Allow up to 32 task updates at a given time (#703)

Author: jbern0rd

CHANGELOG.md

@@ -14,6 +14,7 @@ All notable changes to this project will be documented in this file.
 - Move `notification` package from `iexec-commons-poco` to `iexec-core-library`. (#697 #698)
 - Move `PublicConfiguration` class from `iexec-common` to `iexec-core-library`. (#699)
 - Create `ConfigServerClient` instance and use it. (#700)
+- Allow up to 32 task updates at a given time. (#703)
 
 ### Bug Fixes
 

src/main/java/com/iexec/core/task/update/TaskUpdateRequestManager.java

@@ -40,7 +40,7 @@ public class TaskUpdateRequestManager {
     /**
      * Max number of threads to update task for each core.
      */
-    private static final int TASK_UPDATE_THREADS_POOL_SIZE = Runtime.getRuntime().availableProcessors() * 2;
+    private static final int TASK_UPDATE_THREADS_POOL_SIZE = 32;
 
     // Working with semaphore to guarantee at most 1 item in queue and 1 running thread
     private final ExpiringMap<String, Semaphore> taskExecutionLockRunner = ExpiringMap.builder()