zhangmeng916 commented on a change in pull request #1409:
URL: https://github.com/apache/helix/pull/1409#discussion_r497073844
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File path:
helix-lock/src/main/java/org/apache/helix/lock/helix/ZKDistributedNonblockingLock.java
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@@ -24,17 +24,21 @@
import org.apache.helix.AccessOption;
import org.apache.helix.BaseDataAccessor;
import org.apache.helix.HelixException;
+import org.apache.helix.SystemPropertyKeys;
import org.apache.helix.lock.DistributedLock;
import org.apache.helix.lock.LockInfo;
import org.apache.helix.lock.LockScope;
+import org.apache.helix.manager.zk.GenericZkHelixApiBuilder;
import org.apache.helix.manager.zk.ZkBaseDataAccessor;
import org.apache.helix.zookeeper.datamodel.ZNRecord;
import org.apache.helix.zookeeper.zkclient.DataUpdater;
import org.apache.log4j.Logger;
/**
- * Helix nonblocking lock implementation based on Zookeeper
+ * Helix nonblocking lock implementation based on Zookeeper.
+ * NOTE: do NOT use ephemeral nodes in this implementation because ephemeral
mode is not supported
Review comment:
I'm not sure the purpose of this comment. Is this targeting whoever
changes this class? what about non zooscalablity use case?
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