perf(delayed): keep moving delayed jobs to waiting when queue is paused

src/commands/addDelayedJob-6.lua

@@ -58,7 +58,6 @@ local parentData
 --- @include "includes/getDelayedScore"
 --- @include "includes/getOrSetMaxEvents"
 --- @include "includes/handleDuplicatedJob"
---- @include "includes/isQueuePaused"
 --- @include "includes/storeJob"
 
 if parentKey ~= nil then
@@ -99,11 +98,8 @@ rcall("XADD", eventsKey, "MAXLEN", "~", maxEvents, "*", "event", "delayed",
       "jobId", jobId, "delay", delayedTimestamp)
 
 -- mark that a delayed job is available
-local isPaused = isQueuePaused(metaKey)
-if not isPaused then
-    local markerKey = KEYS[1]
-    addDelayMarkerIfNeeded(markerKey, delayedKey)
-end
+local markerKey = KEYS[1]
+addDelayMarkerIfNeeded(markerKey, delayedKey)
 
 -- Check if this job is a child of another job, if so add it to the parents dependencies
 if parentDependenciesKey ~= nil then

src/commands/changeDelay-4.lua

@@ -25,7 +25,6 @@ local rcall = redis.call
 --- @include "includes/addDelayMarkerIfNeeded"
 --- @include "includes/getDelayedScore"
 --- @include "includes/getOrSetMaxEvents"
---- @include "includes/isQueuePaused"
 
 if rcall("EXISTS", ARGV[4]) == 1 then
   local jobId = ARGV[3]
@@ -48,10 +47,7 @@ if rcall("EXISTS", ARGV[4]) == 1 then
     "jobId", jobId, "delay", delayedTimestamp)
 
   -- mark that a delayed job is available
-  local isPaused = isQueuePaused(KEYS[2])
-  if not isPaused then
-    addDelayMarkerIfNeeded(KEYS[3], KEYS[1])
-  end
+  addDelayMarkerIfNeeded(KEYS[3], KEYS[1])
 
   return 0
 else

src/commands/moveToDelayed-8.lua

@@ -32,7 +32,6 @@ local rcall = redis.call
 --- @include "includes/addDelayMarkerIfNeeded"
 --- @include "includes/getDelayedScore"
 --- @include "includes/getOrSetMaxEvents"
---- @include "includes/isQueuePaused"
 --- @include "includes/removeLock"
 
 local jobKey = KEYS[5]
@@ -65,11 +64,8 @@ if rcall("EXISTS", jobKey) == 1 then
           "jobId", jobId, "delay", delayedTimestamp)
 
     -- Check if we need to push a marker job to wake up sleeping workers.
-    local isPaused = isQueuePaused(metaKey)
-    if not isPaused then
-        local markerKey = KEYS[1]
-        addDelayMarkerIfNeeded(markerKey, delayedKey)
-    end
+    local markerKey = KEYS[1]
+    addDelayMarkerIfNeeded(markerKey, delayedKey)
 
     return 0
 else

tests/test_delay.ts

@@ -175,6 +175,43 @@ describe('Delayed jobs', function () {
     });
   });
 
+  describe('when queue is paused', function () {
+    it('should keep moving delayed jobs to waiting', async function () {
+      const delayTime = 2500;
+      const margin = 1.2;
+
+      const queueEvents = new QueueEvents(queueName, { connection, prefix });
+      await queueEvents.waitUntilReady();
+
+      await queue.pause();
+      const worker = new Worker(queueName, async () => {}, {
+        connection,
+        prefix,
+      });
+      await worker.waitUntilReady();
+
+      const timestamp = Date.now();
+      const publishHappened = false;
+
+      const waiting = new Promise<void>(resolve => {
+        queueEvents.on('waiting', () => {
+          console.log(Date.now() - timestamp);
+          const currentDelay = Date.now() - timestamp;
+          expect(currentDelay).to.be.greaterThanOrEqual(delayTime);
+          expect(currentDelay).to.be.lessThanOrEqual(delayTime * margin);
+          resolve();
+        });
+      });
+
+      await queue.add('test', { delayed: 'foobar' }, { delay: delayTime });
+
+      await waiting;
+
+      await queueEvents.close();
+      await worker.close();
+    });
+  });
+
   it('should process a delayed job added after an initial long delayed job', async function () {
     const oneYearDelay = 1000 * 60 * 60 * 24 * 365; // One year.
     const delayTime = 1000;

tests/test_pause.ts

@@ -60,8 +60,8 @@ describe('Pause', function () {
     }
     const counts2 = await queue.getJobCounts('waiting', 'paused', 'delayed');
     expect(counts2).to.have.property('waiting', 0);
-    expect(counts2).to.have.property('paused', 0);
-    expect(counts2).to.have.property('delayed', 1);
+    expect(counts2).to.have.property('paused', 1);
+    expect(counts2).to.have.property('delayed', 0);
 
     await worker.close();
   });

tests/test_worker.ts

@@ -1738,7 +1738,7 @@ describe('workers', function () {
       const processing = new Promise<void>((resolve, reject) => {
         processor = async (job: Job) => {
           try {
-            await delay(10);
+            await delay(20);
             expect(job.data.num).to.be.equal(counter);
             expect(job.data.foo).to.be.equal('bar');
             if (counter === maxJobs) {