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Show oldest stream message timestamp in management UI #15412

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Show oldest stream message timestamp in management UI #15412

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3 changes: 2 additions & 1 deletion deps/rabbit/src/rabbit_osiris_metrics.erl
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,8 @@
memory,
readers,
consumers,
segments
segments,
first_timestamp
]).

-record(state, {timeout :: non_neg_integer()}).
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10 changes: 9 additions & 1 deletion deps/rabbit/src/rabbit_stream_queue.erl
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Original file line number Diff line number Diff line change
Expand Up @@ -75,7 +75,7 @@
-define(INFO_KEYS, [name, durable, auto_delete, arguments, leader, members, online, state,
messages, messages_ready, messages_unacknowledged, committed_offset,
policy, operator_policy, effective_policy_definition, type, memory,
consumers, segments, committed_chunk_id]).
consumers, segments, committed_chunk_id, first_timestamp]).

-define(UNMATCHED_THRESHOLD, 200).

Expand Down Expand Up @@ -825,6 +825,14 @@ i(segments = F, Q) ->
_ ->
''
end;
i(first_timestamp = F, Q) ->
Key = {osiris_writer, amqqueue:get_name(Q)},
case osiris_counters:counters(Key, [F]) of
#{F := V} ->
V;
_ ->
''
end;
i(policy, Q) ->
case rabbit_policy:name(Q) of
none -> '';
Expand Down
6 changes: 6 additions & 0 deletions deps/rabbitmq_management/priv/www/js/formatters.js
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Expand Up @@ -92,10 +92,16 @@ function fmt_date0(d) {
}

function fmt_timestamp(ts) {
if (ts == undefined) {
return UNKNOWN_REPR;
}
return fmt_date(new Date(ts));
}

function fmt_timestamp_mini(ts) {
if (ts == undefined) {
return UNKNOWN_REPR;
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@the-mikedavis the-mikedavis Feb 6, 2026

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These changes show the dimmed "?" when the page is waiting for data to arrive. Otherwise these fmts would show "NaN-NaN-NaN"

}
return fmt_date_mini(new Date(ts));
}

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6 changes: 5 additions & 1 deletion deps/rabbitmq_management/priv/www/js/tmpl/stream-queue-stats.ejs
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Expand Up @@ -28,6 +28,10 @@
<th>Segments</th>
<td><%= fmt_string(queue.segments) %></td>
</tr>
<tr>
<th>Oldest message</th>
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@the-mikedavis the-mikedavis Feb 6, 2026

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"Oldest message" ? "First timestamp" ? I'm not attached to the phrasing here

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@michaelklishin michaelklishin Feb 6, 2026

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"Oldest" is unambiguous while "first" can be interpreted as the head or the tail, so I'd use "oldest" personally.

<td><%= fmt_timestamp_mini(queue.first_timestamp) %></td>
</tr>
</table>

<table class="facts">
Expand All @@ -53,4 +57,4 @@
</th>
<td class="r"><%= fmt_bytes(queue.memory) %></td>
</tr>
</table>
</table>
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