From e0b263e535aa6b9123d593663b13e51aecb66519 Mon Sep 17 00:00:00 2001
From: labkey-jeckels <jeckels@labkey.com>
Date: Wed, 31 Dec 2025 09:04:43 -0800
Subject: [PATCH] Ticket 54342: PanoramaWeb overwhelmed with requests for
 massive targetedms-groupChromatogramChart.view plots

---
 src/org/labkey/targetedms/chart/ChromatogramDataset.java | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/org/labkey/targetedms/chart/ChromatogramDataset.java b/src/org/labkey/targetedms/chart/ChromatogramDataset.java
index 6e4e32d64..afeba8579 100644
--- a/src/org/labkey/targetedms/chart/ChromatogramDataset.java
+++ b/src/org/labkey/targetedms/chart/ChromatogramDataset.java
@@ -1462,6 +1462,7 @@ protected String getSeriesLabel()
 
     public static class GroupDataset extends RtRangeDataset
     {
+        private static final int SERIES_LIMIT = 25;
         private final PeptideGroup _group;
         private final SampleFile _sampleFile;
         private final ViewContext _context;
@@ -1570,6 +1571,12 @@ protected List<PrecursorChromInfoPlus> getPrecursorChromInfos()
                 }
             }
 
+            // Ticket 54342: PanoramaWeb overwhelmed with requests for massive targetedms-groupChromatogramChart.view plots
+            if (_allMolecules.size() > SERIES_LIMIT)
+            {
+                _allMolecules = _allMolecules.entrySet().stream().limit(SERIES_LIMIT).collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue, (e1, e2) -> e1, LinkedHashMap::new));
+            }
+
             List<PrecursorChromInfoPlus> nonOptimizationPeaks = new ArrayList<>();
             for(List<PrecursorChromInfoPlus> infos : _allMolecules.values())
             {