jkosh44 commented on a change in pull request #1087: Add Oracle count
functionality
URL: https://github.com/apache/fluo/pull/1087#discussion_r386034681
##########
File path:
modules/core/src/main/java/org/apache/fluo/core/client/FluoAdminImpl.java
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@@ -516,6 +516,22 @@ public boolean oracleExists() {
return oracleExists(getAppCurator());
}
+ public static int numOracles(CuratorFramework curator) {
+ int numOracles = 0;
+ if (oracleExists(curator)) {
+ try {
+ numOracles +=
curator.getChildren().forPath(ZookeeperPath.ORACLE_SERVER).size();
Review comment:
I'm a little concerned that the LeaderLatch may create some Ephemeral ZNodes
during leader election that would cause this to be temporarily inaccurate.
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