Fix: modify executors

api-server/src/main/java/com/repoachiever/service/telemetry/TelemetryService.java

@@ -38,44 +38,45 @@ public class TelemetryService {
 
     private final ConcurrentLinkedQueue<Runnable> additionalContentUploadQueue = new ConcurrentLinkedQueue<>();
 
-    private final static ScheduledExecutorService executorService = Executors.newScheduledThreadPool(6);
+    private final static ScheduledExecutorService scheduledExecutorService =
+            Executors.newScheduledThreadPool(0, Thread.ofVirtual().factory());
 
     /**
      * Starts telemetries listener, which handles incoming telemetries to be processed in a sequential way.
      */
     @PostConstruct
     private void configure() {
-        executorService.scheduleWithFixedDelay(() -> {
+        scheduledExecutorService.scheduleWithFixedDelay(() -> {
             if (!apiServerHealthCheckQueue.isEmpty()) {
                 apiServerHealthCheckQueue.poll().run();
             }
         }, 0, properties.getDiagnosticsScrapeDelay(), TimeUnit.MILLISECONDS);
 
-        executorService.scheduleWithFixedDelay(() -> {
+        scheduledExecutorService.scheduleWithFixedDelay(() -> {
             if (!clusterHealthCheckQueue.isEmpty()) {
                 clusterHealthCheckQueue.poll().run();
             }
         }, 0, properties.getDiagnosticsScrapeDelay(), TimeUnit.MILLISECONDS);
 
-        executorService.scheduleWithFixedDelay(() -> {
+        scheduledExecutorService.scheduleWithFixedDelay(() -> {
             if (!clusterStateQueue.isEmpty()) {
                 clusterStateQueue.poll().run();
             }
         }, 0, properties.getDiagnosticsScrapeDelay(), TimeUnit.MILLISECONDS);
 
-        executorService.scheduleWithFixedDelay(() -> {
+        scheduledExecutorService.scheduleWithFixedDelay(() -> {
             if (!clusterDownloadQueue.isEmpty()) {
                 clusterDownloadQueue.poll().run();
             }
         }, 0, properties.getDiagnosticsScrapeDelay(), TimeUnit.MILLISECONDS);
 
-        executorService.scheduleWithFixedDelay(() -> {
+        scheduledExecutorService.scheduleWithFixedDelay(() -> {
             if (!rawContentUploadQueue.isEmpty()) {
                 rawContentUploadQueue.poll().run();
             }
         }, 0, properties.getDiagnosticsScrapeDelay(), TimeUnit.MILLISECONDS);
 
-        executorService.scheduleWithFixedDelay(() -> {
+        scheduledExecutorService.scheduleWithFixedDelay(() -> {
             if (!additionalContentUploadQueue.isEmpty()) {
                 additionalContentUploadQueue.poll().run();
             }

cluster/src/main/java/com/repoachiever/service/integration/logging/state/LoggingStateService.java

@@ -21,8 +21,7 @@ public class LoggingStateService {
     @Autowired
     private PropertiesEntity properties;
 
-    private final ScheduledExecutorService scheduledExecutorService =
-            Executors.newScheduledThreadPool(0, Thread.ofVirtual().factory());
+    private final ScheduledExecutorService scheduledExecutorService = Executors.newSingleThreadScheduledExecutor();
 
     /**
      * Performs application exit if the required state has been changed.

cluster/src/main/java/com/repoachiever/service/integration/scheduler/SchedulerConfigService.java

@@ -34,18 +34,19 @@ public class SchedulerConfigService {
     @Autowired
     private ApiServerCommunicationResource apiServerCommunicationResource;
 
-    private final ExecutorService starterExecutorService = Executors.newVirtualThreadPerTaskExecutor();
-
-    private final ScheduledExecutorService operationScheduledExecutorService =
-            Executors.newScheduledThreadPool(0, Thread.ofVirtual().factory());
-
     /**
      * Performs configuration of RepoAchiever Cluster workers.
      *
      * @throws SchedulerPeriodRetrievalFailureException if scheduler period retrieval process failed.
      */
     @PostConstruct
     private void process() throws SchedulerPeriodRetrievalFailureException {
+        ExecutorService starterExecutorService =
+                Executors.newFixedThreadPool(configService.getConfig().getContent().getLocations().size());
+
+        ScheduledExecutorService operationScheduledExecutorService =
+                Executors.newScheduledThreadPool(configService.getConfig().getContent().getLocations().size());
+
         Long period;
 
         try {

cluster/src/main/java/com/repoachiever/service/vendor/git/github/GitGitHubVendorService.java

@@ -57,8 +57,7 @@ public class GitGitHubVendorService {
 
     private String document;
 
-    private final ScheduledExecutorService scheduledExecutorService =
-            Executors.newScheduledThreadPool(0, Thread.ofVirtual().factory());
+    private ScheduledExecutorService scheduledExecutorService;
 
     /**
      * Performs initial GraphQL client and HTTP client configuration.
@@ -67,6 +66,10 @@ public class GitGitHubVendorService {
      */
     @PostConstruct
     private void configure() throws GitHubGraphQlClientDocumentNotFoundException {
+        scheduledExecutorService =
+                Executors.newScheduledThreadPool(
+                        configService.getConfig().getContent().getLocations().size() * 2);
+
         if (configService.getConfig().getService().getProvider() == ConfigEntity.Service.Provider.GIT_GITHUB) {
             WebClient client = WebClient.builder()
                     .baseUrl(properties.getGraphQlClientGitHubUrl())