Reduce dashboard CPU: cache DB, suppress logs, add systemd service

- Suppress Flask request logs (werkzeug ERROR only)
- Cache SQLite connection with WAL + 8MB cache
- Increase poll_ms 500->1000, history refresh 30s->60s
- Show 'waiting for pipeline...' when /dev/shm empty
- Add chicken-dashboard.service for systemd auto-start
This commit is contained in:
proitlab committed 2026-07-22 14:56:10 +07:00
1 parent 9512fc7f4d
commit dc447264b7
3 files changed
+58 -11

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@@ -45,10 +45,12 @@ body{font-family:system-ui,monospace;background:#0f0f14;color:#e0e0e0;overflow:h
</div>
<div id="main">
<div id="frame-area">
<img id="frame-img" src="" alt="live stream">
<div class="overlay">
<div class="tag live" id="cam-tag">CC1 &#x2022; RUNNING</div>
<div class="count" id="cam-count">--</div>
<canvas id="frame-canvas" style="display:none"></canvas>
<img id="frame-img" src="" alt="live stream" style="display:none">
<div id="waiting-msg" style="color:#555;font-size:16px;text-align:center">waiting for pipeline...</div>
<div class="overlay" id="frame-overlay" style="display:none">
<div class="tag live" id="cam-tag"></div>
<div class="count" id="cam-count"></div>
</div>
</div>
<div id="sidebar">
@@ -76,7 +78,7 @@ function boot() {
setInterval(poll, POLL_MS);
setInterval(updateClock, 1000);
loadHistory();
setInterval(loadHistory, 30000);
setInterval(loadHistory, 60000);
updateClock();
}
@@ -86,7 +88,9 @@ function loadCameras() {
renderCamList();
if (cameras.length && !activeCam) selectCam(cameras[0]);
detectActive();
if (!cameras.length) showWaiting("no cameras detected");
});
updateSidebar();
}
function detectActive() {
@@ -107,6 +111,9 @@ function detectActive() {
function selectCam(id) {
activeCam = id;
document.getElementById("waiting-msg").style.display = "none";
document.getElementById("frame-overlay").style.display = "block";
document.getElementById("frame-img").style.display = "block";
renderCamList();
refreshNow();
}
@@ -141,6 +148,13 @@ function refreshNow() {
document.getElementById("frame-img").src = "/shm/" + activeCam + "/frame.jpg?t=" + t;
}
function showWaiting(msg) {
document.getElementById("waiting-msg").textContent = msg;
document.getElementById("waiting-msg").style.display = "block";
document.getElementById("frame-overlay").style.display = "none";
document.getElementById("frame-img").style.display = "none";
}
function setOffline() {
document.getElementById("cam-tag").textContent = activeCam + " \u2022 OFFLINE";
document.getElementById("cam-tag").className = "tag off";