email customer with the follows : apologize for the late update as we have been investigating internally to find the correct action plan for their issue , after investigating we found Total 22620 tasks pending Out of which the oldest task is for object 8ec2aaa983b9a6d885fd0f4ebdde23204513c178bbf7ad3e902455a51f5225cc , some cleanup_jobs are blocked by OBCC marker We can see OBCC marker delay in majority of OB DTs where MAX_BT is far exceeding CC_BT, indicating possible replication issue for that we need their permission to enable DEBUG log for ReplicationChecker in /opt/storageos/conf/blobsvc-log4j2.xml this has no impact on the system