diff --git a/.cypress/integration/4_trace_analytics_dashboard.spec.js b/.cypress/integration/4_trace_analytics_dashboard.spec.js
index 37009a642..be31f2183 100644
--- a/.cypress/integration/4_trace_analytics_dashboard.spec.js
+++ b/.cypress/integration/4_trace_analytics_dashboard.spec.js
@@ -153,10 +153,10 @@ describe('Testing plots', () => {
     cy.get('.vis-network').should('exist');
 
     cy.get('.euiButton__text[title="Errors"]').click();
-    cy.get('text.ytitle[data-unformatted="Error rate"]').should('exist');
+    cy.get('text.ytitle[data-unformatted="Error rate (%)"]').should('exist');
 
     cy.get('.euiButton__text[title="Request Rate"]').click();
-    cy.get('text.ytitle[data-unformatted="Request rate"]').should('exist');
+    cy.get('text.ytitle[data-unformatted="Request rate (spans)"]').should('exist');
     cy.get('text[data-unformatted="50"]').should('exist');
 
     cy.get('input[type="search"]').eq(1).focus().type('payment{enter}');
diff --git a/public/components/trace_analytics/components/common/plots/service_map_scale.tsx b/public/components/trace_analytics/components/common/plots/service_map_scale.tsx
index f75d5f907..61bba2841 100644
--- a/public/components/trace_analytics/components/common/plots/service_map_scale.tsx
+++ b/public/components/trace_analytics/components/common/plots/service_map_scale.tsx
@@ -23,8 +23,8 @@ export function ServiceMapScale(props: {
     const delta = ticks[1] - ticks[0];
     const title = {
       latency: 'Average duration (ms)',
-      error_rate: 'Error rate',
-      throughput: 'Request rate',
+      error_rate: 'Error rate (%)',
+      throughput: 'Request rate (spans)',
     }[props.idSelected];
     const percentInterval = 1 / Math.max(ticks.length - 1, 1);
     const percents = Array.from({ length: ticks.length - 1 }, (v, i) => percentInterval * i);
diff --git a/public/components/trace_analytics/components/dashboard/top_groups_page.tsx b/public/components/trace_analytics/components/dashboard/top_groups_page.tsx
index 1741a12b0..da3ff8bbd 100644
--- a/public/components/trace_analytics/components/dashboard/top_groups_page.tsx
+++ b/public/components/trace_analytics/components/dashboard/top_groups_page.tsx
@@ -34,7 +34,7 @@ export function TopGroupsPage(props: {
     },
     {
       id: 'throughput',
-      label: 'Rate',
+      label: 'Request rate',
       'data-test-subj': 'throughput-toggle'
     },
   ];
diff --git a/public/components/trace_analytics/components/services/services_content.tsx b/public/components/trace_analytics/components/services/services_content.tsx
index 370520d86..0552c567e 100644
--- a/public/components/trace_analytics/components/services/services_content.tsx
+++ b/public/components/trace_analytics/components/services/services_content.tsx
@@ -46,7 +46,7 @@ export function ServicesContent(props: ServicesProps) {
   } = props;
   const [tableItems, setTableItems] = useState([]);
 
-  const [trigger, setTrigger] = useState<'open' | 'closed' | undefined>('closed');
+  const [trigger, setTrigger] = useState<'open' | 'closed'>('closed');
   const [serviceMap, setServiceMap] = useState<ServiceObject>({});
   const [serviceMapIdSelected, setServiceMapIdSelected] = useState<
     'latency' | 'error_rate' | 'throughput'
diff --git a/public/components/trace_analytics/requests/dashboard_request_handler.ts b/public/components/trace_analytics/requests/dashboard_request_handler.ts
index 253fab1b3..d9316bca0 100644
--- a/public/components/trace_analytics/requests/dashboard_request_handler.ts
+++ b/public/components/trace_analytics/requests/dashboard_request_handler.ts
@@ -50,7 +50,7 @@ export const handleDashboardRequest = async (
     .catch((error) => console.error(error));
   if (setPercentileMap) setPercentileMap(latencyVariances);
 
-  const latencyTrends = await handleDslRequest(http, latencyTrendDSL, getLatencyTrendQuery(), mode, true, setShowTimeoutToast)
+  const latencyTrends = await handleDslRequest(http, latencyTrendDSL, getLatencyTrendQuery(), mode, setShowTimeoutToast)
     .then((response) => {
       const map: any = {};
       response.aggregations.trace_group_name.buckets.map((bucket) => {
@@ -105,7 +105,7 @@ export const handleDashboardRequest = async (
     })
     .catch((error) => console.error(error));
 
-  await handleDslRequest(http, DSL, getDashboardQuery(), mode, true, setShowTimeoutToast)
+  await handleDslRequest(http, DSL, getDashboardQuery(), mode, setShowTimeoutToast)
     .then((response) => {
       return Promise.all(
         response.aggregations.trace_group_name.buckets.map((bucket) => {
@@ -138,7 +138,7 @@ export const handleJaegerDashboardRequest = async (
   setShowTimeoutToast,
   setPercentileMap?
 ) => {
-  const latencyTrends = await handleDslRequest(http, latencyTrendDSL, getJaegerLatencyTrendQuery(), mode, true, setShowTimeoutToast)
+  const latencyTrends = await handleDslRequest(http, latencyTrendDSL, getJaegerLatencyTrendQuery(), mode, setShowTimeoutToast)
     .then((response) => {
       const map: any = {};
       response.aggregations.trace_group_name.buckets.map((bucket) => {
@@ -195,7 +195,7 @@ export const handleJaegerDashboardRequest = async (
       console.error(error);
     });
 
-  await handleDslRequest(http, DSL, getJaegerDashboardQuery(), mode, true, setShowTimeoutToast)
+  await handleDslRequest(http, DSL, getJaegerDashboardQuery(), mode, setShowTimeoutToast)
     .then((response) => {
       return Promise.all(
         response.aggregations.trace_group_name.buckets.map((bucket) => {
@@ -249,7 +249,7 @@ export const handleJaegerErrorDashboardRequest = async (
   setShowTimeoutToast,
   setPercentileMap?
 ) => {
-  const errorTrends = await handleDslRequest(http, latencyTrendDSL, getJaegerErrorTrendQuery(), mode, true, setShowTimeoutToast)
+  const errorTrends = await handleDslRequest(http, latencyTrendDSL, getJaegerErrorTrendQuery(), mode, setShowTimeoutToast)
     .then((response) => {
       const map: any = {};
       response.aggregations.trace_group_name.buckets.map((bucket) => {
@@ -304,7 +304,7 @@ export const handleJaegerErrorDashboardRequest = async (
     })
     .catch((error) => console.error(error));
 
-  await handleDslRequest(http, DSL, getJaegerErrorDashboardQuery(), mode, true, setShowTimeoutToast)
+  await handleDslRequest(http, DSL, getJaegerErrorDashboardQuery(), mode, setShowTimeoutToast)
     .then((response) => {
       return Promise.all(
         response.aggregations.trace_group_name.buckets.map((bucket) => {
diff --git a/public/components/trace_analytics/requests/request_handler.ts b/public/components/trace_analytics/requests/request_handler.ts
index e5ba11707..bb687183d 100644
--- a/public/components/trace_analytics/requests/request_handler.ts
+++ b/public/components/trace_analytics/requests/request_handler.ts
@@ -18,7 +18,6 @@ export async function handleDslRequest(
   DSL: any,
   bodyQuery: any,
   mode: TraceAnalyticsMode,
-  timeout?: boolean,
   setShowTimeoutToast?: () => void
 ) {
   if (DSL?.query) {
@@ -33,8 +32,8 @@ export async function handleDslRequest(
   if (!bodyQuery.index) {
     body = { ...bodyQuery, index: mode === 'jaeger' ? JAEGER_INDEX_NAME : DATA_PREPPER_INDEX_NAME };
   }
-  if (timeout) {
-    const id = setTimeout(() => setShowTimeoutToast!(), 25000); // 25 seconds
+  if (setShowTimeoutToast) {
+    const id = setTimeout(() => setShowTimeoutToast(), 25000); // 25 seconds
 
     try {
       return await http.post(TRACE_ANALYTICS_DSL_ROUTE, {
@@ -45,14 +44,15 @@ export async function handleDslRequest(
     } finally {
       clearTimeout(id);
     }
-  }
+  } else {
 
-  try {
-    return await http.post(TRACE_ANALYTICS_DSL_ROUTE, {
-      body: JSON.stringify(body),
-    });
-  } catch (error_1) {
-    console.error(error_1);
+    try {
+      return await http.post(TRACE_ANALYTICS_DSL_ROUTE, {
+        body: JSON.stringify(body),
+      });
+    } catch (error_1) {
+      console.error(error_1);
+    }
   }
 }