Adjust cache timings

Author: watson

packages/dd-trace/src/debugger/devtools_client/source-maps.js

@@ -52,15 +52,15 @@ function setCacheTTL () {
 
   cacheTimer = setTimeout(function () {
     cacheTimer = null
-    if (Date.now() - cacheTime < 1_000) {
-      // If the last cache entry was added less then 1s ago, keep the cache alive
+    if (Date.now() - cacheTime < 2_500) {
+      // If the last cache entry was added recently, keep the cache alive
       setCacheTTL()
     } else {
       // Optimize for app boot, where a lot of reads might happen
       // Clear cache a few seconds after it was last used
       cache.clear()
     }
-  }, 10_000).unref()
+  }, 5_000).unref()
 }
 
 function loadInlineSourceMap (data) {

packages/dd-trace/test/debugger/devtools_client/source-maps.spec.js

@@ -188,8 +188,8 @@ describe('source map utils', function () {
         expect(readFile.callCount).to.equal(1)
       })
 
-      it('should clear cache after 10 seconds', async function () {
-        clock.tick(10_000)
+      it('should clear cache after 5 seconds', async function () {
+        clock.tick(5_000)
         const sourceMap = await loadSourceMap(dir, sourceMapURL)
         expect(sourceMap).to.deep.equal(parsedSourceMap)
         expect(readFile.callCount).to.equal(2)
@@ -213,8 +213,8 @@ describe('source map utils', function () {
         expect(readFileSync.callCount).to.equal(1)
       })
 
-      it('should clear cache after 10 seconds', function () {
-        clock.tick(10_000)
+      it('should clear cache after 5 seconds', function () {
+        clock.tick(5_000)
         const sourceMap = loadSourceMapSync(dir, sourceMapURL)
         expect(sourceMap).to.deep.equal(parsedSourceMap)
         expect(readFileSync.callCount).to.equal(2)