diff --git a/src/commons/pub-sub/pub-sub.ts b/src/commons/pub-sub/pub-sub.ts
index 12a3282..bb51d56 100644
--- a/src/commons/pub-sub/pub-sub.ts
+++ b/src/commons/pub-sub/pub-sub.ts
@@ -2,7 +2,7 @@ import debug from 'debug';
 import { EventEmitter } from 'events';
 import IORedis, { Redis } from 'ioredis';
 import { from, fromEvent, Observable } from 'rxjs';
-import { filter, map, switchMap, takeWhile, tap } from 'rxjs/operators';
+import { filter, map, share, switchMap, takeWhile, tap } from 'rxjs/operators';
 import { ApplicationException } from '../exceptions/application.exception';
 import { PubSubOptions } from './interfaces/pub-sub-options.interface';
 import {
@@ -22,6 +22,10 @@ export class PubSub extends EventEmitter {
     this.pubRedis = new IORedis(this.options.redis);
     this.pSubRedis = new IORedis(this.options.redis);
 
+    this.pSubRedis.on('pmessage', (...args) =>
+      log.extend('raw')('%s %s %o', ...args),
+    );
+
     this.event$ = fromEvent<[string, string, string]>(
       this.pSubRedis,
       'pmessage',
@@ -37,6 +41,7 @@ export class PubSub extends EventEmitter {
         return ev;
       }),
       filter((v) => !!v),
+      share(),
     );
   }
 
@@ -88,7 +93,7 @@ export class PubSub extends EventEmitter {
         filter(([pattern]) => pattern === channel),
         tap(([pattern, channel, message]) => {
           log.extend('subscribe')(
-            'channel: %s, match: %, message: %O',
+            'channel: %s, match: %s, message: %O',
             channel,
             pattern,
             message,
diff --git a/src/pipeline-tasks/pipeline-tasks.module.ts b/src/pipeline-tasks/pipeline-tasks.module.ts
index a7e5c6c..1a4e5bb 100644
--- a/src/pipeline-tasks/pipeline-tasks.module.ts
+++ b/src/pipeline-tasks/pipeline-tasks.module.ts
@@ -10,7 +10,6 @@ import { BullModule } from '@nestjs/bull';
 import { PipelineTaskConsumer } from './pipeline-task.consumer';
 import { PIPELINE_TASK_QUEUE } from './pipeline-tasks.constants';
 import { PipelineTaskLogsService } from './pipeline-task-logs.service';
-import { PubSub } from 'apollo-server-express';
 import { PubSubModule } from '../commons/pub-sub/pub-sub.module';
 
 @Module({
diff --git a/src/pipeline-tasks/pipeline-tasks.service.ts b/src/pipeline-tasks/pipeline-tasks.service.ts
index ce9e93e..35943fc 100644
--- a/src/pipeline-tasks/pipeline-tasks.service.ts
+++ b/src/pipeline-tasks/pipeline-tasks.service.ts
@@ -126,6 +126,7 @@ export class PipelineTasksService {
   }
 
   async watchTaskUpdated(id: string) {
+    log('watchTaskUpdated %s', id);
     return observableToAsyncIterable(this.pubSub.message$(`task:${id}`));
   }
 
diff --git a/src/pipelines/commit-logs.resolver.ts b/src/pipelines/commit-logs.resolver.ts
index df65882..0a55f76 100644
--- a/src/pipelines/commit-logs.resolver.ts
+++ b/src/pipelines/commit-logs.resolver.ts
@@ -1,12 +1,10 @@
 import {
   Args,
-  Info,
   Parent,
   ResolveField,
   Resolver,
   Subscription,
 } from '@nestjs/graphql';
-import { GraphQLResolveInfo } from 'graphql';
 import { PipelineTasksService } from '../pipeline-tasks/pipeline-tasks.service';
 import { LogFields, LogList } from '../repos/dtos/log-list.model';
 import { PipelinesService } from './pipelines.service';