From b7d47ded16ed3d3ba16663cb6ab337b18c6d6d3f Mon Sep 17 00:00:00 2001
From: Faizan Alam <faizan.alam@couchbase.com>
Date: Thu, 23 Apr 2026 16:33:25 +0100
Subject: [PATCH 1/2] Add remaining durability levels to durable latencies

---
 dashboards/kv-cluster.json | 28 ++++++++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/dashboards/kv-cluster.json b/dashboards/kv-cluster.json
index 9e313d0..cadac3b 100644
--- a/dashboards/kv-cluster.json
+++ b/dashboards/kv-cluster.json
@@ -309,13 +309,37 @@
         {
           "datasource": "{data-source:name}",
           "expr": "histogram_quantile(0.99, sum by (le) (irate(kv_sync_write_commit_duration_seconds_bucket{level=\"persist_to_majority\"}[5m])))",
-          "legendFormat": "99th {data-source:name} Sync SET",
+          "legendFormat": "99th {data-source:name} persist_to_majority",
           "_base": "target"
         },
         {
           "datasource": "{data-source:name}",
           "expr": "histogram_quantile(0.50, sum by (le) (irate(kv_sync_write_commit_duration_seconds_bucket{level=\"persist_to_majority\"}[5m])))",
-          "legendFormat": "50th {data-source:name} Sync SET",
+          "legendFormat": "50th {data-source:name} persist_to_majority",
+          "_base": "target"
+        },
+        {
+          "datasource": "{data-source:name}",
+          "expr": "histogram_quantile(0.99, sum by (le) (irate(kv_sync_write_commit_duration_seconds_bucket{level=\"majority\"}[5m])))",
+          "legendFormat": "99th {data-source:name} majority",
+          "_base": "target"
+        },
+        {
+          "datasource": "{data-source:name}",
+          "expr": "histogram_quantile(0.50, sum by (le) (irate(kv_sync_write_commit_duration_seconds_bucket{level=\"majority\"}[5m])))",
+          "legendFormat": "50th {data-source:name} majority",
+          "_base": "target"
+        },
+        {
+          "datasource": "{data-source:name}",
+          "expr": "histogram_quantile(0.99, sum by (le) (irate(kv_sync_write_commit_duration_seconds_bucket{level=\"majority_and_persist_on_master\"}[5m])))",
+          "legendFormat": "99th {data-source:name} majority_and_persist_on_master",
+          "_base": "target"
+        },
+        {
+          "datasource": "{data-source:name}",
+          "expr": "histogram_quantile(0.50, sum by (le) (irate(kv_sync_write_commit_duration_seconds_bucket{level=\"majority_and_persist_on_master\"}[5m])))",
+          "legendFormat": "50th {data-source:name} majority_and_persist_on_master",
           "_base": "target"
         }
       ],

From 848bde31df80074bfbd358c91fe2c106c7f4622e Mon Sep 17 00:00:00 2001
From: Faizan Alam <faizan.alam@couchbase.com>
Date: Mon, 27 Apr 2026 11:02:08 +0100
Subject: [PATCH 2/2] Update Sync Write latencies description

---
 dashboards/kv-cluster.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dashboards/kv-cluster.json b/dashboards/kv-cluster.json
index cadac3b..5fa9dd6 100644
--- a/dashboards/kv-cluster.json
+++ b/dashboards/kv-cluster.json
@@ -303,7 +303,7 @@
     },
     {
       "title": "Percentile Sync Write latencies",
-      "description": "For each node computed as:`histogram_quantile(0.99|0.50, sum by (le) (irate(kv_sync_write_commit_duration_seconds_bucket{level=\"persist_to_majority\"}[5m])))`",
+      "description": "99th and 50th percentile sync write commit latencies by durability level (`majority`, `majority_and_persist_on_master`, `persist_to_majority`).\n\nComputed per level as: `histogram_quantile(0.99|0.50, sum by (le) (irate(kv_sync_write_commit_duration_seconds_bucket{level=\"<level>\"}[5m])))`",
       "_base": "panel",
       "_targets": [
         {