keith-turner commented on code in PR #5530:
URL: https://github.com/apache/accumulo/pull/5530#discussion_r2076270414
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server/manager/src/main/java/org/apache/accumulo/manager/Manager.java:
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@@ -1918,10 +1918,20 @@ public boolean isUpgrading() {
}
void initializeBalancer() {
- var localTabletBalancer =
Property.createInstanceFromPropertyName(getConfiguration(),
- Property.MANAGER_TABLET_BALANCER, TabletBalancer.class, new
TableLoadBalancer());
- localTabletBalancer.init(balancerEnvironment);
- tabletBalancer = localTabletBalancer;
+ try {
+ getContext().getPropStore().getCache().removeAll();
+ getConfiguration().invalidateCache();
+ log.debug("Attempting to reinitialize balancer using class {}",
getConfiguration().get(Property.MANAGER_TABLET_BALANCER));
+ var localTabletBalancer =
Property.createInstanceFromPropertyName(getConfiguration(),
+ Property.MANAGER_TABLET_BALANCER, TabletBalancer.class, new
DoNothingBalancer());
+ localTabletBalancer.init(balancerEnvironment);
Review Comment:
When running the new IT found that if init() threw an exception that it
would not fall back to the DoNothingBalancer, so refactored this code to get
the fallback working.
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