[HDFS-10528] Add logging to successful standby checkpointing

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.1.0
• Component/s: namenode
• Hadoop Flags: Reviewed
• Assignee: Xiaoyu Yao
• Reporter: Xiaoyu Yao
• Created: 14/Jun/16 23:08
• Updated: 04/Nov/17 04:23
• Resolved: 04/Nov/17 03:35

Description

This ticket is opened to add INFO log for a successful standby checkpointing in the code below for troubleshooting.

if (needCheckpoint) {
            doCheckpoint();
            // reset needRollbackCheckpoint to false only when we finish a ckpt
            // for rollback image
            if (needRollbackCheckpoint
                && namesystem.getFSImage().hasRollbackFSImage()) {
              namesystem.setCreatedRollbackImages(true);
              namesystem.setNeedRollbackFsImage(false);
            }
            lastCheckpointTime = now;
          }
        } catch (SaveNamespaceCancelledException ce) {