chore: add insert logs

apps/cron/src/services/events.ts

@@ -9,6 +9,8 @@ const flushEvents = async (): Promise<void> => {
     const length = await rLength(QUEUE_KEY)
     // Loop as batch of BATCH_SIZE events
     for (let i = 0; i < length; i += BATCH_SIZE) {
+      const startTime = Date.now()
+
       // pick BATCH_SIZE events from the start of the queue (for eg 0 to 4999)
       const rawEvents = await rLoad(QUEUE_KEY, i, BATCH_SIZE - 1)
       const events: Record<string, any>[] = rawEvents.map((event) =>
@@ -23,6 +25,12 @@ const flushEvents = async (): Promise<void> => {
         })
         await rTrim(QUEUE_KEY, events.length)
       }
+
+      const endTime = Date.now()
+      const timeTaken = endTime - startTime
+      console.log(
+        `[cron] tower events - batch inserted ${events.length} events to clickhouse in ${timeTaken}ms`
+      )
     }
   } catch (error) {
     console.error('[cron] Error flushing tower events', error)