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sijie pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/bookkeeper.git


The following commit(s) were added to refs/heads/master by this push:
     new 95ee608  AbstractZkLedgerManager: wrap Log.debug in an isDebugEnabled 
check
95ee608 is described below

commit 95ee60872ae6a47996dc3215ef911ce375458a72
Author: Samuel Just <[email protected]>
AuthorDate: Thu Dec 21 21:54:25 2017 -0800

    AbstractZkLedgerManager: wrap Log.debug in an isDebugEnabled check
    
    Signed-off-by: Samuel Just <sjustsalesforce.com>
    
    Author: Samuel Just <[email protected]>
    
    Reviewers: Sijie Guo <[email protected]>
    
    This closes #908 from athanatos/forupstream/small-fixes-1/zklm-debug
---
 .../main/java/org/apache/bookkeeper/meta/AbstractZkLedgerManager.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git 
a/bookkeeper-server/src/main/java/org/apache/bookkeeper/meta/AbstractZkLedgerManager.java
 
b/bookkeeper-server/src/main/java/org/apache/bookkeeper/meta/AbstractZkLedgerManager.java
index f5d8e7f..09c7a39 100644
--- 
a/bookkeeper-server/src/main/java/org/apache/bookkeeper/meta/AbstractZkLedgerManager.java
+++ 
b/bookkeeper-server/src/main/java/org/apache/bookkeeper/meta/AbstractZkLedgerManager.java
@@ -322,7 +322,9 @@ abstract class AbstractZkLedgerManager implements 
LedgerManager, Watcher {
     @Override
     public void registerLedgerMetadataListener(long ledgerId, 
LedgerMetadataListener listener) {
         if (null != listener) {
-            LOG.debug("Registered ledger metadata listener {} on ledger {}.", 
listener, ledgerId);
+            if (LOG.isDebugEnabled()) {
+                LOG.debug("Registered ledger metadata listener {} on ledger 
{}.", listener, ledgerId);
+            }
             Set<LedgerMetadataListener> listenerSet = listeners.get(ledgerId);
             if (listenerSet == null) {
                 Set<LedgerMetadataListener> newListenerSet = new 
HashSet<LedgerMetadataListener>();

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