RobertsLab · sr320 · Oct 3, 2026 · Oct 3, 2026
diff --git a/docs/Computing-Hardware.md b/docs/Computing-Hardware.md
@@ -17,7 +17,7 @@ Below is a list of computing resources we have available, as well as some links
       <td><code>raven.fish.washington.edu</code></td>
       <td class="ss-state"><span class="ss-dot ss-unknown"></span><span class="ss-label">checking…</span></td>
       <td class="ss-time">—</td>
-      <td><a href="#raven-disk-cpu">disk / CPU below</a> · <a href="../Raven-Dashboard/">dashboard</a></td>
+      <td><a href="#raven-disk-cpu">disk / CPU below</a></td>
     </tr>
     <tr data-host="gannet">
       <td><code>gannet.fish.washington.edu</code></td>
@@ -52,7 +52,9 @@ Checks run automatically — the timestamp shows when each host was last reached
   </tbody>
 </table>
 
-This comes from a [daily snapshot](https://gannet.fish.washington.edu/v1_web/owlshell/bu-github/ghr.log) (`df` plus CPU load) that raven writes to gannet each morning around 7am, not from the live network check above — so it can be up to a day old, and it is flagged if the snapshot itself goes stale. Drives are listed fullest first. See the **[Raven Dashboard](Raven-Dashboard.md)** for CPU and memory history and who is using raven.
+<div data-raven-history data-status-base="https://raw.githubusercontent.com/RobertsLab/resources/server-status/status"></div>
+
+This comes from a [daily snapshot](https://gannet.fish.washington.edu/v1_web/owlshell/bu-github/ghr.log) (`df` plus CPU load) that raven writes to gannet each morning around 7am, not from the live network check above — so it can be up to a day old, and it is flagged if the snapshot itself goes stale. Drives are listed fullest first. Open **Usage history** below the table for CPU and memory over time and who is using raven (the top 5 accounts by CPU, the **Winners** list, each day). Raven keeps only its latest snapshot, so that history is collected by the status probers one day at a time.
 
 ### Gannet Health
 

diff --git a/docs/Raven-Dashboard.md b/docs/Raven-Dashboard.md
diff --git a/docs/javascripts/raven-dashboard.js → docs/javascripts/raven-history.js b/docs/javascripts/raven-dashboard.js → docs/javascripts/raven-history.js
@@ -1,24 +1,23 @@
 /*
- * Raven Dashboard ([data-raven-dashboard] on docs/Raven-Dashboard.md).
+ * Raven usage history: a collapsible "Usage history" section under the Raven
+ * Disk / CPU table on Computing Hardware ([data-raven-history]), matching the
+ * one under Klone Allocation.
  *
  * Two inputs, both on the server-status branch (see scripts/README.md):
  *
  *   internal.json / external.json  doc.raven_stats, the latest parsed ghr.log
- *                                  snapshot (disks, CPU, memory, Winners,
- *                                  top memory processes).
+ *                                  snapshot (for the latest Winners table).
  *   raven_history.json             one entry per day, accumulated by the
  *                                  probers, since raven keeps no dated
  *                                  copies of ghr.log.
  *
- * Every number here is a single sample taken when raven's cron runs each
+ * Every number is a single sample taken when raven's cron runs each
  * morning, not a daily average.
  */
 (function () {
   "use strict";
 
-  var STALE_MS = 30 * 60 * 60 * 1000;
   var SOURCES = ["internal.json", "external.json"];
-  var LOG_URL = "https://gannet.fish.washington.edu/v1_web/owlshell/bu-github/ghr.log";
   var SVG_NS = "http://www.w3.org/2000/svg";
   // Service accounts that show up in ps but are not people running jobs.
   var SYSTEM_USERS = ["root", "mysql", "rstudio+", "systemd+", "message+", "syslog", "daemon"];
@@ -46,15 +45,6 @@
     return best;
   }
 
-  function relativeTime(then, now) {
-    var mins = Math.round((now - then) / 60000);
-    if (mins < 60) return mins + " min ago";
-    var hrs = Math.round(mins / 60);
-    if (hrs < 24) return hrs + " hr ago";
-    var days = Math.round(hrs / 24);
-    return days === 1 ? "1 day ago" : days + " days ago";
-  }
-
   function el(tag, className, text) {
     var node = document.createElement(tag);
     if (className) node.className = className;
@@ -68,21 +58,6 @@
     return node;
   }
 
-  function section(root, title) {
-    var s = el("section", "gh-section");
-    s.appendChild(el("h2", null, title));
-    root.appendChild(s);
-    return s;
-  }
-
-  function tile(label, value, sub, cls) {
-    var t = el("div", "gh-tile " + (cls || ""));
-    t.appendChild(el("div", "gh-tile-label", label));
-    t.appendChild(el("div", "gh-tile-value", value));
-    if (sub) t.appendChild(el("div", "gh-tile-sub", sub));
-    return t;
-  }
-
   function table(headers, rows) {
     var t = el("table");
     var thead = el("thead");
@@ -93,32 +68,13 @@
     var tbody = el("tbody");
     rows.forEach(function (cells) {
       var r = el("tr");
-      cells.forEach(function (c) {
-        r.appendChild(c instanceof Node ? c : el("td", null, c == null ? "—" : String(c)));
-      });
+      cells.forEach(function (c) { r.appendChild(el("td", null, c)); });
       tbody.appendChild(r);
     });
     t.appendChild(tbody);
     return t;
   }
 
-  function fullnessClass(pct) {
-    if (pct >= 90) return "ss-disk-critical";
-    if (pct >= 75) return "ss-disk-warn";
-    return "";
-  }
-
-  function barCell(pct) {
-    var td = el("td", "ss-disk-pct " + fullnessClass(pct));
-    var bar = el("span", "ss-bar");
-    var fill = el("span", "ss-bar-fill");
-    fill.style.width = Math.min(pct, 100) + "%";
-    bar.appendChild(fill);
-    td.appendChild(bar);
-    td.appendChild(el("span", "ss-bar-label", pct + "%"));
-    return td;
-  }
-
   function isSystem(user) {
     return SYSTEM_USERS.indexOf(user) !== -1;
   }
@@ -210,62 +166,15 @@
     return chart;
   }
 
-  function historyNote(history) {
-    return note(
-      history.length < 2
-        ? "History started on " + (history[0] ? history[0].date : "—") +
-          " and fills in one day at a time. Hover a point for its value."
-        : history.length + " daily snapshots, " + history[0].date + " to " +
-          history[history.length - 1].date + ". Hover a point for its value."
-    );
-  }
-
-  function paint(root, stats, history, now) {
-    root.innerHTML = "";
+  function paint(container, stats, history) {
+    container.innerHTML = "";
     var charts = window.RobertsLabCharts;
-    history = history || [];
-
-    if (!stats && !history.length) {
-      root.appendChild(el("p", null, "No raven snapshot available yet."));
-      return;
-    }
-
-    if (stats) {
-      var stale = now - stats.generatedAt > STALE_MS;
-      var head = el("p", "ss-raven-meta" + (stale ? " ss-stats-stale" : ""));
-      head.appendChild(
-        document.createTextNode(
-          "Snapshot from " + new Date(stats.generatedAt).toLocaleString() +
-            " (" + relativeTime(stats.generatedAt, now) + ")" +
-            (stale ? " · stale — the snapshot cron on raven may have stopped" : "") +
-            " · "
-        )
-      );
-      var raw = el("a", null, "raw log");
-      raw.href = LOG_URL;
-      head.appendChild(raw);
-      root.appendChild(head);
+    if (!history.length) return;
 
-      var tiles = el("div", "gh-tiles");
-      tiles.appendChild(tile("CPU in use", stats.cpu_percent != null ? stats.cpu_percent + "%" : "—", "all cores"));
-      tiles.appendChild(tile("Memory in use", stats.memory_percent != null ? stats.memory_percent + "%" : "—", "of RAM"));
-      var disks = (stats.disks || []).slice().sort(function (a, b) { return b.use_percent - a.use_percent; });
-      if (disks[0]) {
-        var c = fullnessClass(disks[0].use_percent);
-        tiles.appendChild(
-          tile("Fullest drive", disks[0].use_percent + "% full", disks[0].mount + " · " + disks[0].available + " free",
-               c === "ss-disk-critical" ? "gh-critical" : c === "ss-disk-warn" ? "gh-warning" : "")
-        );
-      }
-      var people = (stats.winners || []).filter(function (w) { return !isSystem(w.user); });
-      tiles.appendChild(
-        tile("Top user", people[0] ? people[0].user : "—", people[0] ? people[0].cpu + "% CPU" : "no user jobs")
-      );
-      root.appendChild(tiles);
-    }
+    var details = el("details", "hy-history");
+    details.appendChild(el("summary", null, "Usage history"));
 
     // CPU and memory over time
-    var load = section(root, "CPU and memory");
     var dates = history.map(function (h) { return h.date; });
     var series = [
       ["CPU", "cpu_percent", "gh-s1"],
@@ -278,33 +187,30 @@
       return { name: s[0], cls: s[2], points: pts };
     }).filter(function (s) { return s.points.length; });
     if (charts && series.length) {
+      details.appendChild(el("h4", null, "CPU and memory in use"));
       var legend = el("div", "gh-legend");
       series.forEach(function (s) {
         var item = el("span", "gh-legend-item");
         item.appendChild(el("span", "gh-swatch " + s.cls));
         item.appendChild(document.createTextNode(s.name));
         legend.appendChild(item);
       });
-      load.appendChild(legend);
-      load.appendChild(
+      details.appendChild(legend);
+      details.appendChild(
         charts.lineChart(dates, series, { yMax: 100, unit: "%", label: "Raven CPU and memory in use by day" })
       );
-      load.appendChild(historyNote(history));
-    } else {
-      load.appendChild(note("No history yet."));
     }
 
     // Winners
-    var win = section(root, "Winners");
-    win.appendChild(
+    details.appendChild(el("h4", null, "Winners"));
+    details.appendChild(
       note(
-        "The top 5 accounts by CPU when the snapshot was taken. CPU is summed over each account's processes, " +
+        "The top 5 accounts by CPU at snapshot time. CPU is summed over each account's processes, " +
           "so 100% is one full core and values above 100% mean several cores."
       )
     );
     if (stats && stats.winners && stats.winners.length) {
-      win.appendChild(el("h3", null, "Latest"));
-      win.appendChild(
+      details.appendChild(
         table(
           ["User", "CPU", "Memory"],
           stats.winners.map(function (w) {
@@ -315,56 +221,32 @@
     }
     var grid = occurrenceGrid(history);
     if (grid) {
-      win.appendChild(el("h3", null, "Appearances in the Winners list"));
-      win.appendChild(grid);
-      win.appendChild(
-        note(
-          "One square per daily snapshot; darker means more CPU that day. System accounts are listed last in gray. " +
-            "Hover a square for the numbers."
-        )
-      );
+      details.appendChild(el("h4", null, "Appearances in the Winners list"));
+      details.appendChild(grid);
     }
 
-    // Memory by process
-    if (stats && stats.top_memory && stats.top_memory.length) {
-      var mem = section(root, "Top memory processes");
-      mem.appendChild(
-        table(
-          ["User", "Command", "Memory"],
-          stats.top_memory.map(function (p) {
-            var cmd = el("td", "ss-mount", p.command);
-            return [p.user, cmd, p.mem_percent + "%"];
-          })
-        )
-      );
-    }
-
-    // Storage
-    if (stats && stats.disks && stats.disks.length) {
-      var st = section(root, "Storage");
-      st.appendChild(
-        table(
-          ["Mount", "Size", "Used", "Available", "% Full"],
-          stats.disks
-            .slice()
-            .sort(function (a, b) { return b.use_percent - a.use_percent; })
-            .map(function (d) {
-              return [el("td", "ss-mount", d.mount), d.size, d.used, d.available, barCell(d.use_percent)];
-            })
-        )
-      );
-    }
+    details.appendChild(
+      note(
+        (history.length < 2
+          ? "History started on " + history[0].date + " and fills in one day at a time. "
+          : history.length + " daily snapshots, " + history[0].date + " to " + history[history.length - 1].date + ". ") +
+          "Each value is a single reading when the snapshot runs, not a daily average. " +
+          "In the grid, darker means more CPU that day and system accounts are listed last in gray. " +
+          "Hover a point or square for its values."
+      )
+    );
+    container.appendChild(details);
   }
 
   function render() {
-    var root = document.querySelector("[data-raven-dashboard]");
-    if (!root) return;
-    var base = root.getAttribute("data-status-base");
+    var container = document.querySelector("[data-raven-history]");
+    if (!container) return;
+    var base = container.getAttribute("data-status-base");
     Promise.all(
       SOURCES.map(function (n) { return fetchJson(base, n); }).concat([fetchJson(base, "raven_history.json")])
     ).then(function (results) {
       var history = results.pop();
-      paint(root, latestStats(results), Array.isArray(history) ? history : [], Date.now());
+      paint(container, latestStats(results), Array.isArray(history) ? history : []);
     });
   }
 

diff --git a/docs/javascripts/server-status.js b/docs/javascripts/server-status.js
@@ -88,6 +88,7 @@
       if (best && best.generatedAt >= generatedAt) return;
       best = {
         cpuPercent: doc.raven_stats.cpu_percent,
+        memoryPercent: doc.raven_stats.memory_percent,
         disks: doc.raven_stats.disks || [],
         generatedAt: generatedAt
       };
@@ -199,6 +200,7 @@
     if (meta) {
       var bits = [];
       if (stats.cpuPercent != null) bits.push("CPU load " + stats.cpuPercent + "%");
+      if (stats.memoryPercent != null) bits.push("memory " + stats.memoryPercent + "%");
       bits.push(
         "snapshot from " +
           new Date(stats.generatedAt).toLocaleString() +

diff --git a/mkdocs.yml b/mkdocs.yml
@@ -34,7 +34,7 @@ extra_javascript:
   - javascripts/server-status.js
   - javascripts/gannet-health.js
   - javascripts/hyak-alloc.js
-  - javascripts/raven-dashboard.js
+  - javascripts/raven-history.js
 
 markdown_extensions:
   - admonition
@@ -89,7 +89,6 @@ nav:
      - Code Snippets: 'code_Snippets.md'
      - Computing Hardware: 'Computing-Hardware.md'
      - Gannet Dashboard: 'Gannet-Dashboard.md'
-     - Raven Dashboard: 'Raven-Dashboard.md'
      - Lab Software: 'Lab-Software.md'
 
      - 'Klone Guides':

diff --git a/scripts/README.md b/scripts/README.md
@@ -90,12 +90,12 @@ per-mount use %, Winners), replaced if the same day is seen again, capped at
 running the checker, so the previous copy is on disk and is carried forward
 when the branch is re-orphaned. Losing that branch loses the history.
 
-The **Raven Dashboard** page (`docs/Raven-Dashboard.md`,
-`docs/javascripts/raven-dashboard.js`, `[data-raven-dashboard]`) reads
-`raven_history.json` plus the latest `raven_stats` and draws CPU/memory over
-time, a per-user grid of appearances in the Winners list, and current
-process and drive tables. It uses the shared line chart from
-`gannet-health.js`.
+A collapsible **Usage history** section under the Raven Disk / CPU table
+on Computing Hardware (`docs/javascripts/raven-history.js`,
+`[data-raven-history]`) reads `raven_history.json` plus the latest
+`raven_stats` and draws CPU/memory over time, the latest Winners table, and a
+per-user grid of appearances in the Winners list. It uses the shared line
+chart from `gannet-health.js`.
 
 ## Gannet's daily health report