From 48c5b36e82970a292f28dd25122a313bb83a1b8b Mon Sep 17 00:00:00 2001
From: Joe Elliott <number101010@gmail.com>
Date: Thu, 22 Feb 2024 10:15:53 -0500
Subject: [PATCH] spiky graphs and local blocks config

Signed-off-by: Joe Elliott <number101010@gmail.com>
---
 source/mythical-beasts-requester/index.js | 20 +++++++++++++++++++-
 tempo/tempo.yaml                          |  3 +++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/source/mythical-beasts-requester/index.js b/source/mythical-beasts-requester/index.js
index 05f401c..adf91b1 100644
--- a/source/mythical-beasts-requester/index.js
+++ b/source/mythical-beasts-requester/index.js
@@ -176,11 +176,29 @@ const makeRequest = async (tracingObj, sendMessage, logEntry) => {
         requestSpan.end();
     });
 
+    // The following awful code creates spikes in the request rate which makes for more interesting graphs
+    // Joe Elliott did not write this. Do not check the blame.
+    counter++;
+    if (counter >= 3000) {
+      counter = 0;
+    }
+
+    var nextReqIn;
+    if (counter < 2000) {
+        // Choose low values in the first minute of every 5-minute interval
+        nextReqIn =  Math.floor(Math.random() * 50); 
+      } else {
+        // Choose high values for the next 4 minutes
+        nextReqIn = Math.floor(Math.random() * 1000) + 100; 
+      }
+
     // Sometime in the next two seconds, but larger than 100ms
-    const nextReqIn = (Math.random() * 1000) + 100;
+    //const nextReqIn = (Math.random() * 1000) + 100;
     setTimeout(() => makeRequest(tracingObj, sendMessage, logEntry), nextReqIn);
 };
 
+let counter = 0;
+
 (async () => {
     const tracingObj = await tracingUtils();
     const { sendMessage } = await queueUtils(tracingObj);
diff --git a/tempo/tempo.yaml b/tempo/tempo.yaml
index 76c9455..9c8f1c5 100644
--- a/tempo/tempo.yaml
+++ b/tempo/tempo.yaml
@@ -58,6 +58,9 @@ storage:
 metrics_generator:
   # Specifies which processors to use.
   processor:
+    # keep all spans in the local blocks. this will allow for traceql metrics using structural queries
+    local_blocks:
+      filter_server_spans: false
     # Span metrics create metrics based on span type, duration, name and service.
     span_metrics:
         # Configure extra dimensions to add as metric labels.