HBASE-22415 HBOSS: changed log verbosity to debug on some lock colision cases

Signed-off-by: Biju Nair <gs.biju@gmail.com>
Signed-off-by: Sean Mackrory <mackrorysd@gmail.com>
Signed-off-by: Sean Busbey <busbey@apache.org>
diff --git a/hbase-oss/src/main/java/org/apache/hadoop/hbase/oss/sync/ZKTreeLockManager.java b/hbase-oss/src/main/java/org/apache/hadoop/hbase/oss/sync/ZKTreeLockManager.java
index b5009c9..d1f81ca 100644
--- a/hbase-oss/src/main/java/org/apache/hadoop/hbase/oss/sync/ZKTreeLockManager.java
+++ b/hbase-oss/src/main/java/org/apache/hadoop/hbase/oss/sync/ZKTreeLockManager.java
@@ -175,7 +175,7 @@
     while (!p.isRoot()) {
       p = p.getParent();
       if (isLocked(get(p).writeLock())) {
-        LOG.warn("Parent write lock currently held: {}", p);
+        LOG.debug("Parent write lock currently held: {}", p);
         return true;
       }
     }
@@ -246,7 +246,7 @@
             continue;
           }
           if (writeLockBelow(new Path(p, child), level+1, maxLevel)) {
-            LOG.warn("Parent write lock currently held: {}", p);
+            LOG.debug("Parent write lock currently held: {}", p);
             return true;
           }
         }
@@ -271,7 +271,7 @@
             continue;
           }
           if (readLockBelow(new Path(p, child), level+1, maxLevel)) {
-            LOG.warn("Child read lock currently held: {}", p);
+            LOG.debug("Child read lock currently held: {}", p);
             return true;
           }
         }