Hi, I haven't really see much about this kind of event in ceph KB: "event": "header_read", "time": "2025-02-18T14:20:00.610389+0700", "duration": 4294967295.999999 However we have huge latencies caused by this operation: "description": "osd_repop(client.3694832962.0:140533664 26.561 e748587/706771 26:86be7203:::.dir.9213182a-14ba-48ad-bde9-289a1c0c0de8.3654639937.1.43:head v 748587'789007122, mlcod=748587'789007120)", "initiated_at": "2025-02-18T14:20:00.610390+0700", "age": 87.067761466999997, "duration": 0.035560873999999999, "type_data": { "flag_point": "commit sent; apply or cleanup", "events": [ { "event": "initiated", "time": "2025-02-18T14:20:00.610390+0700", "duration": 0 }, { "event": "throttled", "time": "2025-02-18T14:20:00.610390+0700", "duration": 0 }, { "event": "header_read", "time": "2025-02-18T14:20:00.610389+0700", "duration": 4294967295.999999 }, { "event": "all_read", "time": "2025-02-18T14:20:00.610402+0700", "duration": 1.3264e-05 }, { "event": "dispatched", "time": "2025-02-18T14:20:00.610405+0700", "duration": 2.3549999999999999e-06 }, { "event": "queued_for_pg", "time": "2025-02-18T14:20:00.610409+0700", "duration": 3.8770000000000003e-06 }, { "event": "reached_pg", "time": "2025-02-18T14:20:00.610429+0700", "duration": 2.0027e-05 }, { "event": "started", "time": "2025-02-18T14:20:00.610438+0700", "duration": 9.8290000000000003e-06 }, { "event": "commit_sent", "time": "2025-02-18T14:20:00.645931+0700", "duration": 0.035492616999999997 }, { "event": "done", "time": "2025-02-18T14:20:00.645951+0700", "duration": 2.0007e-05 } Is there a way to track it down what does this mean? Thanks ________________________________ This message is confidential and is for the sole use of the intended recipient(s). It may also be privileged or otherwise protected by copyright or other legal rules. If you have received it by mistake please let us know by reply email and delete it from your system. It is prohibited to copy this message or disclose its content to anyone. Any confidentiality or privilege is not waived or lost by any mistaken delivery or unauthorized disclosure of the message. All messages sent to and from Agoda may be monitored to ensure compliance with company policies, to protect the company's interests and to remove potential malware. Electronic messages may be intercepted, amended, lost or deleted, or contain viruses.