Hi, see many of this in cluster log channel. many are blocked with long period of seconds. It should hurt client access performance. Any ideas to get rid of them? Thanks, Ben --------------------------------- 7/7/23 4:48:50 PM [WRN] Health check update: 8 MDSs report slow metadata IOs (MDS_SLOW_METADATA_IO) 7/7/23 4:48:09 PM [WRN] Health check update: 7 MDSs report slow metadata IOs (MDS_SLOW_METADATA_IO) 7/7/23 4:48:09 PM [INF] MDS health message cleared (mds.?): 100+ slow metadata IOs are blocked > 30 secs, oldest blocked for 559 secs 7/7/23 4:47:47 PM [WRN] Health check update: 8 MDSs report slow metadata IOs (MDS_SLOW_METADATA_IO) 7/7/23 4:47:11 PM [WRN] Health check update: 7 MDSs report slow metadata IOs (MDS_SLOW_METADATA_IO) 7/7/23 4:47:10 PM [INF] MDS health message cleared (mds.?): 100+ slow metadata IOs are blocked > 30 secs, oldest blocked for 377 secs 7/7/23 4:46:22 PM [WRN] Health check update: 8 MDSs report slow metadata IOs (MDS_SLOW_METADATA_IO) 7/7/23 4:46:12 PM [WRN] Health check update: 7 MDSs report slow metadata IOs (MDS_SLOW_METADATA_IO) 7/7/23 4:45:40 PM [WRN] Health check update: 6 MDSs report slow metadata IOs (MDS_SLOW_METADATA_IO) 7/7/23 4:45:40 PM [INF] MDS health message cleared (mds.?): 100+ slow metadata IOs are blocked > 30 secs, oldest blocked for 199 secs 7/7/23 4:45:12 PM [WRN] Health check update: 7 MDSs report slow metadata IOs (MDS_SLOW_METADATA_IO) 7/7/23 4:45:07 PM [WRN] Health check update: 6 MDSs report slow metadata IOs (MDS_SLOW_METADATA_IO) 7/7/23 4:44:58 PM [INF] MDS health message cleared (mds.?): 100+ slow metadata IOs are blocked > 30 secs, oldest blocked for 565 secs 7/7/23 4:44:58 PM [WRN] Health check update: 7 MDSs report slow metadata IOs (MDS_SLOW_METADATA_IO)