NealSun96 commented on a change in pull request #973:
URL: https://github.com/apache/helix/pull/973#discussion_r416963072
##########
File path:
helix-core/src/main/java/org/apache/helix/task/TaskStateModelFactory.java
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@@ -102,4 +107,40 @@ public boolean isShutdown() {
public boolean isTerminated() {
return _taskExecutor.isTerminated();
}
+
+ /*
+ * Get target thread pool size from InstanceConfig first; if that fails, get
it from
+ * ClusterConfig; if that fails, fall back to the default value.
+ */
+ private static int _getTaskThreadPoolSize(HelixManager manager) {
+ ConfigAccessor configAccessor = manager.getConfigAccessor();
+ // Check instance config first for thread pool size
+ try {
+ InstanceConfig instanceConfig =
+ configAccessor.getInstanceConfig(manager.getClusterName(),
manager.getInstanceName());
+ int targetTaskThreadPoolSize =
instanceConfig.getTargetTaskThreadPoolSize();
+ if (_verifyTargetThreadPoolSize(targetTaskThreadPoolSize)) {
+ return targetTaskThreadPoolSize;
+ }
+ } catch (HelixException e) {
+ // Pass if InstanceConfig doesn't exist.
+ }
Review comment:
Thank you for correcting!
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