phet commented on a change in pull request #3415:
URL: https://github.com/apache/gobblin/pull/3415#discussion_r745247922
##########
File path:
gobblin-service/src/main/java/org/apache/gobblin/service/modules/orchestration/DagManager.java
##########
@@ -984,15 +985,16 @@ private void checkQuota(DagNode<JobExecutionPlan>
dagNode) throws IOException {
}
if (!requesterCheck) {
- throw new IOException(requesterMessage);
+ throw new IOException(requesterMessage.toString());
}
}
/**
* Increment quota by one for the given map and key.
+ * We need synchronization on this method because quotaMap is shared among
all the {@link DagManagerThread}s.
* @return true if quota is not reached for this user or user is
whitelisted, false otherwise.
*/
- private boolean incrementMapAndCheckQuota(Map<String, Integer> quotaMap,
String user, DagNode<JobExecutionPlan> dagNode) {
+ synchronized private boolean incrementMapAndCheckQuota(Map<String,
Integer> quotaMap, String user, DagNode<JobExecutionPlan> dagNode) {
String key = DagManagerUtils.getUserQuotaKey(user, dagNode);
Review comment:
do you think a comment would help... or not necessary?
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