https://bugzilla.wikimedia.org/show_bug.cgi?id=67957
Bug ID: 67957
Summary: uneven distribution of client connections on backends
Product: Wikimedia
Version: wmf-deployment
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Stream
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Web browser: ---
Mobile Platform: ---
It appears that client connections are not load-balanced properly, resulting in
uneven load on the backends.
rcs1002:
instance rcs1002:10080: {"connected_clients": 1, "queue_size": 0}
instance rcs1002:10081: {"connected_clients": 0, "queue_size": 0}
instance rcs1002:10082: {"connected_clients": 1, "queue_size": 0}
instance rcs1002:10083: {"connected_clients": 0, "queue_size": 0}
instance rcs1002:10084: {"connected_clients": 0, "queue_size": 0}
instance rcs1002:10085: {"connected_clients": 1, "queue_size": 0}
instance rcs1002:10086: {"connected_clients": 0, "queue_size": 0}
instance rcs1002:10087: {"connected_clients": 13, "queue_size": 0}
instance rcs1002:10088: {"connected_clients": 92, "queue_size": 0}
instance rcs1002:10089: {"connected_clients": 0, "queue_size": 0}
instance rcs1002:10090: {"connected_clients": 0, "queue_size": 0}
instance rcs1002:10091: {"connected_clients": 1, "queue_size": 0}
instance rcs1002:10092: {"connected_clients": 93, "queue_size": 0}
instance rcs1002:10093: {"connected_clients": 0, "queue_size": 0}
instance rcs1002:10094: {"connected_clients": 0, "queue_size": 0}
instance rcs1002:10095: {"connected_clients": 1, "queue_size": 0}
instance rcs1002:10096: {"connected_clients": 1, "queue_size": 0}
instance rcs1002:10097: {"connected_clients": 0, "queue_size": 0}
instance rcs1002:10098: {"connected_clients": 1, "queue_size": 0}
rcs1001:
instance rcs1001:10080: {"connected_clients": 2, "queue_size": 0}
instance rcs1001:10081: {"connected_clients": 0, "queue_size": 0}
instance rcs1001:10082: {"connected_clients": 1, "queue_size": 0}
instance rcs1001:10083: {"connected_clients": 0, "queue_size": 0}
instance rcs1001:10084: {"connected_clients": 2, "queue_size": 0}
instance rcs1001:10085: {"connected_clients": 2, "queue_size": 0}
instance rcs1001:10086: {"connected_clients": 0, "queue_size": 0}
instance rcs1001:10087: {"connected_clients": 53, "queue_size": 0}
instance rcs1001:10088: {"connected_clients": 78, "queue_size": 0}
instance rcs1001:10089: {"connected_clients": 0, "queue_size": 0}
instance rcs1001:10090: {"connected_clients": 3, "queue_size": 0}
instance rcs1001:10091: {"connected_clients": 0, "queue_size": 0}
instance rcs1001:10092: {"connected_clients": 20, "queue_size": 0}
instance rcs1001:10093: {"connected_clients": 0, "queue_size": 0}
instance rcs1001:10094: {"connected_clients": 0, "queue_size": 0}
instance rcs1001:10095: {"connected_clients": 2, "queue_size": 0}
instance rcs1001:10096: {"connected_clients": 3, "queue_size": 0}
instance rcs1001:10097: {"connected_clients": 0, "queue_size": 0}
instance rcs1001:10098: {"connected_clients": 3, "queue_size": 0}
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