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Hi all, i have been trying to send this to the dev mailing list, but the mail was rejected! for what ever reason, though i am subscribed. any one facing this issue with the dev list? i thought it is related to the dev the most since i was digging inside the code for a wile now. never the less, I have noticed if there are some clients misbehaving it will effect the whole cluster, causing blocked requests and slowing down every thing. particularly when a client is having a network related issue, like a congested network or a faulty optic. so i am trying to track the clients on our cluster. any good method of locating/listing all the currently connected clients? and, i am trying to find the clients from there requests, i have been through the source code for the past couple of days but could not find what i wanted. the dump operations, e.g. from running (ceph daemon osd.xxx dump_historic_ops), gives me something like: (running ceph v0.94.2) "description": "osd_op(client.36076101.0:62833746 default.36046497.2__shadow_2092280179.2~MFtK8tZp8-UmvkM0qbVkf6B4xQbLT-p.50_1 [] 108.f7ba6ce0 ack+ondisk+write+known_if_redirected e331887)", "initiated_at": "2015-12-05 15:26:08.159832", "age": 465.722853, "duration": 1.256738, "type_data": [ "commit sent; apply or cleanup", { "client": "client.36076101", "tid": 62833746 }, . . . . { "time": "2015-12-05 15:26:09.416570", "event": "done" } ] ] }, the only peace of info that it might be useful (i assumed) is the description, i can see the client id in it (client.36076101.0:62833746, it is the client id, right?) but could not understand from where it comes. my head was spinning inside the source, though its the first time i go there ;). first i thought it is related to the client ip or something, but could not confirm that. any one have a clue whether this can get me somewhere? any other ideas are appreciated. thanks Ali |
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