From 71207406b56a24e17d28ebb9a4a4cd1a657fc600 Mon Sep 17 00:00:00 2001
From: Utsab Chowdhury <utsab.c97@gmail.com>
Date: Fri, 6 Dec 2024 12:24:52 +0530
Subject: [PATCH 1/2] chore: add metrics for mailjet

---
 src/util/prometheus.js                   | 6 ++++++
 src/v0/destinations/mailjet/transform.js | 4 ++++
 2 files changed, 10 insertions(+)

diff --git a/src/util/prometheus.js b/src/util/prometheus.js
index c8dd55068b..e0ff110481 100644
--- a/src/util/prometheus.js
+++ b/src/util/prometheus.js
@@ -520,6 +520,12 @@ class Prometheus {
         type: 'counter',
         labelNames: ['destination_id'],
       },
+      {
+        name: 'mailjet_packing_size',
+        help: 'mailjet_packing_size',
+        type: 'gauge',
+        labelNames: ['destination_id'],
+      },
       {
         name: 'hs_batch_size',
         help: 'hs_batch_size',
diff --git a/src/v0/destinations/mailjet/transform.js b/src/v0/destinations/mailjet/transform.js
index 78b4f766d1..0a742b4cf7 100644
--- a/src/v0/destinations/mailjet/transform.js
+++ b/src/v0/destinations/mailjet/transform.js
@@ -1,5 +1,6 @@
 const lodash = require('lodash');
 const { TransformationError, InstrumentationError } = require('@rudderstack/integrations-lib');
+const stats = require('../../../util/stats');
 const {
   getSuccessRespEvents,
   defaultRequestConfig,
@@ -105,6 +106,9 @@ const batchEvents = (successRespList) => {
     const eventChunks = lodash.chunk(eventGroups[combination], MAX_BATCH_SIZE);
     // eventChunks = [[e1,e2,e3,..batchSize],[e1,e2,e3,..batchSize]..]
     eventChunks.forEach((chunk) => {
+      stats.gauge('mailjet_packing_size', chunk.length, {
+        group: combination,
+      });
       const batchEventResponse = generateBatchedPaylaodForArray(chunk, combination);
       batchedResponseList.push(
         getSuccessRespEvents(

From e6af2668c5b9fe7e457dd19ddf8cd3879caa039c Mon Sep 17 00:00:00 2001
From: Utsab Chowdhury <utsab.c97@gmail.com>
Date: Fri, 6 Dec 2024 12:39:28 +0530
Subject: [PATCH 2/2] chore: fix label

---
 src/util/prometheus.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/util/prometheus.js b/src/util/prometheus.js
index e0ff110481..a4c12e4ea8 100644
--- a/src/util/prometheus.js
+++ b/src/util/prometheus.js
@@ -524,7 +524,7 @@ class Prometheus {
         name: 'mailjet_packing_size',
         help: 'mailjet_packing_size',
         type: 'gauge',
-        labelNames: ['destination_id'],
+        labelNames: ['group'],
       },
       {
         name: 'hs_batch_size',