWriter(fs.getAvailableRefs()));
-                Iterator<String> idsIter = blobStore.getAllChunkIds(getLastMaxModifiedTime());
+                Iterator<String> idsIter = blobStore.getAllChunkIds(0);
                 List<String> ids = Lists.newArrayList();
 
                 while (idsIter.hasNext()) {
@@ -434,8 +438,7 @@
 
                 // sort the file
                 fs.sort(fs.getAvailableRefs());
-                LOG.debug("Number of blobs present in BlobStore : [{}] which have " +
-                        "been last modified before [{}]", blobsCount, timestampToString(getLastMaxModifiedTime()));
+                LOG.debug("Number of blobs present in BlobStore : [{}] ", blobsCount);
             } finally {
                 IOUtils.closeQuietly(bufferWriter);
             }