Input output traffic stats and command process count for each client. #327
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Signed-off-by: Chen Tianjie <TJ_Chen@outlook.com>
madolson
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Apr 17, 2024
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@valkey-io/core-team Please 👍 and 👎 for this since it's a major issue. |
Signed-off-by: Chen Tianjie <TJ_Chen@outlook.com>
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Signed-off-by: Chen Tianjie <TJ_Chen@outlook.com>
Signed-off-by: Chen Tianjie <TJ_Chen@outlook.com>
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Signed-off-by: Chen Tianjie <TJ_Chen@outlook.com>
Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## unstable #327 +/- ##
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Coverage ? 68.40%
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Files ? 108
Lines ? 61571
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Hits ? 42118
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OK, besides the one comment about |
Signed-off-by: Chen Tianjie <TJ_Chen@outlook.com>
Signed-off-by: Chen Tianjie <TJ_Chen@outlook.com>
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@madolson Any more comments? I think this PR is ready to merge. |
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Corresponding doc PR to valkey-io/valkey#327. * `tot-net-in`: Total network input bytes read from this client. Added in Valkey 8.0 * `tot-net-out`: Total network output bytes sent to this client. Added in Valkey 8.0 * `tot-cmds`: Total count of commands this client executed. Added in Valkey 8.0 --------- Signed-off-by: Chen Tianjie <TJ_Chen@outlook.com>
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We already have global stats for input traffic, output traffic and how many commands have been executed.
However, some users have the difficulty of locating the IP(s) which have heavy network traffic. So here some stats for single client are introduced.
These three stats are shown in
CLIENT LISTandCLIENT INFO.Though the metrics are handled in hot paths of the code, personally I don't think it will slow down the server. Considering all other complex operations handled nearby, this is only a small and simple operation.
However we do need to be cautious when adding more and more metrics, as discussed in redis/redis#12640, we may need to find a way to tell whether this has obvious performance degradation.